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• ASP.NET Routing not working on IIS 7.0

  - by Rick Strahl

  I ran into a nasty little problem today when deploying an application using ASP.NET 4.0 Routing to my live server. The application and its Routing were working just fine on my dev machine (Windows 7 and IIS 7.5), but when I deployed (Windows 2008 R1 and IIS 7.0) Routing would just not work. Every time I hit a routed url IIS would just throw up a 404 error: This is an IIS error, not an ASP.NET error so this doesn’t actually come from ASP.NET’s routing engine but from IIS’s handling of expressionless URLs. Note that it’s clearly falling through all the way to the StaticFile handler which is the last handler to fire in the typical IIS handler list. In other words IIS is trying to parse the extension less URL and not firing it into ASP.NET but failing. As I mentioned on my local machine this all worked fine and to make sure local and live setups match I re-copied my Web.config, double checked handler mappings in IIS and re-copied the actual application assemblies to the server. It all looked exactly matched. However no workey on the server with IIS 7.0!!! Finally, totally by chance, I remembered the runAllManagedModulesForAllRequests attribute flag on the modules key in web.config and set it to true: <system.webServer> <modules runAllManagedModulesForAllRequests="true"> <add name="ScriptCompressionModule" type="Westwind.Web.ScriptCompressionModule,Westwind.Web" /> </modules> </system.webServer> And lo and behold, Routing started working on the live server and IIS 7.0! This seems really obvious now of course, but the really tricky thing about this is that on IIS 7.5 this key is not necessary. So on my Windows 7 machine ASP.NET Routing was working just fine without the key set. However on IIS 7.0 on my live server the same missing setting was not working. On IIS 7.0 this key must be present or Routing will not work. Oddly on IIS 7.5 it appears that you can’t even turn off the behavior – setting runtAllManagedModuleForAllRequests="false" had no effect at all and Routing continued to work just fine even with the flag set to false, which is NOT what I would have expected. Kind of disappointing too that Windows Server 2008 (R1) can’t be upgraded to IIS 7.5. It sure seems like that should have been possible since the OS server core changes in R2 are pretty minor. For the future I really hope Microsoft will allow updating IIS versions without tying them explicitly to the OS. It looks like that with the release of IIS Express Microsoft has taken some steps to untie some of those tight OS links from IIS. Let’s hope that’s the case for the future – it sure is nice to run the same IIS version on dev and live boxes, but upgrading live servers is too big a deal to do just because an updated OS release came out. Moral of the story – never assume that your dev setup will work as is on the live setup. It took me forever to figure this out because I assumed that because my web.config on the local machine was fine and working and I copied all relevant web.config data to the server it can’t be the configuration settings. I was looking everywhere but in the .config file forever before getting desperate and remembering the flag when I accidentally checked the intellisense settings in the modules key. Never assume anything. The other moral is: Try to keep your dev machine and server OS’s in sync whenever possible. Maybe it’s time to upgrade to Windows Server 2008 R2 after all. More info on Extensionless URLs in IIS Want to find out more exactly on how extensionless Urls work on IIS 7? The check out  How ASP.NET MVC Routing Works and its Impact on the Performance of Static Requests which goes into great detail on the complexities of the process. Thanks to Jeff Graves for pointing me at this article – a great linked reference for this topic!© Rick Strahl, West Wind Technologies, 2005-2011Posted in IIS7  Windows  

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• Converting a PV vm back into an HVM vm

  - by wim.coekaerts

  I have been doing some Oracle VM benchmark stuff in the last week or 2 in my off hours and yesterday I wanted to convert one of my VMs that was based on a paravirt kernel into a vm that just boots as a regular hardware virt VM with a standard x86-64 kernel. It took me a little while to figure out the fastest way so now that I have it pretty much down I wanted to share the steps. A PV kernel uses pygrub and a paravirt kernel image that lives on the vm image virtual disk. since this disk image does not have to be bootable it doesn't contain a boot sector and if you just restart the VM in hvm mode the virtual bios will just not do much as it can't start the boot process from disk The first thing I do is make a backup of my vm.cfg file :-) and then edit it as follows : the original file contains : bootloader = '/usr/bin/pygrub' I replace that with : acpi = 1 apic = 1 builder = 'hvm' device_model = '/usr/lib/xen/bin/qemu-dm' kernel = '/usr/lib/xen/boot/hvmloader' then changing the disk files. I change my xvd disks to hd disks and I copy over the iso image of my instal lDVD. In the case of my VM template it was based on OL5U4 So I downloaded Enterprise-R5-U4-Server-x86_64-dvd.iso and added it as a cd device. disk = ['file:/ovs/OVM_EL5U4_X86_64_11202RAC_PVM/System.img,xvda,w', 'file:/ovs/OVM_EL5U4_X86_64_11202RAC_PVM/Oracle11202RAC_x86_64-xvdb.img,xvdb,w', ] to disk = ['file:/ovs/OVM_EL5U4_X86_64_11202RAC_PVM/System.img,hda,w', 'file:/ovs/OVM_EL5U4_X86_64_11202RAC_PVM/Oracle11202RAC_x86_64-xvdb.img,hdb,w', 'file:/ovs/OVM_EL5U4_X86_64_11202RAC_PVM/Enterprise-R5-U4-Server-x86_64-dvd.iso, hdc:cdrom,r', ] boot='d' for the network devices (vifs) I change : vif = ['bridge=xenbr2,type=netfront'] to vif = ['bridge=xenbr2,type=ioemu'] That should do it. Next, inside the VM, I copy over the regular kernel rpm that I want to end up running in hvm mode. In this example case it was : kernel-2.6.18-164.0.0.0.1.el5.x8664.rpm. I will use that later on in the process. I put this kernel simply in /root At this point I just start the vm with xm create vm.cfg and start my vnc console to the vm console. Oracle Linux will boot from the iso image, I just go through the install steps and click on UPgrade existing (not re-install). Because the VM is the same as the ISO the install won't actually do anything and it will run through instantly. When the "Reboot" button pops up, don't reboot. Switch to the command prompt console. hi alt-f2 to go to the shell prompt. Now it's easy : umount /mnt/sysimage/boot cd /mnt/sysimage chroot . mount /dev/hda1 (if that was your /boot partition) export PATH=/sbin:$PATH (just to clean that up) edit /etc/modprobe.conf and comment out the xen modules (just put a # in front) Install grub. if your /boot is hda1 then that is (hd0,0) $ grub root (hd0,0) setup (hd0) exit grub now you have a good bootsector, grub installed and you have your grub.conf file Install the new kernel cd root (this is your old /root in your pv image) rpm -ivh remove (or comment out) boot='d' in your vm.cfg restart the VM and you should be good to go, regular grub should start and load your environment. Caveats : this assumes you used labels for your filesystems. if /etc/fstab were to have devices listed then you would have to rename these device before rebooting as well. If you had a /dev/xvda disk then this would be /dev/hda or /dev/sda. All in all it is a relatively short and simple process.

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• Converting a PV vm back into an HVM vm

  - by wim.coekaerts

  I have been doing some Oracle VM benchmark stuff in the last week or 2 in my off hours and yesterday I wanted to convert one of my VMs that was based on a paravirt kernel into a vm that just boots as a regular hardware virt VM with a standard x86-64 kernel. It took me a little while to figure out the fastest way so now that I have it pretty much down I wanted to share the steps. A PV kernel uses pygrub and a paravirt kernel image that lives on the vm image virtual disk. since this disk image does not have to be bootable it doesn't contain a boot sector and if you just restart the VM in hvm mode the virtual bios will just not do much as it can't start the boot process from disk The first thing I do is make a backup of my vm.cfg file :-) and then edit it as follows : the original file contains : bootloader = '/usr/bin/pygrub' I replace that with : acpi = 1 apic = 1 builder = 'hvm' device_model = '/usr/lib/xen/bin/qemu-dm' kernel = '/usr/lib/xen/boot/hvmloader' then changing the disk files. I change my xvd disks to hd disks and I copy over the iso image of my instal lDVD. In the case of my VM template it was based on OL5U4 So I downloaded Enterprise-R5-U4-Server-x86_64-dvd.iso and added it as a cd device. disk = ['file:/ovs/OVM_EL5U4_X86_64_11202RAC_PVM/System.img,xvda,w', 'file:/ovs/OVM_EL5U4_X86_64_11202RAC_PVM/Oracle11202RAC_x86_64-xvdb.img,xvdb,w', ] to disk = ['file:/ovs/OVM_EL5U4_X86_64_11202RAC_PVM/System.img,hda,w', 'file:/ovs/OVM_EL5U4_X86_64_11202RAC_PVM/Oracle11202RAC_x86_64-xvdb.img,hdb,w', 'file:/ovs/OVM_EL5U4_X86_64_11202RAC_PVM/Enterprise-R5-U4-Server-x86_64-dvd.iso, hdc:cdrom,r', ] boot='d' for the network devices (vifs) I change : vif = ['bridge=xenbr2,type=netfront'] to vif = ['bridge=xenbr2,type=ioemu'] That should do it. Next, inside the VM, I copy over the regular kernel rpm that I want to end up running in hvm mode. In this example case it was : kernel-2.6.18-164.0.0.0.1.el5.x8664.rpm. I will use that later on in the process. I put this kernel simply in /root At this point I just start the vm with xm create vm.cfg and start my vnc console to the vm console. Oracle Linux will boot from the iso image, I just go through the install steps and click on UPgrade existing (not re-install). Because the VM is the same as the ISO the install won't actually do anything and it will run through instantly. When the "Reboot" button pops up, don't reboot. Switch to the command prompt console. hi alt-f2 to go to the shell prompt. Now it's easy : umount /mnt/sysimage/boot cd /mnt/sysimage chroot . mount /dev/hda1 (if that was your /boot partition) export PATH=/sbin:$PATH (just to clean that up) edit /etc/modprobe.conf and comment out the xen modules (just put a # in front) Install grub. if your /boot is hda1 then that is (hd0,0) $ grub root (hd0,0) setup (hd0) exit grub now you have a good bootsector, grub installed and you have your grub.conf file Install the new kernel cd root (this is your old /root in your pv image) rpm -ivh remove (or comment out) boot='d' in your vm.cfg restart the VM and you should be good to go, regular grub should start and load your environment. Caveats : this assumes you used labels for your filesystems. if /etc/fstab were to have devices listed then you would have to rename these device before rebooting as well. If you had a /dev/xvda disk then this would be /dev/hda or /dev/sda. All in all it is a relatively short and simple process.

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• ?Exadata??????DBFS

  - by Liu Maclean(???)

  ?Exadata???DBFS ??????? 1. ??fuse RPM  [root@dm01db01 ~]# yum install fuse Loaded plugins: rhnplugin, security This system is not registered with ULN. ULN support will be disabled. Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package fuse.x86_64 0:2.7.4-8.0.1.el5 set to be updated --> Finished Dependency Resolution Dependencies Resolved ========================================================================================================================================================================  Package                            Arch                                 Version                                         Repository                                Size ======================================================================================================================================================================== Installing:  fuse                               x86_64                               2.7.4-8.0.1.el5                                 el5_latest                                85 k Transaction Summary ======================================================================================================================================================================== Install       1 Package(s) Upgrade       0 Package(s) Total download size: 85 k Is this ok [y/N]: y Downloading Packages: fuse-2.7.4-8.0.1.el5.x86_64.rpm                                                                                                                  |  85 kB     00:00      Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction   Installing     : fuse                                                                                                                                             1/1  Installed:   fuse.x86_64 0:2.7.4-8.0.1.el5                                                                                                                                          [root@dm01db01 ~]# yum install fuse-libs Loaded plugins: rhnplugin, security This system is not registered with ULN. ULN support will be disabled. Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package fuse-libs.i386 0:2.7.4-8.0.1.el5 set to be updated ---> Package fuse-libs.x86_64 0:2.7.4-8.0.1.el5 set to be updated --> Finished Dependency Resolution Dependencies Resolved ========================================================================================================================================================================  Package                                Arch                                Version                                       Repository                               Size ======================================================================================================================================================================== Installing:  fuse-libs                              i386                                2.7.4-8.0.1.el5                               el5_latest                               71 k  fuse-libs                              x86_64                              2.7.4-8.0.1.el5                               el5_latest                               70 k Transaction Summary ======================================================================================================================================================================== Install       2 Package(s) Upgrade       0 Package(s) Total download size: 141 k Is this ok [y/N]: y Downloading Packages: (1/2): fuse-libs-2.7.4-8.0.1.el5.x86_64.rpm                                                                                                      |  70 kB     00:00      (2/2): fuse-libs-2.7.4-8.0.1.el5.i386.rpm                                                                                                        |  71 kB     00:00      ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Total                                                                                                                                    71 kB/s | 141 kB     00:01      Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction   Installing     : fuse-libs                                                                                                                                        1/2    Installing     : fuse-libs                                                                                                                                        2/2  Installed:   fuse-libs.i386 0:2.7.4-8.0.1.el5                                                  fuse-libs.x86_64 0:2.7.4-8.0.1.el5                                                  Complete! [root@dm01db01 ~]# yum install fuse-devel Loaded plugins: rhnplugin, security This system is not registered with ULN. ULN support will be disabled. Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package fuse-devel.i386 0:2.7.4-8.0.1.el5 set to be updated ---> Package fuse-devel.x86_64 0:2.7.4-8.0.1.el5 set to be updated --> Finished Dependency Resolution Dependencies Resolved ========================================================================================================================================================================  Package                                 Arch                                Version                                      Repository                               Size ======================================================================================================================================================================== Installing:  fuse-devel                              i386                                2.7.4-8.0.1.el5                              el5_latest                               28 k  fuse-devel                              x86_64                              2.7.4-8.0.1.el5                              el5_latest                               28 k Transaction Summary ======================================================================================================================================================================== Install       2 Package(s) Upgrade       0 Package(s) Total download size: 57 k Is this ok [y/N]: y Downloading Packages: (1/2): fuse-devel-2.7.4-8.0.1.el5.x86_64.rpm                                                                                                     |  28 kB     00:00      (2/2): fuse-devel-2.7.4-8.0.1.el5.i386.rpm                                                                                                       |  28 kB     00:00      ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Total                                                                                                                                    21 kB/s |  57 kB     00:02      Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction   Installing     : fuse-devel                                                                                                                                       1/2    Installing     : fuse-devel                                                                                                                                       2/2  Installed:   fuse-devel.i386 0:2.7.4-8.0.1.el5                                                 fuse-devel.x86_64 0:2.7.4-8.0.1.el5                                                 Complete! 2. ?? DBFS??? ?????? cd $ORACLE_HOME/rdbms/admin sqlplus / as sysdba Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP, Data Mining and Real Application Testing options SQL> @prvtfspi.plb Package body created. No errors. Package body created. No errors. ?????dbms_dbfs_sfs package  SQL> create tablespace dbfstbs datafile size 20g; Tablespace created. SQL> create user maclean_dbfs identified by oracle; User created. SQL> grant dba to maclean_dbfs; Grant succeeded. @@!!! SQL> grant  dbfs_role to maclean_dbfs; Grant succeeded. 3. ??DBFS SQL> conn maclean_dbfs/oracle Connected. SQL> @?/rdbms/admin/dbfs_create_filesystem.sql  dbfstbs mac_dbfs   No errors. -------- CREATE STORE: begin dbms_dbfs_sfs.createFilesystem(store_name => 'FS_MAC_DBFS', tbl_name => 'T_MAC_DBFS', tbl_tbs => 'dbfstbs', lob_tbs => 'dbfstbs', do_partition => false, partition_key => 1, do_compress => false, compression => '', do_dedup => false, do_encrypt => false); end; -------- REGISTER STORE: begin dbms_dbfs_content.registerStore(store_name=> 'FS_MAC_DBFS', provider_name => 'sample1', provider_package => 'dbms_dbfs_sfs'); end; -------- MOUNT STORE: begin dbms_dbfs_content.mountStore(store_name=>'FS_MAC_DBFS', store_mount=>'mac_dbfs'); end; -------- CHMOD STORE: declare m integer; begin m := dbms_fuse.fs_chmod('/mac_dbfs', 16895); end; No errors. 4.  ??mount point  [root@dm01db01 ~]# mkdir /dbfs [root@dm01db01 ~]# chown oracle:oinstall /dbfs 5. ??library path ?OS  # echo "/usr/local/lib" >> /etc/ld.so.conf.d/usr_local_lib.conf 6. ?????? export ORACLE_HOME=/s01/orabase/product/11.2.0/dbhome_1 [root@dm01db01 ~]# ln -s $ORACLE_HOME/lib/libclntsh.so.11.1 /usr/local/lib/libclntsh.so.11.1 [root@dm01db01 ~]#  ln -s $ORACLE_HOME/lib/libnnz11.so /usr/local/lib/libnnz11.so [root@dm01db01 ~]#  ln -s /lib64/libfuse.so.2 /usr/local/lib/libfuse.so.2 7. ??ldconfig  [root@dm01db01 ~]# ldconfig [root@dm01db01 ~]#  8. ??fusermount??????? [root@dm01db01 ~]#  chmod +x /usr/bin/fusermount [root@dm01db01 ~]#  ls -l /usr/bin/fusermount lrwxrwxrwx 1 root root 15 Sep  7 03:06 /usr/bin/fusermount -> /bin/fusermount [root@dm01db01 ~]#  ls -l /bin/fusermount -rwsr-x--x 1 root fuse 27072 Oct 17  2011 /bin/fusermount 9. ???????OS  dbfs_client maclean_dbfs@dm01db01:1521/orcl  /dbfs 10. ????nohup + &?????mount DBFS,???????????? [oracle@dm01db01 ~]$ echo "oracle"  >> dbfs_pw [oracle@dm01db01 ~]$ nohup dbfs_client maclean_dbfs@dm01db01:1521/orcl /dbfs < dbfs_pw & [oracle@dm01db01 ~]$ df -h Filesystem            Size  Used Avail Use% Mounted on /dev/mapper/VGExaDb-LVDbSys1                        30G   15G   14G  53% / /dev/sda1             502M   30M  447M   7% /boot /dev/mapper/VGExaDb-LVDbOra1                        99G   20G   75G  21% /u01 tmpfs                  81G     0   81G   0% /dev/shm dbfs-maclean_dbfs@orcl:/                        20G  120K   20G   1% /dbfs [oracle@dm01db01 ~]$ mount /dev/mapper/VGExaDb-LVDbSys1 on / type ext3 (rw) proc on /proc type proc (rw) sysfs on /sys type sysfs (rw) devpts on /dev/pts type devpts (rw,gid=5,mode=620) /dev/sda1 on /boot type ext3 (rw,nodev) /dev/mapper/VGExaDb-LVDbOra1 on /u01 type ext3 (rw,nodev) tmpfs on /dev/shm type tmpfs (rw,size=82052m) none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw) dbfs-maclean_dbfs@orcl:/ on /dbfs type fuse (rw,nosuid,nodev,max_read=1048576,default_permissions,user=oracle) [oracle@dm01db01 ~]$ ls -l /dbfs/ total 0 drwxrwxrwx 3 root root 0 Sep 14 05:11 mac_dbfs [oracle@nas ~]$ dbfs_client  --------MOUNT mode: usage: dbfs_client <db_user>@<db_server> [options] <mountpoint>   db_user:              Name of Database user that owns DBFS content repository filesystem(s)   db_server:            A valid connect string for Oracle database server                         (for example, hrdb_host:1521/hrservice)   mountpoint:           Path to mount Database File System(s)                         All the file systems owned by the database user will be seen at the mountpoint. DBFS options:   -o direct_io          Bypass the Linux page cache. Gives much better performance for large files.                         Programs in the file system cannot be executed with this option.                         This option is recommended when DBFS is used as an ETL staging area.   -o wallet             Run dbfs_client in background.                         Wallet must be configured to get credentials.   -o failover           dbfs_client fails over to surviving database instance with no data loss.                         Some performance cost on writes, especially for small files.   -o allow_root         Allows root access to the filesystem.                         This option requires setting 'user_allow_other' parameter in '/etc/fuse.conf'.   -o allow_other        Allows other users access to the file system.                         This option requires setting 'user_allow_other' parameter in '/etc/fuse.conf'.   -o rw                 Mount the filesystem read-write. [Default]   -o ro                 Mount the filesystem read-only. Files cannot be modified.   -o trace_file=STR     Tracing <filename> | 'syslog'   -o trace_level=N      Trace Level: 1->DEBUG, 2->INFO, 3->WARNING, 4->ERROR, 5->CRITICAL [Default: 4]   -h                    help   -V                    version --------COMMAND mode: Usage:     dbfs_client <db_user>@<db_server> --command command [switches] [arguments]             command:          Command to be executed, e.g., ls, cp, mkdir, rm            switches:         Switches are described below for each command.            arguments:        File names or directory names NOTE:      All database pathnames must be absolute and preceded by dbfs:/ Commands   ls            dbfs_client <db_user>@<db_server> --command ls [switches] target      Switches:              -a         Show all files including those starting with '.'            -l         Use a long listing format. In addition to the name of each file                       print the file type, permissions, size, user and group information            -R         List subdirectories recursively cp                     dbfs_client <db_user>@<db_server> --command cp [switches] source destination      Switches:              -r, -R      Copy a directory and its contents recursively into the destination directory rm                     dbfs_client <db_user>@<db_server> --command rm [switches] target      Switches:              -r, -R      Removes a directory and its contents recursively mkdir                  dbfs_client <db_user>@<db_server> --command mkdir directory_name Examples                     dbfs_client ETLUser@DBConnectString --command ls -l -a dbfs:/staging_area/directory1            dbfs_client ETLUser@DBConnectString --command cp -R  /tmp/1-Jan-2009-dump dbfs:/staging_area            dbfs_client ETLUser@DBConnectString --command rm dbfs:/staging_area/hello.txt            dbfs_client ETLUser@DBConnectString --command mkdir dbfs:/staging_area/directory2 [oracle@dm01db01 ~]$ ls -lh /tmp/largefile -rw-r--r-- 1 oracle oinstall 2.0G Sep 14 08:50 /tmp/largefile [oracle@dm01db01 ~]$ time dbfs_client  maclean_dbfs@dm01db01:1521/orcl --command cp /tmp/largefile dbfs:/mac_dbfs Password: /tmp/largefile -> dbfs:/mac_dbfs/largefile real    0m11.802s user    0m0.580s sys     0m2.375s ?Exadata?????2G?????? DBFS???11s => 200MB/s 

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• Development Environment in a VM against an isolated development/test network

  - by bart

  I currently work in an organization that forces all software development to be done inside a VM. This is for a variety of risk/governance/security/compliance reasons. The standard setup is something like: VMWare image given to devs with tools installed VM is customized to suit project/stream needs VM sits in a network & domain that is isolated from the live/production network SCM connectivity is only possible through dev/test network Email and office tools need to be on live network so this means having two separate desktops going at once Heavyweight dev tools in use on VMs so they are very resource hungry Some problems that people complain about are: Development environment runs slower than normal (host OS is windows XP so memory is limited) Switching between DEV machine and Email/Office machine is a pain, simple things like cut and paste are made harder. This is less efficient from a usability perspective. Mouse in particular doesn't seem to work properly using VMWare player or RDP. Need a separate login to Dev/Test network/domain Has anyone seen or worked in other (hopefully better) setups to this that have similar constraints (as mentioned at the top)? In particular are there viable options that would remove the need for running stuff in a VM altogether?

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• Problem calling Request using RequestBuilder

  - by Tushar Ahirrao

  Hi My Code is String url = "http: gd.geobytes.com/gd?after=-1&variables=GeobytesCountry,GeobytesCity"; RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, URL .encode(url)); try { Request request = builder.sendRequest(null, new RequestCallback() { public void onError(Request request, Throwable exception) { Couldn't connect to server (could be timeout, SOP violation, etc.) } public void onResponseReceived(Request request, Response response) { System.out.println(response.getText() + "Response"); if (200 == response.getStatusCode()) { Window.alert(response.getText()); } else { Window.alert(response.getText()); } } }); } catch (RequestException e) { e.printStackTrace(); } i receive following error com.google.gwt.http.client.RequestPermissionException: The URL http://gd.geobytes.com/gd?after=-1&variables=GeobytesCountry,GeobytesCity is invalid or violates the same-origin security restriction at com.google.gwt.http.client.RequestBuilder.doSend(RequestBuilder.java:378) at com.google.gwt.http.client.RequestBuilder.sendRequest(RequestBuilder.java:254) at com.ip.client.IpAddressTest.onModuleLoad(IpAddressTest.java:46) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:369) at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:185) at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:380) at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:222) at java.lang.Thread.run(Thread.java:619) Caused by: com.google.gwt.http.client.RequestException: (NS_ERROR_DOM_BAD_URI): Access to restricted URI denied

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• Substitute values (for specific dates) from a second data frame to the first data frame

  - by user1665355

  I have two time series data frames: The first one: head(df1) : GMT MSCI ACWI DJGlbl Russell 1000 Russell Dev S&P GSCI Industrial S&P GSCI Precious 1999-03-01 -0.7000000 0.2000000 -0.1000000 -1.5000000 -1.0000000 -0.4000000 1999-03-02 -0.5035247 0.0998004 -0.7007007 -0.2030457 0.4040404 -0.3012048 1999-03-03 -0.2024291 0.2991027 0.0000000 -0.6103764 0.1006036 -0.1007049 1999-03-04 0.7099391 0.2982107 1.5120968 -0.1023541 0.5025126 0.4032258 1999-03-05 2.4169184 0.8919722 2.1847071 2.7663934 -1.2000000 0.0000000 1999-03-08 0.3933137 0.3929273 0.5830904 -0.0997009 -0.2024291 1.1044177 tail(df1) : GMT MSCI ACWI DJGlbl Russell 1000 Russell Dev S&P GSCI Industrial S&P GSCI Precious 2011-12-23 0.68241470 0.84790673 0.9441385 0.6116208 0.5822862 -0.2345300 2011-12-26 -0.05213764 0.00000000 0.0000000 0.0000000 0.0000000 0.0000000 2011-12-27 0.20865936 0.05254861 0.3117693 0.2431611 0.0000000 -0.7233273 2011-12-28 -0.62467465 -1.20798319 -1.1655012 -0.9702850 -2.0414381 -2.4043716 2011-12-29 0.52383447 0.47846890 0.8647799 0.5511329 -0.0933126 -1.2504666 2011-12-30 0.26055237 1.03174603 -0.4676539 1.2180268 1.9613948 1.7388017 The second one: head(df2) : GMT MSCI.ACWI DJGlbl Russell.1000 Russell.Dev S.P.GSCI.Industrial S.P.GSCI.Precious 1999-06-01 0.00000000 0.24438520 0.0000000 0 -0.88465521 0.008522842 1999-07-01 0.12630441 0.06755621 0.0000000 0 0.29394697 0.000000000 1999-08-02 0.07441812 0.18922829 0.0000000 0 0.02697299 -0.107155063 1999-09-01 -0.36952701 0.08684107 0.1117509 0 0.24520976 0.000000000 1999-10-01 0.00000000 0.00000000 0.0000000 0 0.00000000 1.941266205 1999-11-01 0.41879925 0.00000000 0.0000000 0 0.00000000 -0.197897901 tail(df2) : GMT MSCI.ACWI DJGlbl Russell.1000 Russell.Dev S.P.GSCI.Industrial S.P.GSCI.Precious 2011-07-01 0.00000000 0.0000000 0.0000000 0.0000000 0.00000000 -0.1141162 2011-08-01 0.00000000 0.0000000 0.0000000 0.0000000 0.02627347 0.0000000 2011-09-01 -0.02470873 0.2977585 -0.0911891 0.6367605 0.00000000 0.2830977 2011-10-03 0.42495188 0.0000000 0.4200743 -0.4420027 -0.41012646 0.0000000 2011-11-01 0.00000000 0.0000000 0.0000000 -0.6597739 0.00000000 0.0000000 2011-12-01 0.50273034 0.0000000 0.0000000 0.6476393 0.00000000 0.0000000 The first df cointains daily observations. The second df contains only the "first day of each month" forecasted values. I would like to substitute the values from the second df into the first one. In other words, the "first day of each month" values in the first df will be substituted for the "first day of each month" values from the second df. I tried to write an lapply loop that substitutes the values and was only trying to use match function. But I failed. I could not find the similar question at StackOverflow either... Greatful for any suggestions!

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• How to Select Items in Dropdown in Selenium

  - by Marcus Gladir

  Firstly, I have been trying to get the dropdown from this web page: http://solutions.3m.com/wps/portal/3M/en_US/Interconnect/Home/Products/ProductCatalog/Catalog/?PC_Z7_RJH9U5230O73D0ISNF9B3C3SI1000000_nid=RFCNF5FK7WitWK7G49LP38glNZJXPCDXLDbl This is the code I have: import urllib2 from bs4 import BeautifulSoup import re from pprint import pprint import sys from selenium import common from selenium import webdriver import selenium.webdriver.support.ui as ui from boto.s3.key import Key import requests url = 'http://solutions.3m.com/wps/portal/3M/en_US/Interconnect/Home/Products/ProductCatalog/Catalog/?PC_Z7_RJH9U5230O73D0ISNF9B3C3SI1000000_nid=RFCNF5FK7WitWK7G49LP38glNZJXPCDXLDbl' element_xpath = '//*[@id="Component1"]' driver = webdriver.PhantomJS() driver.get(url) element = driver.find_element_by_xpath(element_xpath) element_xpath = '/option[@value="02"]' all_options = element.find_elements_by_tag_name("option") for option in all_options: print("Value is: %s" % option.get_attribute("value")) option.click() source = driver.page_source.encode('utf-8', 'ignore') driver.quit() source = str(source) soup = BeautifulSoup(source, 'html.parser') print soup What prints out is this: Traceback (most recent call last): File "../../../../test.py", line 58, in <module> Value is: XX main() File "../../../../test.py", line 46, in main option.click() File "/home/eric/dev/octocrawler-env/local/lib/python2.7/site-packages/selenium-2.33.0-py2.7.egg/selenium/webdriver/remote/webelement.py", line 54, in click self._execute(Command.CLICK_ELEMENT) File "/home/eric/dev/octocrawler-env/local/lib/python2.7/site-packages/selenium-2.33.0-py2.7.egg/selenium/webdriver/remote/webelement.py", line 228, in _execute return self._parent.execute(command, params) File "/home/eric/dev/octocrawler-env/local/lib/python2.7/site-packages/selenium-2.33.0-py2.7.egg/selenium/webdriver/remote/webdriver.py", line 165, in execute self.error_handler.check_response(response) File "/home/eric/dev/octocrawler-env/local/lib/python2.7/site-packages/selenium-2.33.0-py2.7.egg/selenium/webdriver/remote/errorhandler.py", line 158, in check_response raise exception_class(message, screen, stacktrace) selenium.common.exceptions.ElementNotVisibleException: Message: u'{"errorMessage":"Element is not currently visible and may not be manipulated","request":{"headers":{"Accept":"application/json","Accept-Encoding":"identity","Connection":"close","Content-Length":"81","Content-Type":"application/json;charset=UTF-8","Host":"127.0.0.1:51413","User-Agent":"Python-urllib/2.7"},"httpVersion":"1.1","method":"POST","post":"{\\"sessionId\\": \\"30e4fd50-f0e4-11e3-8685-6983e831d856\\", \\"id\\": \\":wdc:1402434863875\\"}","url":"/click","urlParsed":{"anchor":"","query":"","file":"click","directory":"/","path":"/click","relative":"/click","port":"","host":"","password":"","user":"","userInfo":"","authority":"","protocol":"","source":"/click","queryKey":{},"chunks":["click"]},"urlOriginal":"/session/30e4fd50-f0e4-11e3-8685-6983e831d856/element/%3Awdc%3A1402434863875/click"}}' ; Screenshot: available via screen And the weirdest most infuriating bit of it all is that sometimes it actually all works out. I have no clue what's going on here.

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• Service reference addition issue in visual studio 2010

  - by user293072

  I am currently working on an application that allows reverse geocoding using silverlight + bing maps. The thing is that I want to add a reference to the reverse geocoding service provided in msdn ( http://msdn.microsoft.com/en-us/library/cc879136.aspx) i.e. http:// dev.virtualearth.net/webservices/v1/geocodeservice/geocodeservice.svc?wsdl, but when I try to get a reference in vs2010, I get the following error: The document at the url http:// dev.virtualearth.net/webservices/v1/metadata/geocodeservice/geocodeservice.wsdl was not recognized as a known document type. The error message from each known type may help you fix the problem: Report from 'XML Schema' is ''', hexadecimal value 0x1F, is an invalid character. Line 1, position 1.'. Report from 'DISCO Document' is ''', hexadecimal value 0x1F, is an invalid character. Line 1, position 1.'. Report from 'WSDL Document' is 'There is an error in XML document (1, 1).'. '', hexadecimal value 0x1F, is an invalid character. Line 1, position 1. Metadata contains a reference that cannot be resolved: 'http://dev.virtualearth.net/webservices/v1/geocodeservice/geocodeservice.svc?wsdl'. Content Type application/soap+xml; charset=utf-8 was not supported by service http: //dev.virtualearth.net/webservices/v1/geocodeservice/geocodeservice.svc?wsdl. The client and service bindings may be mismatched. The remote server returned an error: (415) Unsupported Media Type. If the service is defined in the current solution, try building the solution and adding the service reference again. It is good to mention that I can access the service URL from the browser (with a no style information warning). I am aware that there are other reverse geolocoding services out there, but I am somewhat forced by certain circumstances to use only Microsoft-related components/services. Please help :)

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• SMO ManagedComputer.ServiceInstances is empty

  - by Mark J Miller

  I am trying to use SMO (VS 2010, SQL Server 2008) to connect to SQL Server and view the server protocol configuration. I can connect and list the Services and ClientProtocols as well as the account MSSQLSERVER service is running under. However, the ServerInstances collection is empty. The only instance on the target server is the default (MSSQLSERVER), shouldn't that be in the collection? How can I get an instance of it so I can inspect the ServerProtocols collection? Here's the code I'm using: class Program { static void Main(string[] args) { //machine hosting installed sql server instance ManagedComputer host = new ManagedComputer("dev-it-db01.dev.interbankfx.lcl"); //ManagedComputer host = new ManagedComputer("MRW-IT-DTP69"); if (host.ServerInstances.Count != 0) { //why is this 0? Is it because only the DEFAULT instance exists? Console.WriteLine("/////////////// INSTANCES ////////////////"); foreach (ServerInstance inst in host.ServerInstances) { Console.WriteLine(inst.Name); } } Console.WriteLine("/////////////// SERVICES ////////////////"); // enumerate sql services (looking for MSSSQLSERVER) foreach (Service svc in host.Services) { Console.WriteLine(svc.Name); } Console.WriteLine("/////////////// DETAILS ////////////////"); // get name of MSSQLSERVER instance from user (pick from list above) Service mssqlserver = host.Services["MSSQLSERVER"]; // print service account: .\{account} == "local account", "LocalSystem", "NetworkService", {domain}\{account} == "domain account" Console.WriteLine("Service Account: {0}", mssqlserver.ServiceAccount); // get client protocols foreach (ClientProtocol cp in host.ClientProtocols) { Console.WriteLine("{0} {1} ({2})", cp.Order, cp.DisplayName, cp.IsEnabled ? "Enabled" : "Disabled"); } } } I've also tried: Urn u = new Urn("ManagedComputer[@Name=dev-it-db01.dev.interbankfx.lcl]/ServerInstance[@Name='MSSQLSERVER']/ServerProtocol[@Name='Tcp']"); ServerProtocol tcp = host.GetSmoObject(u) as ServerProtocol; if (tcp != null) { Console.WriteLine("{0}", tcp.DisplayName); } But I get an error message stating: "child expressions are not supported." Any ideas what's wrong?

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• android logging sdcard

  - by Abhi Rao

  Hello, With Android-Emulator I am not able to write/create a file on the SD Card (for logging). Here is what I have done so far - Run mksdcard 8192K C:\android-dev\emu_sdcard\emu_logFile - Create a new AVD, when assign emu_logFile to it so that when I view the AVD Details it says C:\android-dev\emu_sdcard\emu_logFile against the field "SD Card" - Here is the relevant code public class ZLogger { static PrintWriter zLogWriter = null; private static void Initialize() { try { File sdDir = Environment.getExternalStorageDirectory(); if (sdDir.canWrite()) { : File logFile = new File (sdDir, VERSION.RELEASE + "_" + ".log"); FileWriter logFileWriter = new FileWriter(logFile); zLogWriter = new PrintWriter(logFileWriter); zLogWriter.write("\n\n - " + date + " - \n"); } } catch (IOException e) { Log.e("ZLogger", "Count not write to file: " + e.getMessage()); } } sdDir.canWrite returns false - please note it not the exception from adb shell when I do ls I see sdcard as link to /mnt/sdcard. When I do ls -l /mnt here is what I see ls -l /mnt ls -l /mnt drwxr-xr-x root system 2010-12-24 03:41 asec drwx------ root root 2010-12-24 03:41 secure d--------- system system 2010-12-24 03:41 sdcard whereas if I go to the directory where I created emu_sdcard - I see a lock has been issued, as shown here C:dir android-dev\emu_sdcard Volume in drive C is Preload Volume Serial Number is A4F3-6C29 Directory of C:\android-dev\emu_sdcard 12/24/2010 03:41 AM . 12/24/2010 03:41 AM .. 12/24/2010 03:17 AM 8,388,608 emu_logFile 12/24/2010 03:41 AM emu_logFile.lock 1 File(s) 8,388,608 bytes 3 Dir(s) 50,347,704,320 bytes free I have looked at these and other SO questions Android Emulator sdcard push error: Read-only file system (2) Not able to view SDCard folder in the FileExplorer of Android Eclipse I have added the following to AndroidManifest.xml **uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" ** Please let me know your thoughts - what am I missing here? Why does canWrite return false? What should I do to add permissions to sdcard?

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• Linux: How to find all serial devices (ttyS, ttyUSB and others)?

  - by Thomas Tempelmann

  What is the proper way to get a list of all available serial ports/devices on a Linux system? In other words, when I iterate over all devices in /dev/, how do I tell which ones are serial ports in the classic way, i.e. those usually supporting baud rates and RTS/CTS flow control? The solution would be coded in C. I ask because I am using a 3rd party library that does this clearly wrong: It appears to only iterate over /dev/ttyS*. The problem is that there are, for instance, serial ports over USB (provided by USB-RS232 adapters), and those are listed under /dev/ttyUSB*. And reading the Serial-HOWTO at Linux.org, I get the idea that there'll be other name spaces as well, as time comes. So I need to find the official way to detect serial devices. Problem is that there appears none documented, or I can't find it. I imagine one way would be to open all files from /dev/tty* and call a specific ioctl() on them that is only available on serial devices. Would that be a good solution, though?

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• With Apache/mod_wsgi how can I redirect to ssl and require Auth?

  - by justin

  I have a Media Temple DV server hosting dev.example.com with django mounted at /. There is a legacy directory in my httpdocs I need to continue to serve at /legacy. But for this directory I need to redirect anyone coming over http over to https, then prompt for http basic auth. In the virtual host conf, I'm pointing the root to a django application: WSGIScriptAlias / /var/django-projects/myproject/apache/django.wsgi <Directory /var/django-projects/myproject/apache> Order allow,deny Allow from all </Directory> Then I alias the legacy directory. Alias /legacy/ /var/www/vhosts/example.com/subdomains/dev/httpdocs/legacy/ <Directory /var/www/vhosts/example.com/subdomains/dev/httpdocs> Order deny,allow Allow from all RewriteEngine On RewriteCond %{SERVER_PORT} 80 RewriteRule ^(.*)$ https://dev.example.com/$1 [R,L] </Directory> This works. It isn't served by django, and the url redirects to https. However, it serves httpdocs/legacy instead of httpsdocs/legacy (where I have an .htaccess that prompts for auth.) Any idea of how I can manage this?

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• Internet Explorer cannot 'fully' load ActiveX Control

  - by K Browne

  Context I am migrating an installer for an ActiveX control from Per-Machine to Per-User. I did this by programming the installer write to HKCU\Software\Classes instead of HKLM\Software\Classes. Problem On my machine (Windows 7 with UAC Enabled), the ActiveX control successfully loads. On the other windows 7 test machines (one with UAC enabled, one with UAC disabled), the control 'partially' loads. What is Partially? When a user visits a page with the ActiveX control, Internet Explorer displays a warning message in a yellow bar on the top of the window. If you click the 'Run add-on' button in the bar, the control becomes visible and begins to run, but Javascript code that tries to access properties of the control return the error: Library not registered. Differences between machines On the dev machine reads from HKCR\CLSID\<GUID> succeed while on the test machines these reads fail. Reads from HKCU succeed on both dev and test machines. Reads from HKLM fail on both test and dev machines. (I collected reads using Sysinternals Process Monitor) Strangely, the keys that Internet Explorer fails to read are clearly visible if I use regedit to view HKCR\CLSID\<GUID> on the test machines. Question What can I do to get the per-user control to load on the test machines? What could cause this difference between the dev machine and the test machines? Why can I see the key in HKCR with RegEdit but Internet Explorer cannot see the key? Any help is appreciated. Thank you.

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• Python import error: Symbol not found, but the symbol <s>is</s> *is not* present in the file

  - by Autopulated

  I get this error when I try to import ssrc.spread: ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/ssrc/_spread.so, 2): Symbol not found: __ZN17ssrcspread_v1_0_67Mailbox11ZeroTimeoutE The file in question (_spread.so) includes the symbol: $ nm _spread.so | grep _ZN17ssrcspread_v1_0_67Mailbox11ZeroTimeoutE U __ZN17ssrcspread_v1_0_67Mailbox11ZeroTimeoutE U __ZN17ssrcspread_v1_0_67Mailbox11ZeroTimeoutE (twice because the file is a fat ppc/x86 binary) EDIT: okay, as James points out, the U means that the symbol is undefined but required by the object file. With some more digging I've noticed (where I should have looked first...) these linker errors during compilation: CC=g++ CXX=g++ g++-4.0 -arch ppc -arch i386 -isysroot /Developer/SDKs/MacOSX10.4u.sdk -fno-strict-aliasing -fno-common -dynamic -DNDEBUG -O3 -I../.. -I../.. -I/usr/local/include -I/Library/Frameworks/Python.framework/Versions/2.6/include/python2.6 -O2 -I/usr/local/include -std=c++98 -pipe -fno-gnu-keywords -fvisibility-inlines-hidden -o SsrcSpread.o -c SsrcSpread.cc CC=g++ CXX=g++ /bin/sh ../../libtool --tag=CXX --mode=link g++-4.0 -arch ppc -arch i386 -isysroot /Developer/SDKs/MacOSX10.4u.sdk -bundle -undefined dynamic_lookup -F/Library/Frameworks -framework Python \ -pthread -D_REENTRANT -pedantic -Wall -Wno-long-long -Winline -Woverloaded-virtual -Wold-style-cast -Wsign-promo -L../../ssrc -lssrcspread -L/usr/local/lib -ltspread-core -o _spread.so SsrcSpread.o mkdir .libs g++-4.0 -arch ppc -arch i386 -isysroot /Developer/SDKs/MacOSX10.4u.sdk -bundle -undefined dynamic_lookup -F/Library/Frameworks -framework Python -pthread -D_REENTRANT -pedantic -Wall -Wno-long-long -Winline -Woverloaded-virtual -Wold-style-cast -Wsign-promo -o _spread.so SsrcSpread.o -Wl,-bind_at_load -L/Dev/libssrcspread-1.0.6/ssrc /Dev/libssrcspread-1.0.6/ssrc/.libs/libssrcspread.a -L/usr/local/lib -ltspread-core ld: warning: in ~/Dev/libssrcspread-1.0.6/ssrc/.libs/libssrcspread.a, file was built for unsupported file format which is not the architecture being linked (ppc) ld: warning: in /Developer/SDKs/MacOSX10.4u.sdk/usr/local/lib/libtspread-core.dylib, file was built for unsupported file format which is not the architecture being linked (ppc) ld: warning: in /Dev/libssrcspread-1.0.6/ssrc/.libs/libssrcspread.a, file was built for unsupported file format which is not the architecture being linked (i386) ld: warning: in /Developer/SDKs/MacOSX10.4u.sdk/usr/local/lib/libtspread-core.dylib, file was built for unsupported file format which is not the architecture being linked (i386) I'm also not entirely sure that the 10.4 sdk is the right one for compiling python modules (but switching to 10.6 didn't seem to help).

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• TortoiseSVN lists files as modified, but they are identical

  - by BJ Safdie

  I am merging a hot fix from our QA branch back into our Dev branch. Five files have changed. I do a fresh checkout of the Dev branch. I then do a merge (range of revisions) from QA into the Dev working copy. It brings in five files and there is a conflict on an external and ignore property -- which I resolve by "using local" (dev). When I check modifications or commit, I expect to see the five files I merged as the only changes. However, I get close to 700 "modified" files showing up in the commit dialog. If I select one of these file and "Compare with base," WinMerge comes up and says the "files are identical." I have tried this with the file dates set to "last committed" and not. Why are all of these files showing up as modified, when they are identical? What in the merge is causing this? How do I prevent SVN/TortoiseSVN from getting confused this way in the future?

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• How do I configure multiple Ubuntu Python installations to avoid App Engine's SSL error?

  - by Linc

  I have Karmic Koala which has Python 2.6 installed by default. However I can't run any Python App Engine projects because they require Python 2.5 and python ssl. To install ssl I installed python2.5-dev first while following some instructions I found elsewhere. sudo apt-get install libssl-dev sudo apt-get install python-setuptools sudo apt-get install python2.5-dev sudo easy_install-2.5 pyopenssl However, I am afraid this is not good for my Ubuntu installation since Ubuntu expects to see version 2.6 of Python when you type 'python' on the command line. Instead, it says '2.5.5'. I tried to revert to the original default version of Python by doing this: sudo apt-get remove python2.5-dev But that didn't seem to do anything either - when I type 'python' on the command line it still say 2.5.5. And App Engine still doesn't work after all this. I continue to get an SSL-related error whenever I try to run my Python app: AttributeError: 'module' object has no attribute 'HTTPSHandler' UPDATE: Just checked whether SSL actually installed as a result of those commands by typing this: $ python2.5 Python 2.5.5 (r255:77872, Apr 29 2010, 23:59:20) [GCC 4.4.1] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import ssl Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: No module named ssl >>> As you can see, SSL is still not installed, which explains the continuing App Engine error. If anyone knows how I can dig myself out of this hole, I would appreciate it.

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• JVM to ignore certificate name mismatch

  - by Heavy Bytes

  I know there were a lot of questions/answers about how to ignore SSL error in the code. On our dev region dev.domain.tld we have configured a app server over SSL. The certificate that is displayed is for somedev.domain.tld. There is no way to change the certificate, it will always be a domain mismatch. So when I deploy a web-service to https://dev.domain.tld and try to connect/call my webservice I get an exception: Caused by: java.security.cert.CertificateException: No name matching dev.domain.tld found And I have the somedev.domain.tld CERT in my trust store. Now, I saw a lot of samples how to change that in the code (using a Trust Manager that accepts all domains), but how do I specify to the JVM to ignore the domain mismatch when connecting to the server? Is there a -Djavax.net.ssl argument or something? Thank you! UPDATE: Or, since I am using Spring-WS, is there a way to set some property in Spring for that? (WebServiceTemplate) UPDATE I guess I'll have to do use something from Spring Security: http://static.springsource.org/spring-ws/sites/1.5/reference/html/security.html

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• Code promotion: Enforcing the rules

  - by jbarker7

  So here is our problem: We have a small team of developers with their own ways of doing things-- I am trying to formalize a process in which we are required to promote our code in the following order: Local sandbox Dev UAT Staging Live Developers develop/test as they go on their own sandbox, Dev is its own box that we would use for continuous integration, UAT is another site in IIS on the dev box, which uses our dev database. We then promote to staging, which is a site in IIS on the Live box and using live data (just like the live, hence staging). Then, finally, we promote to live. Here are a few of my questions: 1.) Does this seem to be best practice? If not, what needs to be done differently? 2.) How do I enforce the rules to the developers? Often developers skip steps in order to save time... this should not be tolerated and would be great if it could be physically enforced. 3.) How do I enforce these rules to the business group? The business group just wants to get features out FAST. Do we promote only on certain days? Thanks! Josh

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• FDs not closed in FUSE filesystem

  - by cor

  Hi, I have a problem while implementing a fuse filesystem in python. for now i just have a proxy filesystem, exactly like a mount --bind would be. But, any file created, opened, or read on my filesystem is not released (the corresponding FD is not closed) Here is an example : yume% ./ProxyFs.py `pwd`/test yume% cd test yume% ls mdr yume% echo test test yume% ls mdr test yume% ps auxwww | grep python cor 22822 0.0 0.0 43596 4696 ? Ssl 12:57 0:00 python ./ProxyFs.py /home/cor/esl/proxyfs/test cor 22873 0.0 0.0 6352 812 pts/1 S+ 12:58 0:00 grep python yume% ls -l /proc/22822/fd total 0 lrwx------ 1 cor cor 64 2010-05-27 12:58 0 - /dev/null lrwx------ 1 cor cor 64 2010-05-27 12:58 1 - /dev/null lrwx------ 1 cor cor 64 2010-05-27 12:58 2 - /dev/null lrwx------ 1 cor cor 64 2010-05-27 12:58 3 - /dev/fuse l-wx------ 1 cor cor 64 2010-05-27 12:58 4 - /home/cor/test/test yume% Does anyone have a solution to actually really close the fds of the file I use in my fs ? I'm pretty sure it's a mistake in the implementation of the open, read, write hooks but i'm stucked... Let me know if you need more details ! Thanks a lot Cor

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• Installing XULrunner, adding mozilla daily ppa doesn't help

  - by Lester Peabody

  I need to install xulrunner so I can use Redcar, but am unable to do so. I followed the steps in this question verbatim Install XULRunner 2.0. Here's the output from adding the Mozilla PPA: lpeabody@ubuntu:/var/www/drupal-7.8$ sudo add-apt-repository ppa:ubuntu-mozilla-daily/ppa You are about to add the following PPA to your system: Official PPA for Firefox and Thunderbird daily builds daily (or even multiple builds per day) for various mozilla projects and branches. For questions and bugs with software in this archive, please contact <email address hidden> or visit #ubuntu-mozillateam on freenode. More info: https://launchpad.net/~ubuntu-mozilla-daily/+archive/ppa Press [ENTER] to continue or ctrl-c to cancel adding it Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /tmp/tmp.n2JGd679HN --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver hkp://keyserver.ubuntu.com:80/ --recv B34505EA326FEAEA07E3618DEF4186FE247510BE gpg: requesting key 247510BE from hkp server keyserver.ubuntu.com gpg: key 247510BE: "Launchpad PPA for Ubuntu Mozilla Daily Build Team" not changed gpg: Total number processed: 1 gpg: unchanged: 1 lpeabody@ubuntu:/var/www/drupal-7.8$ sudo apt-get update Ign http://us.archive.ubuntu.com oneiric InRelease Ign http://extras.ubuntu.com oneiric InRelease Ign http://us.archive.ubuntu.com oneiric-updates InRelease Ign http://us.archive.ubuntu.com oneiric-backports InRelease Get:1 http://extras.ubuntu.com oneiric Release.gpg [72 B] Hit http://us.archive.ubuntu.com oneiric Release.gpg Hit http://extras.ubuntu.com oneiric Release Hit http://us.archive.ubuntu.com oneiric-updates Release.gpg Hit http://us.archive.ubuntu.com oneiric-backports Release.gpg Hit http://extras.ubuntu.com oneiric/main Sources Hit http://extras.ubuntu.com oneiric/main i386 Packages Ign http://extras.ubuntu.com oneiric/main TranslationIndex Hit http://us.archive.ubuntu.com oneiric Release Hit http://us.archive.ubuntu.com oneiric-updates Release Hit http://us.archive.ubuntu.com oneiric-backports Release Ign http://extras.ubuntu.com oneiric/main Translation-en_US Hit http://us.archive.ubuntu.com oneiric/main Sources Hit http://us.archive.ubuntu.com oneiric/restricted Sources Hit http://us.archive.ubuntu.com oneiric/universe Sources Ign http://extras.ubuntu.com oneiric/main Translation-en Hit http://us.archive.ubuntu.com oneiric/multiverse Sources Hit http://us.archive.ubuntu.com oneiric/main i386 Packages Hit http://us.archive.ubuntu.com oneiric/restricted i386 Packages Hit http://us.archive.ubuntu.com oneiric/universe i386 Packages Hit http://us.archive.ubuntu.com oneiric/multiverse i386 Packages Hit http://us.archive.ubuntu.com oneiric/main TranslationIndex Hit http://us.archive.ubuntu.com oneiric/multiverse TranslationIndex Hit http://us.archive.ubuntu.com oneiric/restricted TranslationIndex Hit http://us.archive.ubuntu.com oneiric/universe TranslationIndex Hit http://us.archive.ubuntu.com oneiric-updates/main Sources Hit http://us.archive.ubuntu.com oneiric-updates/restricted Sources Hit http://us.archive.ubuntu.com oneiric-updates/universe Sources Hit http://us.archive.ubuntu.com oneiric-updates/multiverse Sources Hit http://us.archive.ubuntu.com oneiric-updates/main i386 Packages Hit http://us.archive.ubuntu.com oneiric-updates/restricted i386 Packages Hit http://us.archive.ubuntu.com oneiric-updates/universe i386 Packages Hit http://us.archive.ubuntu.com oneiric-updates/multiverse i386 Packages Hit http://us.archive.ubuntu.com oneiric-updates/main TranslationIndex Hit http://us.archive.ubuntu.com oneiric-updates/multiverse TranslationIndex Hit http://us.archive.ubuntu.com oneiric-updates/restricted TranslationIndex Hit http://us.archive.ubuntu.com oneiric-updates/universe TranslationIndex Hit http://us.archive.ubuntu.com oneiric-backports/main Sources Hit http://us.archive.ubuntu.com oneiric-backports/restricted Sources Hit http://us.archive.ubuntu.com oneiric-backports/universe Sources Hit http://us.archive.ubuntu.com oneiric-backports/multiverse Sources Hit http://us.archive.ubuntu.com oneiric-backports/main i386 Packages Hit http://us.archive.ubuntu.com oneiric-backports/restricted i386 Packages Hit http://us.archive.ubuntu.com oneiric-backports/universe i386 Packages Hit http://us.archive.ubuntu.com oneiric-backports/multiverse i386 Packages Hit http://us.archive.ubuntu.com oneiric-backports/main TranslationIndex Hit http://us.archive.ubuntu.com oneiric-backports/multiverse TranslationIndex Hit http://us.archive.ubuntu.com oneiric-backports/restricted TranslationIndex Hit http://us.archive.ubuntu.com oneiric-backports/universe TranslationIndex Hit http://us.archive.ubuntu.com oneiric/main Translation-en Hit http://us.archive.ubuntu.com oneiric/multiverse Translation-en Hit http://us.archive.ubuntu.com oneiric/restricted Translation-en Hit http://us.archive.ubuntu.com oneiric/universe Translation-en Hit http://us.archive.ubuntu.com oneiric-updates/main Translation-en Hit http://us.archive.ubuntu.com oneiric-updates/multiverse Translation-en Hit http://us.archive.ubuntu.com oneiric-updates/restricted Translation-en Hit http://us.archive.ubuntu.com oneiric-updates/universe Translation-en Hit http://us.archive.ubuntu.com oneiric-backports/main Translation-en Hit http://us.archive.ubuntu.com oneiric-backports/multiverse Translation-en Hit http://us.archive.ubuntu.com oneiric-backports/restricted Translation-en Hit http://us.archive.ubuntu.com oneiric-backports/universe Translation-en Ign http://security.ubuntu.com oneiric-security InRelease Ign http://ppa.launchpad.net oneiric InRelease Ign http://ppa.launchpad.net oneiric InRelease Hit http://security.ubuntu.com oneiric-security Release.gpg Hit http://ppa.launchpad.net oneiric Release.gpg Hit http://security.ubuntu.com oneiric-security Release Get:2 http://ppa.launchpad.net oneiric Release.gpg [316 B] Hit http://ppa.launchpad.net oneiric Release Hit http://security.ubuntu.com oneiric-security/main Sources Get:3 http://ppa.launchpad.net oneiric Release [9,788 B] Hit http://security.ubuntu.com oneiric-security/restricted Sources Hit http://security.ubuntu.com oneiric-security/universe Sources Hit http://security.ubuntu.com oneiric-security/multiverse Sources Hit http://security.ubuntu.com oneiric-security/main i386 Packages Hit http://security.ubuntu.com oneiric-security/restricted i386 Packages Hit http://security.ubuntu.com oneiric-security/universe i386 Packages Hit http://security.ubuntu.com oneiric-security/multiverse i386 Packages Hit http://security.ubuntu.com oneiric-security/main TranslationIndex Hit http://security.ubuntu.com oneiric-security/multiverse TranslationIndex Hit http://security.ubuntu.com oneiric-security/restricted TranslationIndex Hit http://security.ubuntu.com oneiric-security/universe TranslationIndex Hit http://ppa.launchpad.net oneiric/main Sources Hit http://ppa.launchpad.net oneiric/main i386 Packages Ign http://ppa.launchpad.net oneiric/main TranslationIndex Hit http://security.ubuntu.com oneiric-security/main Translation-en Get:4 http://ppa.launchpad.net oneiric/main Sources [1,650 B] Get:5 http://ppa.launchpad.net oneiric/main i386 Packages [12.6 kB] Hit http://security.ubuntu.com oneiric-security/multiverse Translation-en Hit http://security.ubuntu.com oneiric-security/restricted Translation-en Ign http://ppa.launchpad.net oneiric/main TranslationIndex Hit http://security.ubuntu.com oneiric-security/universe Translation-en Ign http://ppa.launchpad.net oneiric/main Translation-en_US Ign http://ppa.launchpad.net oneiric/main Translation-en Ign http://ppa.launchpad.net oneiric/main Translation-en_US Ign http://ppa.launchpad.net oneiric/main Translation-en Fetched 24.5 kB in 5s (4,853 B/s) Reading package lists... Done After running the update, I attempted to install xulrunner, but get the following back: lpeabody@ubuntu:/var/www/drupal-7.8$ sudo apt-get install xulrunner-2.0 xulrunner-2.0-dev xulrunner-2.0-gnome-support xulrunner-dev Reading package lists... Done Building dependency tree Reading state information... Done Package xulrunner-2.0-dev is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source Package xulrunner-2.0 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'xulrunner-2.0' has no installation candidate E: Package 'xulrunner-2.0-dev' has no installation candidate E: Unable to locate package xulrunner-2.0-gnome-support E: Couldn't find any package by regex 'xulrunner-2.0-gnome-support' E: Unable to locate package xulrunner-dev If you need to know anything else please specify, I will be prompt with my answers if asked during the next 2 hours... so 2am EDT.

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• ?11.2RAC??????????????

  - by JaneZhang(???)

         ?????,???????????????,???dbca???????,???????????dbca,?????????11.2???????,???????,??dbca??????????????????,????????????????     ????11.2???????RACDB2???,?????RACDB1? ?????rac1,????rac2?     ?11.2?,?????grid?????GI,??oracle????????,????????oracle?????? 1. ??????????????????,?????,???????????:audit_file_dest, background_dump_dest, user_dump_dest ?core_dump_dest????audit_file_dest=/u01/app/oracle/admin/RACDB/adump,?????????,?????????:ORA-09925: Unable to create audit trail fileLinux-x86_64 Error: 2: No such file or directoryAdditional information: 99252. ????????????????????????????:SQL> alter system set instance_number=2 scope=spfile sid='RACDB2';SQL> alter system set thread=2 scope=spfile sid='RACDB2';SQL> alter system set undo_tablespace='UNDOTBS2' scope=spfile sid='RACDB2';SQL> alter system set local_listener='(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=192.0.2.122)(PORT=1521))))' sid='RACDB2'; <=====192.0.2.122???2?VIP 3. ???????DB?$ORACLE_HOME/dbs/init<sid>.ora ?????DB?$ORACLE_HOME/dbs/init<sid>.ora,??????????????init<sid>.ora ????,????spfile???:=======================SPFILE='+DATA/racdb/spfileracdb.ora'??:[oracle@rac1 ~]$ scp $ORACLE_HOME/dbs/initRACDB1.ora rac2:$ORACLE_HOME/dbs/initRACDB2.ora <===????????24.  ??????/etc/oratab,????????????:RACDB2:/u01/app/oracle/product/11.2.0/dbhome_1:N       5.  ???????????: DB?$ORACLE_HOME/dbs/ora<sid>.pwd ????DB?$ORACLE_HOME/dbs/ora<sid>.pwd,??????????????:[oracle@rac1 dbs]$ scp $ORACLE_HOME/dbs/orapwRACDB1 rac2:$ORACLE_HOME/dbs/orapwRACDB2 <==?????26.  ?????????????,????????UNDO TABLESPACE?(??????dbca?????,???????undo tablespace????,?????????)??:SQL>CREATE UNDO TABLESPACE "UNDOTBS2" DATAFILE '/dev/….' SIZE 4096M ;???????:SQL>CREATE UNDO TABLESPACE "UNDOTBS2" DATAFILE '+DATA' SIZE 4096M ;7.  ?????????????,????????redo thread?redo log:??:SQL> alter database add logfile thread 2      group 3 ('/dev/...', '/dev/...') size 1024M,     group 4 ('/dev/...','dev/...') size 1024M;???????:SQL> alter database add logfile thread 2     group 3 ('+DATA','+RECO') size 1024M,     group 4 ('+DATA','+RECO') size 1024M;SQL> alter database enable thread 2; <==????thread8.  ??????????,?????????????:[oracle@rac2 admin]$su - oracle[oracle@rac2 admin]$export ORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1[oracle@rac2 admin]$export ORACLE_SID=RACDB2[oracle@rac2 admin]$ sqlplus / as sysdbaSQL> startup <==??????,???????2????????????9. ?????OCR???GI??,?????????????:$srvctl add instance -d <database name> -i <new instance name> -n <new node name>Example of srvctl add instance command:============================[oracle@rac2 ~]$ srvctl add instance -d racdb -i RACDB2 -n rac2  <==????????,????ps -ef|grep smon???[oracle@rac2 dbs]$ ps -ef|grep smonroot      3453     1  1 Jun12 ?        04:03:05 /u01/app/11.2.0/grid/bin/osysmond.bingrid      3727     1  0 Jun12 ?        00:00:19 asm_smon_+ASM2oracle    5343  4543  0 14:06 pts/1    00:00:00 grep smonoracle   28736     1  0 Jun25 ?        00:00:03 ora_smon_RACDB2 <========??????10. ???????:$su - grid[grid@rac2 ~]$ crsctl stat res -t...ora.racdb.db      1        ONLINE  ONLINE       rac1                     Open                      2        OFFLINE OFFLINE             rac2????,??????offline,????????????sqlplus??????sqlplus??????,???srvctl??:[grid@rac2 ~]$ su  - oraclePassword: [oracle@rac2 ~]$ sqlplus / as sysdbaSQL> shutdown immediate;Database closed.Database dismounted.ORACLE instance shut down.SQL> exit[oracle@rac2 ~]$ srvctl start instance -d racdb -i RACDB2[oracle@rac2 ~]$ su - gridPassword: [grid@rac2 ~]$ crsctl stat res -tora.racdb.db      1        ONLINE  ONLINE       rac1                     Open                      2        ONLINE  ONLINE       rac2                     Open                11. ?????????:[oracle@rac2 ~]$ crsctl stat res ora.racdb.db -pNAME=ora.racdb.dbTYPE=ora.database.typeACL=owner:oracle:rwx,pgrp:oinstall:rwx,other::r--ACTION_FAILURE_TEMPLATE=ACTION_SCRIPT=ACTIVE_PLACEMENT=1AGENT_FILENAME=%CRS_HOME%/bin/oraagent%CRS_EXE_SUFFIX%AUTO_START=restoreCARDINALITY=2CHECK_INTERVAL=1CHECK_TIMEOUT=30CLUSTER_DATABASE=trueDATABASE_TYPE=RACDB_UNIQUE_NAME=RACDBDEFAULT_TEMPLATE=PROPERTY(RESOURCE_CLASS=database) PROPERTY(DB_UNIQUE_NAME= CONCAT(PARSE(%NAME%, ., 2), %USR_ORA_DOMAIN%, .)) ELEMENT(INSTANCE_NAME= %GEN_USR_ORA_INST_NAME%) ELEMENT(DATABASE_TYPE= %DATABASE_TYPE%)DEGREE=1DESCRIPTION=Oracle Database resourceENABLED=1FAILOVER_DELAY=0FAILURE_INTERVAL=60FAILURE_THRESHOLD=1GEN_AUDIT_FILE_DEST=/u01/app/oracle/admin/RACDB/adumpGEN_START_OPTIONS=GEN_START_OPTIONS@SERVERNAME(rac1)=openGEN_START_OPTIONS@SERVERNAME(rac2)=openGEN_USR_ORA_INST_NAME=GEN_USR_ORA_INST_NAME@SERVERNAME(rac1)=RACDB1HOSTING_MEMBERS=INSTANCE_FAILOVER=0LOAD=1LOGGING_LEVEL=1MANAGEMENT_POLICY=AUTOMATICNLS_LANG=NOT_RESTARTING_TEMPLATE=OFFLINE_CHECK_INTERVAL=0ONLINE_RELOCATION_TIMEOUT=0ORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1ORACLE_HOME_OLD=PLACEMENT=restrictedPROFILE_CHANGE_TEMPLATE=RESTART_ATTEMPTS=2ROLE=PRIMARYSCRIPT_TIMEOUT=60SERVER_POOLS=ora.RACDBSPFILE=+DATA/RACDB/spfileRACDB.oraSTART_DEPENDENCIES=hard(ora.DATA.dg,ora.RECO.dg) weak(type:ora.listener.type,global:type:ora.scan_listener.type,uniform:ora.ons,global:ora.gns) pullup(ora.DATA.dg,ora.RECO.dg)START_TIMEOUT=600STATE_CHANGE_TEMPLATE=STOP_DEPENDENCIES=hard(intermediate:ora.asm,shutdown:ora.DATA.dg,shutdown:ora.RECO.dg)STOP_TIMEOUT=600TYPE_VERSION=3.2UPTIME_THRESHOLD=1hUSR_ORA_DB_NAME=RACDBUSR_ORA_DOMAIN=USR_ORA_ENV=USR_ORA_FLAGS=USR_ORA_INST_NAME=USR_ORA_INST_NAME@SERVERNAME(rac1)=RACDB1USR_ORA_INST_NAME@SERVERNAME(rac2)=RACDB2USR_ORA_OPEN_MODE=openUSR_ORA_OPI=falseUSR_ORA_STOP_MODE=immediateVERSION=11.2.0.3.0???11.2,?OCR???database??,??????,???????????database???????database???????,??????,???????????????ASM????????????  ?:dbca ???????????:????????oracle????dbca:su - oracledbca?? RAC database?? Instance Management?? add an instance???active rac database??????? ??undo?redo??

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• Suspend not working after kernel update on an HP Envy14 1050

  - by leoxweb

  I just update ubuntu 12.04 to the kernel 3.2.0-30 and together with it a lot of packeges in the system. I am running it on an HP Envy14 1050. When I first made a fresh install of the clean ubuntu 12.04 I had the problem that when restoring from suspend the screen was black, although some backlight was there. I could fix it following this https://bugs.launchpad.net/ubuntu/+source/linux/+bug/989674/comments/20. Now, after the update the black screen after suspend has reappeared but with no backlight at all and the led in the caps lock key blinking. The laptop is using a ATI radeon 5600 with the privative drivers. During the update process there was an error with depmod . You can see the /var/log/dist-upgrade/apt-term.log file at the end. UPDATE: suspend is not working at all. The problem is not when restoring from suspend, but when I try to suspend the system it gets blocked and the fan running. Only option is to press power button. Log started: 2012-09-12 00:46:46 (Reading database ... 198909 files and directories currently installed.) Removing icedtea-7-jre-cacao ... Selecting previously unselected package linux-image-3.2.0-30-generic. (Reading database ... 198901 files and directories currently installed.) Unpacking linux-image-3.2.0-30-generic (from .../linux-image-3.2.0-30-generic_3.2.0-30.48_amd64.deb) ... Done. Preparing to replace icedtea-7-jre-jamvm 7~u3-2.1.1~pre1-1ubuntu3 (using .../icedtea-7-jre-jamvm_7u7-2.3.2-1ubuntu0.12.04.1_amd64.deb) ... Unpacking replacement icedtea-7-jre-jamvm ... Preparing to replace openjdk-7-jre-lib 7~u3-2.1.1~pre1-1ubuntu3 (using .../openjdk-7-jre-lib_7u7-2.3.2-1ubuntu0.12.04.1_all.deb) ... Unpacking replacement openjdk-7-jre-lib ... Preparing to replace openjdk-7-jre-headless 7~u3-2.1.1~pre1-1ubuntu3 (using .../openjdk-7-jre-headless_7u7-2.3.2-1ubuntu0.12.04.1_amd64.deb) ... Unpacking replacement openjdk-7-jre-headless ... Preparing to replace python-problem-report 2.0.1-0ubuntu12 (using .../python-problem-report_2.0.1-0ubuntu13_all.deb) ... Unpacking replacement python-problem-report ... Preparing to replace python-apport 2.0.1-0ubuntu12 (using .../python-apport_2.0.1-0ubuntu13_all.deb) ... Unpacking replacement python-apport ... Preparing to replace apport 2.0.1-0ubuntu12 (using .../apport_2.0.1-0ubuntu13_all.deb) ... apport stop/waiting Unpacking replacement apport ... Preparing to replace apport-gtk 2.0.1-0ubuntu12 (using .../apport-gtk_2.0.1-0ubuntu13_all.deb) ... Unpacking replacement apport-gtk ... Preparing to replace firefox-globalmenu 15.0+build1-0ubuntu0.12.04.1 (using .../firefox-globalmenu_15.0.1+build1-0ubuntu0.12.04.1_amd64.deb) ... Unpacking replacement firefox-globalmenu ... Preparing to replace firefox 15.0+build1-0ubuntu0.12.04.1 (using .../firefox_15.0.1+build1-0ubuntu0.12.04.1_amd64.deb) ... Unpacking replacement firefox ... Preparing to replace firefox-gnome-support 15.0+build1-0ubuntu0.12.04.1 (using .../firefox-gnome-support_15.0.1+build1-0ubuntu0.12.04.1_amd64.deb) ... Unpacking replacement firefox-gnome-support ... Preparing to replace firefox-locale-en 15.0+build1-0ubuntu0.12.04.1 (using .../firefox-locale-en_15.0.1+build1-0ubuntu0.12.04.1_amd64.deb) ... Unpacking replacement firefox-locale-en ... Preparing to replace firefox-locale-es 15.0+build1-0ubuntu0.12.04.1 (using .../firefox-locale-es_15.0.1+build1-0ubuntu0.12.04.1_amd64.deb) ... Unpacking replacement firefox-locale-es ... Preparing to replace firefox-locale-zh-hans 15.0+build1-0ubuntu0.12.04.1 (using .../firefox-locale-zh-hans_15.0.1+build1-0ubuntu0.12.04.1_amd64.deb) ... Unpacking replacement firefox-locale-zh-hans ... Preparing to replace totem-mozilla 3.0.1-0ubuntu21 (using .../totem-mozilla_3.0.1-0ubuntu21.1_amd64.deb) ... Unpacking replacement totem-mozilla ... Preparing to replace libtotem0 3.0.1-0ubuntu21 (using .../libtotem0_3.0.1-0ubuntu21.1_amd64.deb) ... Unpacking replacement libtotem0 ... Preparing to replace totem-plugins 3.0.1-0ubuntu21 (using .../totem-plugins_3.0.1-0ubuntu21.1_amd64.deb) ... Unpacking replacement totem-plugins ... Preparing to replace totem 3.0.1-0ubuntu21 (using .../totem_3.0.1-0ubuntu21.1_amd64.deb) ... Unpacking replacement totem ... Preparing to replace totem-common 3.0.1-0ubuntu21 (using .../totem-common_3.0.1-0ubuntu21.1_all.deb) ... Unpacking replacement totem-common ... Preparing to replace gir1.2-totem-1.0 3.0.1-0ubuntu21 (using .../gir1.2-totem-1.0_3.0.1-0ubuntu21.1_amd64.deb) ... Unpacking replacement gir1.2-totem-1.0 ... Preparing to replace glib-networking-common 2.32.1-1ubuntu1 (using .../glib-networking-common_2.32.1-1ubuntu2_all.deb) ... Unpacking replacement glib-networking-common ... Preparing to replace glib-networking 2.32.1-1ubuntu1 (using .../glib-networking_2.32.1-1ubuntu2_amd64.deb) ... Unpacking replacement glib-networking ... Preparing to replace glib-networking-services 2.32.1-1ubuntu1 (using .../glib-networking-services_2.32.1-1ubuntu2_amd64.deb) ... Unpacking replacement glib-networking-services ... Preparing to replace linux-firmware 1.79 (using .../linux-firmware_1.79.1_all.deb) ... Unpacking replacement linux-firmware ... Preparing to replace linux-generic 3.2.0.29.31 (using .../linux-generic_3.2.0.30.32_amd64.deb) ... Unpacking replacement linux-generic ... Preparing to replace linux-image-generic 3.2.0.29.31 (using .../linux-image-generic_3.2.0.30.32_amd64.deb) ... Unpacking replacement linux-image-generic ... Selecting previously unselected package linux-headers-3.2.0-30. Unpacking linux-headers-3.2.0-30 (from .../linux-headers-3.2.0-30_3.2.0-30.48_all.deb) ... Selecting previously unselected package linux-headers-3.2.0-30-generic. Unpacking linux-headers-3.2.0-30-generic (from .../linux-headers-3.2.0-30-generic_3.2.0-30.48_amd64.deb) ... Preparing to replace linux-headers-generic 3.2.0.29.31 (using .../linux-headers-generic_3.2.0.30.32_amd64.deb) ... Unpacking replacement linux-headers-generic ... Preparing to replace linux-libc-dev 3.2.0-29.46 (using .../linux-libc-dev_3.2.0-30.48_amd64.deb) ... Unpacking replacement linux-libc-dev ... Preparing to replace openjdk-7-jre 7~u3-2.1.1~pre1-1ubuntu3 (using .../openjdk-7-jre_7u7-2.3.2-1ubuntu0.12.04.1_amd64.deb) ... Unpacking replacement openjdk-7-jre ... Preparing to replace openjdk-7-jdk 7~u3-2.1.1~pre1-1ubuntu3 (using .../openjdk-7-jdk_7u7-2.3.2-1ubuntu0.12.04.1_amd64.deb) ... Unpacking replacement openjdk-7-jdk ... Preparing to replace policykit-1-gnome 0.105-1ubuntu3 (using .../policykit-1-gnome_0.105-1ubuntu3.1_amd64.deb) ... Unpacking replacement policykit-1-gnome ... Preparing to replace xserver-xorg-input-synaptics 1.6.2-1ubuntu1~precise1 (using .../xserver-xorg-input-synaptics_1.6.2-1ubuntu1~precise2_amd64.deb) ... Unpacking replacement xserver-xorg-input-synaptics ... Processing triggers for ureadahead ... ureadahead will be reprofiled on next reboot Processing triggers for hicolor-icon-theme ... Processing triggers for shared-mime-info ... Unknown media type in type 'all/all' Unknown media type in type 'all/allfiles' Unknown media type in type 'uri/mms' Unknown media type in type 'uri/mmst' Unknown media type in type 'uri/mmsu' Unknown media type in type 'uri/pnm' Unknown media type in type 'uri/rtspt' Unknown media type in type 'uri/rtspu' Processing triggers for man-db ... Processing triggers for bamfdaemon ... Rebuilding /usr/share/applications/bamf.index... Processing triggers for desktop-file-utils ... Processing triggers for gnome-menus ... Processing triggers for gconf2 ... Processing triggers for libglib2.0-0:i386 ... Processing triggers for libglib2.0-0 ... Setting up linux-image-3.2.0-30-generic (3.2.0-30.48) ... Running depmod. update-initramfs: deferring update (hook will be called later) Examining /etc/kernel/postinst.d. run-parts: executing /etc/kernel/postinst.d/dkms 3.2.0-30-generic /boot/vmlinuz-3.2.0-30-generic Error! Problems with depmod detected. Automatically uninstalling this module. DKMS: Install Failed (depmod problems). Module rolled back to built state. run-parts: executing /etc/kernel/postinst.d/initramfs-tools 3.2.0-30-generic /boot/vmlinuz-3.2.0-30-generic update-initramfs: Generating /boot/initrd.img-3.2.0-30-generic run-parts: executing /etc/kernel/postinst.d/pm-utils 3.2.0-30-generic /boot/vmlinuz-3.2.0-30-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 3.2.0-30-generic /boot/vmlinuz-3.2.0-30-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 3.2.0-30-generic /boot/vmlinuz-3.2.0-30-generic Generating grub.cfg ... Found linux image: /boot/vmlinuz-3.2.0-30-generic Found initrd image: /boot/initrd.img-3.2.0-30-generic Found linux image: /boot/vmlinuz-3.2.0-29-generic Found initrd image: /boot/initrd.img-3.2.0-29-generic Found linux image: /boot/vmlinuz-3.2.0-23-generic Found initrd image: /boot/initrd.img-3.2.0-23-generic Found memtest86+ image: /boot/memtest86+.bin Found Windows 7 (loader) on /dev/sda1 Found Windows Recovery Environment (loader) on /dev/sda2 Found Windows Recovery Environment (loader) on /dev/sda3 done Setting up python-problem-report (2.0.1-0ubuntu13) ... Setting up python-apport (2.0.1-0ubuntu13) ... Setting up apport (2.0.1-0ubuntu13) ... apport start/running Setting up apport-gtk (2.0.1-0ubuntu13) ... Setting up firefox (15.0.1+build1-0ubuntu0.12.04.1) ... Please restart all running instances of firefox, or you will experience problems. Setting up firefox-globalmenu (15.0.1+build1-0ubuntu0.12.04.1) ... Setting up firefox-gnome-support (15.0.1+build1-0ubuntu0.12.04.1) ... Setting up firefox-locale-en (15.0.1+build1-0ubuntu0.12.04.1) ... Setting up firefox-locale-es (15.0.1+build1-0ubuntu0.12.04.1) ... Setting up firefox-locale-zh-hans (15.0.1+build1-0ubuntu0.12.04.1) ... Setting up libtotem0 (3.0.1-0ubuntu21.1) ... Setting up totem-common (3.0.1-0ubuntu21.1) ... Setting up totem (3.0.1-0ubuntu21.1) ... Setting up totem-mozilla (3.0.1-0ubuntu21.1) ... Setting up gir1.2-totem-1.0 (3.0.1-0ubuntu21.1) ... Setting up totem-plugins (3.0.1-0ubuntu21.1) ... Setting up glib-networking-common (2.32.1-1ubuntu2) ... Setting up glib-networking-services (2.32.1-1ubuntu2) ... Setting up glib-networking (2.32.1-1ubuntu2) ... Setting up linux-firmware (1.79.1) ... Setting up linux-image-generic (3.2.0.30.32) ... Setting up linux-generic (3.2.0.30.32) ... Setting up linux-headers-3.2.0-30 (3.2.0-30.48) ... Setting up linux-headers-3.2.0-30-generic (3.2.0-30.48) ... Examining /etc/kernel/header_postinst.d. run-parts: executing /etc/kernel/header_postinst.d/dkms 3.2.0-30-generic /boot/vmlinuz-3.2.0-30-generic Setting up linux-headers-generic (3.2.0.30.32) ... Setting up linux-libc-dev (3.2.0-30.48) ... Setting up policykit-1-gnome (0.105-1ubuntu3.1) ... Setting up xserver-xorg-input-synaptics (1.6.2-1ubuntu1~precise2) ... Setting up openjdk-7-jre-headless (7u7-2.3.2-1ubuntu0.12.04.1) ... Installing new version of config file /etc/java-7-openjdk/security/java.security ... Installing new version of config file /etc/java-7-openjdk/jvm-amd64.cfg ... Setting up openjdk-7-jre-lib (7u7-2.3.2-1ubuntu0.12.04.1) ... Setting up icedtea-7-jre-jamvm (7u7-2.3.2-1ubuntu0.12.04.1) ... Setting up openjdk-7-jre (7u7-2.3.2-1ubuntu0.12.04.1) ... Setting up openjdk-7-jdk (7u7-2.3.2-1ubuntu0.12.04.1) ... update-alternatives: using /usr/lib/jvm/java-7-openjdk-amd64/bin/jcmd to provide /usr/bin/jcmd (jcmd) in auto mode. Processing triggers for libc-bin ... ldconfig deferred processing now taking place Log ended: 2012-09-12 00:49:16

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• ??Database Replay Capture????

  - by Liu Maclean(???)

  Database Replay?11g??????,??workload capture??????????????,???????? ??Workload Capture???????: ???????????????,???????2????,??????,???????????OLTP???????capture 10????1G???? ?????: ????????????????????? ??startup restrict????,?????????? ??capture???restrict?? ????????????? ???????????????: ??scn???????? ???????? ???????? Capture???????????workload????? ???????SYSDBA?SYSOPER????OS?? ????: ?TPCC???capture??????4.5% ????session????64KB??? ???Workload Capture?????????? ????????2?, ??RAC????workload capture  file??????????????,??start_capture????? ????session????64KB???,??????????????workload  capture file????Server Process??????,?????????parse???execution????,Server Process??LOGON?LOGOFF?SQL??????????PGA?,???WCR Capture PG?WCR Capture PGA?,?PGA?????????????????,Server Process???????????WCR???,?????WCR???Server Process??’WCR: capture file IO write’????? ?WCR?????????: SQL> select * from v$version; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production PL/SQL Release 11.2.0.3.0 - Production CORE 11.2.0.3.0 Production TNS for Linux: Version 11.2.0.3.0 - Production NLSRTL Version 11.2.0.3.0 - Production SQL> select name from v$event_name where name like '%WCR%'; NAME ---------------------------------------------------------------- WCR: replay client notify WCR: replay clock WCR: replay lock order WCR: replay paused WCR: RAC message context busy WCR: capture file IO write WCR: Sync context busy latch: WCR: sync latch: WCR: processes HT 11g????????WCR???LATCH 1* select name,gets from v$latch where name like '%WCR%' SQL> / NAME GETS ------------------------------ ---------- WCR: kecu cas mem 3 WCR: kecr File Count 37 WCR: MMON Create dir 1 WCR: ticker cache 0 WCR: sync 495 WCR: processes HT 0 WCR: MTS VC queue 0 7 rows selected. ????????????Database Replay Capture????? 1. ????capture dbms_workload_capture.start_capture CREATE OR REPLACE DIRECTORY dbcapture AS '/home/oracle/dbcapture'; execute dbms_workload_capture.start_capture('CAPTURE','DBCAPTURE',default_action=>'INCLUDE'); SQL> select id,name,status,start_time,end_time,connects,user_calls,dir_path from dba_workload_captures where id = (select max(id) from dba_workload_captures) ; ID ---------- NAME -------------------------------------------------------------------------------- STATUS START_TIM END_TIME CONNECTS ---------------------------------------- --------- --------- ---------- USER_CALLS ---------- DIR_PATH -------------------------------------------------------------------------------- 1 CAPTURE IN PROGRESS 08-DEC-12 11 ID ---------- NAME -------------------------------------------------------------------------------- STATUS START_TIM END_TIME CONNECTS ---------------------------------------- --------- --------- ---------- USER_CALLS ---------- DIR_PATH -------------------------------------------------------------------------------- 167 /home/oracle/dbcapture 2. ?? capture file?? [oracle@mlab2 dbcapture]$ ls -lR .: total 8 drwxr-xr-x 2 oracle oinstall 4096 Dec 8 07:24 cap drwxr-xr-x 3 oracle oinstall 4096 Dec 8 07:24 capfiles -rw-r--r-- 1 oracle oinstall 0 Dec 8 07:24 wcr_cap_00001.start ./cap: total 4 -rw-r--r-- 1 oracle oinstall 91 Dec 8 07:24 wcr_scapture.wmd ./capfiles: total 4 drwxr-xr-x 12 oracle oinstall 4096 Dec 8 07:24 inst1 ./capfiles/inst1: total 40 drwxr-xr-x 2 oracle oinstall 4096 Dec 8 08:31 aa drwxr-xr-x 2 oracle oinstall 4096 Dec 8 07:24 ab drwxr-xr-x 2 oracle oinstall 4096 Dec 8 07:24 ac drwxr-xr-x 2 oracle oinstall 4096 Dec 8 07:24 ad drwxr-xr-x 2 oracle oinstall 4096 Dec 8 07:24 ae drwxr-xr-x 2 oracle oinstall 4096 Dec 8 07:24 af drwxr-xr-x 2 oracle oinstall 4096 Dec 8 07:24 ag drwxr-xr-x 2 oracle oinstall 4096 Dec 8 07:24 ah drwxr-xr-x 2 oracle oinstall 4096 Dec 8 07:24 ai drwxr-xr-x 2 oracle oinstall 4096 Dec 8 07:24 aj ./capfiles/inst1/aa: total 316 -rw-r--r-- 1 oracle oinstall 1762 Dec 8 07:25 wcr_c6cdah0000001.rec -rw-r--r-- 1 oracle oinstall 16478 Dec 8 07:28 wcr_c6cf1h0000002.rec -rw-r--r-- 1 oracle oinstall 1772 Dec 8 07:29 wcr_c6cjdh0000004.rec -rw-r--r-- 1 oracle oinstall 1535 Dec 8 07:29 wcr_c6cnah0000005.rec -rw-r--r-- 1 oracle oinstall 1821 Dec 8 07:41 wcr_c6cpfh0000007.rec -rw-r--r-- 1 oracle oinstall 1815 Dec 8 07:33 wcr_c6cq6h000000a.rec -rw-r--r-- 1 oracle oinstall 1535 Dec 8 07:34 wcr_c6cxmh000000h.rec -rw-r--r-- 1 oracle oinstall 1427 Dec 8 07:41 wcr_c6cxvh000000j.rec -rw-r--r-- 1 oracle oinstall 1425 Dec 8 07:41 wcr_c6czph000000k.rec -rw-r--r-- 1 oracle oinstall 2398 Dec 8 07:49 wcr_c6dqfh000000q.rec -rw-r--r-- 1 oracle oinstall 259321 Dec 8 08:35 wcr_c6du7h000000r.rec -rw-r--r-- 1 oracle oinstall 0 Dec 8 07:55 wcr_c6f6yh000000t.rec -rw-r--r-- 1 oracle oinstall 0 Dec 8 08:28 wcr_c6h3qh0000013.rec ./capfiles/inst1/ab: total 0 ./capfiles/inst1/ac: total 0 ./capfiles/inst1/ad: total 0 ./capfiles/inst1/ae: total 0 ./capfiles/inst1/af: total 0 ./capfiles/inst1/ag: total 0 ./capfiles/inst1/ah: total 0 ./capfiles/inst1/ai: total 0 ./capfiles/inst1/aj: total 0 [oracle@mlab2 dbcapture]$ cd ./capfiles/inst1/aa [oracle@mlab2 aa]$ ls -l total 316 -rw-r--r-- 1 oracle oinstall 1762 Dec 8 07:25 wcr_c6cdah0000001.rec -rw-r--r-- 1 oracle oinstall 16478 Dec 8 07:28 wcr_c6cf1h0000002.rec -rw-r--r-- 1 oracle oinstall 1772 Dec 8 07:29 wcr_c6cjdh0000004.rec -rw-r--r-- 1 oracle oinstall 1535 Dec 8 07:29 wcr_c6cnah0000005.rec -rw-r--r-- 1 oracle oinstall 1821 Dec 8 07:41 wcr_c6cpfh0000007.rec -rw-r--r-- 1 oracle oinstall 1815 Dec 8 07:33 wcr_c6cq6h000000a.rec -rw-r--r-- 1 oracle oinstall 1535 Dec 8 07:34 wcr_c6cxmh000000h.rec -rw-r--r-- 1 oracle oinstall 1427 Dec 8 07:41 wcr_c6cxvh000000j.rec -rw-r--r-- 1 oracle oinstall 1425 Dec 8 07:41 wcr_c6czph000000k.rec -rw-r--r-- 1 oracle oinstall 2398 Dec 8 07:49 wcr_c6dqfh000000q.rec -rw-r--r-- 1 oracle oinstall 259321 Dec 8 08:35 wcr_c6du7h000000r.rec -rw-r--r-- 1 oracle oinstall 0 Dec 8 07:55 wcr_c6f6yh000000t.rec -rw-r--r-- 1 oracle oinstall 0 Dec 8 08:28 wcr_c6h3qh0000013.rec [oracle@mlab2 aa]$ ls -l |wc -l 14 ???????14??? 3. ??LOGON????Server Process [oracle@mlab2 ~]$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.3.0 Production on Sat Dec 8 08:37:40 2012 Copyright (c) 1982, 2011, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production With the Partitioning, Automatic Storage Management, OLAP, Data Mining and Real Application Testing options ?????wcr?? [oracle@mlab2 aa]$ ls -ltr total 316 -rw-r--r-- 1 oracle oinstall 1762 Dec 8 07:25 wcr_c6cdah0000001.rec -rw-r--r-- 1 oracle oinstall 16478 Dec 8 07:28 wcr_c6cf1h0000002.rec -rw-r--r-- 1 oracle oinstall 1772 Dec 8 07:29 wcr_c6cjdh0000004.rec -rw-r--r-- 1 oracle oinstall 1535 Dec 8 07:29 wcr_c6cnah0000005.rec -rw-r--r-- 1 oracle oinstall 1815 Dec 8 07:33 wcr_c6cq6h000000a.rec -rw-r--r-- 1 oracle oinstall 1535 Dec 8 07:34 wcr_c6cxmh000000h.rec -rw-r--r-- 1 oracle oinstall 1425 Dec 8 07:41 wcr_c6czph000000k.rec -rw-r--r-- 1 oracle oinstall 1427 Dec 8 07:41 wcr_c6cxvh000000j.rec -rw-r--r-- 1 oracle oinstall 1821 Dec 8 07:41 wcr_c6cpfh0000007.rec -rw-r--r-- 1 oracle oinstall 2398 Dec 8 07:49 wcr_c6dqfh000000q.rec -rw-r--r-- 1 oracle oinstall 0 Dec 8 07:55 wcr_c6f6yh000000t.rec -rw-r--r-- 1 oracle oinstall 0 Dec 8 08:28 wcr_c6h3qh0000013.rec -rw-r--r-- 1 oracle oinstall 259321 Dec 8 08:35 wcr_c6du7h000000r.rec -rw-r--r-- 1 oracle oinstall 0 Dec 8 08:37 wcr_c6hp4h0000018.rec ??????wcr_c6hp4h0000018.rec ??? SQL> select spid from v$process where addr = ( select paddr from v$session where sid=(select distinct sid from v$mystat)); SPID ------------------------ 14293 ????????????????14293, ???????????????,??????wcr_c6hp4h0000018.rec [oracle@mlab2 ~]$ ls -l /proc/14293/fd total 0 lr-x------ 1 oracle oinstall 64 Dec 8 08:39 0 -> /dev/null l-wx------ 1 oracle oinstall 64 Dec 8 08:39 1 -> /dev/null lrwx------ 1 oracle oinstall 64 Dec 8 08:39 10 -> /u01/app/oracle/product/11201/db_1/rdbms/audit/CRMV_ora_14293_1.aud l-wx------ 1 oracle oinstall 64 Dec 8 08:39 11 -> /u01/app/oracle/diag/rdbms/crmv/CRMV/trace/CRMV_ora_14293.trc l-wx------ 1 oracle oinstall 64 Dec 8 08:39 12 -> pipe:[34585895] l-wx------ 1 oracle oinstall 64 Dec 8 08:39 13 -> /u01/app/oracle/diag/rdbms/crmv/CRMV/trace/CRMV_ora_14293.trm l-wx------ 1 oracle oinstall 64 Dec 8 08:39 2 -> /dev/null lr-x------ 1 oracle oinstall 64 Dec 8 08:39 3 -> /dev/null lr-x------ 1 oracle oinstall 64 Dec 8 08:39 4 -> /dev/null lr-x------ 1 oracle oinstall 64 Dec 8 08:39 5 -> /u01/app/oracle/product/11201/db_1/rdbms/mesg/oraus.msb lr-x------ 1 oracle oinstall 64 Dec 8 08:39 6 -> /proc/14293/fd lr-x------ 1 oracle oinstall 64 Dec 8 08:39 7 -> /dev/zero lrwx------ 1 oracle oinstall 64 Dec 8 08:39 8 -> /home/oracle/dbcapture/capfiles/inst1/aa/wcr_c6hp4h0000018.rec lr-x------ 1 oracle oinstall 64 Dec 8 08:39 9 -> pipe:[34585894] ?????lsof?? [root@mlab2 ~]# lsof|grep wcr_c6hp4h0000018.rec oracle 14293 oracle 8u REG 8,1 0 17629644 /home/oracle/dbcapture/capfiles/inst1/aa/wcr_c6hp4h0000018.rec ????????,??Server Process????WCR REC??,?Server Process LOGON?????? 3.????SQL??: SQL> select 1 from dual; 1 ---------- 1 SQL> / 1 ---------- 1 [oracle@mlab2 aa]$ strings wcr_c6hp4h0000018.rec ==»????SQL????, ??????? ??????SQL???,???????????????WCR??????,LOGON???????????SQL????,????????? [oracle@mlab2 aa]$ strings wcr_c6hp4h0000018.rec 11.2.0.3.0 *File header info. (Shadow process='14293') D0576B5D710A34F4E043B201A8C0ECFE SYS; NLS_LANGUAGE? AMERICAN> NLS_TERRITORY? AMERICA> NLS_CURRENCY? NLS_ISO_CURRENCY? AMERICA> NLS_NUMERIC_CHARACTERS? NLS_CALENDAR? GREGORIAN> NLS_DATE_FORMAT? DD-MON-RR> NLS_DATE_LANGUAGE? AMERICAN> NLS_CHARACTERSET? AL32UTF8> NLS_SORT? BINARY> NLS_TIME_FORMAT? HH.MI.SSXFF AM> NLS_TIMESTAMP_FORMAT? DD-MON-RR HH.MI.SSXFF AM> NLS_TIME_TZ_FORMAT? HH.MI.SSXFF AM TZR> NLS_TIMESTAMP_TZ_FORMAT? DD-MON-RR HH.MI.SSXFF AM TZR> NLS_DUAL_CURRENCY? NLS_SPECIAL_CHARS? NLS_NCHAR_CHARACTERSET? UTF8> NLS_COMP? BINARY> NLS_LENGTH_SEMANTICS? BYTE> NLS_NCHAR_CONV_EXCP? FALSE (DESCRIPTION=(ADDRESS=(PROTOCOL=beq)(PROGRAM=/u01/app/oracle/product/11201/db_1/bin/oracle)(ARGV0=oracleCRMV)(ARGS='(DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))')(DETACH=NO))(CONNECT_DATA=(CID=(PROGRAM=sqlplus)(HOST=mlab2.oracle.com)(USER=oracle)))) ,[email protected] (TNS V1-V3)U tselect spid from v$process where addr = ( select paddr from v$session where sid=(select distinct sid from v$mystat)) ` _ select 1 from dual select 1 from dual ??????????????????? [oracle@mlab2 aa]$ strings wcr_c6hp4h0000018.rec 9`9_^B create table vva(t1 int) `:_i :`:_iB `;_^ ;`;_^B create table vva(t1 int) `_i >`>_iB FusC `?_^ ?`?_^B FvWC _begin for i in 1..50000 loop execute immediate 'select 1 from dual where 2='||i; end loop; end; ?SERVER PROCESS LOGOFF ??????? C`E_ B k^2C ????Server Process????parse?execution???WCR??,??????????PGA?,????????????,????????,?????WCR???????????,???????? 4. ?????? SQL> oradebug setmypid Statement processed. SQL> oradebug dump processstate 10; Statement processed. SQL> oradebug tracefile_name /u01/app/oracle/diag/rdbms/crmv/CRMV/trace/CRMV_ora_14293.trc ?processstate ??????????????? WCR: capture file IO write,??Server process??WCR ?? 3: waited for 'SQL*Net message to client' driver id=0x62657100, #bytes=0x1, =0x0 wait_id=139 seq_num=140 snap_id=1 wait times: snap=0.000007 sec, exc=0.000007 sec, total=0.000007 sec wait times: max=infinite wait counts: calls=0 os=0 occurred after 0.934091 sec of elapsed time 4: waited for 'latch: shared pool' address=0x60106b20, number=0x133, tries=0x0 wait_id=138 seq_num=139 snap_id=1 wait times: snap=0.000066 sec, exc=0.000066 sec, total=0.000066 sec wait times: max=infinite wait counts: calls=0 os=0 occurred after 1.180690 sec of elapsed time 5: waited for 'WCR: capture file IO write' =0x0, =0x0, =0x0 wait_id=137 seq_num=138 snap_id=1 wait times: snap=0.000189 sec, exc=0.000189 sec, total=0.000189 sec wait times: max=infinite wait counts: calls=0 os=0 occurred after 3.122783 sec of elapsed time 6: waited for 'WCR: capture file IO write' =0x0, =0x0, =0x0 wait_id=136 seq_num=137 snap_id=1 wait times: snap=0.000191 sec, exc=0.000191 sec, total=0.000191 sec wait times: max=infinite wait counts: calls=0 os=0 occurred after 3.053132 sec of elapsed time 7: waited for 'WCR: capture file IO write' 5.??PGA???? SQL> oradebug dump heapdump 536870917; Statement processed. grep WCR /u01/app/oracle/diag/rdbms/crmv/CRMV/trace/CRMV_ora_14293.trc Chunk 7fb1b606bfc0 sz= 65600 freeable "WCR Capture PG " ds=0x7fb1b6115f90 Chunk 7fb1b6111e18 sz= 4224 freeable "WCR Capture PG " ds=0x7fb1b6115f90 Chunk 7fb1b6112e98 sz= 4184 freeable "WCR Capture PG " ds=0x7fb1b6115f90 Chunk 7fb1b6113ef0 sz= 4224 freeable "WCR Capture PG " ds=0x7fb1b6115f90 Chunk 7fb1b6114f70 sz= 4104 recreate "WCR Capture PG " latch=(nil) Chunk 7fb1b6115f78 sz= 160 freeable "WCR Capture PGA" Chunk 7fb1b6116018 sz= 3248 freeable "WCR Capture PGA" Subheap ds=0x7fb1b6115f90 heap name= WCR Capture PG size= 82336 HEAP DUMP heap name="WCR Capture PG" desc=0x7fb1b6115f90 FIVE LARGEST SUB HEAPS for heap name="WCR Capture PG" desc=0x7fb1b6115f9 PGA???WCR Capture PG ?WCR Capture PGA?freeable or recreate??chunk,???????Server Process???OS Chunk 7fb1b606bfc0 sz= 65600 freeable "WCR Capture PG " ds=0x7fb1b6115f90 sz= 65600=» 64k ??????????64k??,???????????????64k WCR????????????:)! 6.???? ??WCR CAPTURE????????2? SQL> SELECT x.ksppinm NAME, y.ksppstvl VALUE, x.ksppdesc describ 2 FROM SYS.x$ksppi x, SYS.x$ksppcv y 3 WHERE x.inst_id = USERENV ('Instance') 4 AND y.inst_id = USERENV ('Instance') 5 AND x.indx = y.indx 6 AND x.ksppinm in ('_capture_buffer_size','_wcr_control'); NAME VALUE DESCRIB -------------------- -------------------- ------------------------------------------------------------ _wcr_control 0 Oracle internal test WCR parameter used ONLY for testing! _capture_buffer_size 65536 To set the size of the PGA I/O recording buffers ??_capture_buffer_size ??PGA?WCR BUFFER?SIZE,???64k _wcr_control ??WCR?????,?????? ????,??????: 1. ???WCR WORKLOAD CAPTURE???????????,??Server Process????(????)2. ???server process????WCR??3. Server Proess???LOGON?LOGOFF?SQL?????????WCR???4. Server Process????????Immediate mode,????????PGA?(WCR Capture) subheap?,??????????????(timeout?????)5. ????, Server Process????????Immediate mode,?capture????parse??execution??(?????capture???parse?????????????,parse????capture???),?????LOGON?SQL??(???????)??PGA?WCR Capture?????,???????,????????,??tpcc??????4.5%6. ????_capture_buffer_size ??PGA?WCR BUFFER?SIZE,???64k7. WCR Capture?????binrary 2????,?????,????????????????WCR capture file8. WCR: capture file IO write?????Server Process??WCR??

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• howto mount usb disk on esxi

  - by maruti

  have a USB drive NTFS attached to ESXi4 host. fdisk -l shows the device as /dev/mpx.... but when i try to mount that using mount /dev/xxx /mnt/usbdisk....it fails with message "no such file or dir" could anyone help with correct entry in etc/fstab? all that i am trying to do is backup the vms on esxi host to usb disk...thanks in advance

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