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• Can I upgrade the CPU in my Lenovo 3000 N100 laptop?

  - by Pavel

  I've got an Intel Core Duo T2300 in my laptop (Lenovo 3000 N100, 0768-49G). Here is what I could find out about it: $ sudo dmidecode # dmidecode 2.11 SMBIOS 2.4 present. 42 structures occupying 1436 bytes. Table at 0x000DC010. Handle 0x0000, DMI type 0, 24 bytes BIOS Information Vendor: LENOVO Version: 61ET37WW Release Date: 06/04/07 Address: 0xE6B70 [...] Handle 0x0002, DMI type 2, 8 bytes Base Board Information Manufacturer: LENOVO Product Name: CAPELL VALLEY(NAPA) CRB [...] Handle 0x0004, DMI type 4, 35 bytes Processor Information Socket Designation: U2E1 Type: Central Processor Family: Other Manufacturer: Intel ID: E8 06 00 00 FF FB E9 BF Version: Genuine Intel(R) CPU T2300 @ 1.66GHz Voltage: 3.3 V External Clock: 166 MHz Max Speed: 2048 MHz Current Speed: 1600 MHz Status: Populated, Enabled Upgrade: ZIF Socket L1 Cache Handle: 0x0005 L2 Cache Handle: 0x0006 L3 Cache Handle: Not Provided Serial Number: Not Specified Asset Tag: Not Specified Part Number: Not Specified $ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 14 model name : Genuine Intel(R) CPU T2300 @ 1.66GHz stepping : 8 microcode : 0x39 cpu MHz : 1000.000 cache size : 2048 KB I believe the chipset is "Mobile Intel 945GM Express", but I don't know how to verify it on a Linux system. I'm not sure about the socket, but Intel claims "Sockets Supported: PBGA479, PPGA478". Now, I'd like to upgrade to the fastest compatible CPU available, but I'm a bit lost in all the details. Can you guys help me out with a couple of questions, please? What CPUs can I choose from? (I think it's only the Core2Duo line, but it should be enough for an upgrade) Can I use a 64-bit CPU? Can I use a CPU with a higher FSB than 667 MHz? Do I have to worry about additional cooling, or is it enough to check for similar voltage/TDP values? Thank you!

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• Apache HTTPD - Segmentation fault when loading mod_jk module

  - by hansengel

  I just set up mod_jk with my Apache httpd 2.0.52 installation, but now when I try to start Apache, it has a segmentation fault. I've checked that I am using the mod_jk compiled for 2.0.x.. built against the same version I have, in fact. I've also verified that the path I'm giving to LoadModule is correct, and the permissions and the ownership of the file are the same as the rest of the modules'. When I remove the "LoadModule" command for mod_jk from my httpd.conf, there is no segmentation fault. Nothing shows in Apache's error logs. I have tried restarting the server with this module using both service httpd restart and httpd. These are the last few lines returned of strace httpd -X: gettimeofday({1292100295, 434487}, NULL) = 0 socket(PF_INET6, SOCK_STREAM, IPPROTO_IP) = -1 EAFNOSUPPORT (Address family not supported by protocol) socket(PF_NETLINK, SOCK_RAW, 0) = 3 bind(3, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 0 getsockname(3, {sa_family=AF_NETLINK, pid=22378, groups=00000000}, [12]) = 0 time(NULL) = 1292100295 sendto(3, "\24\0\0\0\26\0\1\3\307\342\3M\0\0\0\0\0\305\333\267", 20, 0, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 20 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"<\0\0\0\24\0\2\0\307\342\3MjW\0\0\2\10\200\376\1\0\0\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 664 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\24\0\0\0\3\0\2\0\307\342\3MjW\0\0\0\0\0\0\1\0\0\0\10\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 20 close(3) = 0 socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = 3 --- SIGSEGV (Segmentation fault) @ 0 (0) --- +++ killed by SIGSEGV +++ Process 22378 detached Has anyone had a similar problem using Apache 2.0.52 with mod_jk? I might try downloading and building the source for the Apache server and mod_jk myself if there isn't a discovered fix for this.

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• yum error when installing memcached

  - by Jack

  Hi, trying to install memcached with "yum install memcached" and i'm getting all these errors which I have no idea how to solve. Setting up Install Process Resolving Dependencies -- Running transaction check --- Package memcached.x86_64 0:1.4.5-1.el5.rf set to be updated -- Processing Dependency: perl(AnyEvent) for package: memcached -- Processing Dependency: perl(AnyEvent::Socket) for package: memcached -- Processing Dependency: perl(AnyEvent::Handle) for package: memcached -- Processing Dependency: perl(YAML) for package: memcached -- Processing Dependency: perl(Term::ReadKey) for package: memcached -- Processing Dependency: libevent-1.1a.so.1()(64bit) for package: memcached -- Running transaction check --- Package compat-libevent-11a.x86_64 0:3.2.1-1.el5.rf set to be updated --- Package memcached.x86_64 0:1.4.5-1.el5.rf set to be updated -- Processing Dependency: perl(AnyEvent) for package: memcached -- Processing Dependency: perl(AnyEvent::Socket) for package: memcached -- Processing Dependency: perl(AnyEvent::Handle) for package: memcached -- Processing Dependency: perl(YAML) for package: memcached -- Processing Dependency: perl(Term::ReadKey) for package: memcached -- Finished Dependency Resolution memcached-1.4.5-1.el5.rf.x86_64 from rpmforge has depsolving problems -- Missing Dependency: perl(AnyEvent::Socket) is needed by package memcached-1.4.5-1.el5.rf.x86_64 (rpmforge) memcached-1.4.5-1.el5.rf.x86_64 from rpmforge has depsolving problems -- Missing Dependency: perl(AnyEvent) is needed by package memcached-1.4.5-1.el5.rf.x86_64 (rpmforge) memcached-1.4.5-1.el5.rf.x86_64 from rpmforge has depsolving problems -- Missing Dependency: perl(AnyEvent::Handle) is needed by package memcached-1.4.5-1.el5.rf.x86_64 (rpmforge) memcached-1.4.5-1.el5.rf.x86_64 from rpmforge has depsolving problems -- Missing Dependency: perl(YAML) is needed by package memcached-1.4.5-1.el5.rf.x86_64 (rpmforge) memcached-1.4.5-1.el5.rf.x86_64 from rpmforge has depsolving problems -- Missing Dependency: perl(Term::ReadKey) is needed by package memcached-1.4.5-1.el5.rf.x86_64 (rpmforge) Packages skipped because of dependency problems: compat-libevent-11a-3.2.1-1.el5.rf.x86_64 from rpmforge memcached-1.4.5-1.el5.rf.x86_64 from rpmforge The perl modules that its complaining about are already installed. Any ideas?

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• Setting up AJP with JBoss 7

  - by purlogic

  I have two different versions of JBoss on a server, JBoss 6.0 Final and JBoss 7.0.2. I can one run or the other by switching a couple of sym links and issuing a "service jboss start" command. I am, by no means, an expert in JBoss, however JBoss 6.0 appears to have AJP running out of the box with no initial configuration required on port 8009. With JBoss 7, however, I had to vi the file "standalone/configuration/standalone.xml" and add a few entries. Those entries are: In the <subsystem /> tag, I added: <connector name="ajp" protocol="AJP/1.3" socket-binding="ajp" /> In the <socket-binding-group /> tag I added: <socket-binding name="ajp" port="8009"/> Then in Apache's configuration file (httpd.conf), I added: <Proxy *> AddDefaultCharset Off Order deny,allow Allow from all </Proxy> ProxyPass /app ajp://localhost:8009/app ProxyPassReverse /app ajp://localhost:8009/app AJP proxying works with 6, not with 7... I assume it's because I haven't properly set up AJP in JBoss 7 and not entirely sure how to do that. I have searched documentation on their site with not a lot of specifics on how to do so. Any help or insight into setting up AJP with JBoss 7 would be much appreciated!!

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• nginx+mysql5 loadtesting configuration strangeness

  - by genseric

  i am trying to setup a new server running on debian6 and trying to make it work smooth under load. i ve used a wordpress site as a test object, and tried the configurations on http://blitz.io. when i increase the mysql max_connections from 50 to 200 lots of timeouts start to occur. but on 50 , no timeouts and pretty well response times. nginx configuration is fine , i tuned the config so i dont see errors. so i presume it's related to the other configuration options of my.cnf . i read some about options but still cant find what max_connections problem is all about. btw, the server has 16gb of ram and a fine i7 cpu. here is the current my.cnf [client] port = 3306 socket = /var/run/mysqld/mysqld.sock [mysqld_safe] socket = /var/run/mysqld/mysqld.sock nice = 0 [mysqld] wait_timeout=60 connect_timeout=10 interactive_timeout=120 user = mysql pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp language = /usr/share/mysql/english skip-external-locking bind-address = 127.0.0.1 key_buffer = 384M max_allowed_packet = 16M thread_stack = 192K thread_cache_size = 20 myisam-recover = BACKUP max_connections = 50 table_cache = 1024 thread_concurrency = 8 query_cache_limit = 2M query_cache_size = 128M expire_logs_days = 10 max_binlog_size = 100M [mysqldump] quick quote-names max_allowed_packet = 16M [mysql] #no-auto-rehash # faster start of mysql but no tab completition [isamchk] key_buffer = 16M thanks in advance. i asked this question on SO but it's closed as off topic so i believe this is a SF question.

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• How do I use postfix aliases in cyrus?

  - by Nick

  I have a cyrus mailbox called user/nrahl. If I use the 'mail' command, from the server itself, and type: mail nrahl to send a message, the message magically shows up in my Thunderbird IMAP inbox. But I need to get message from a POP3 account into Cyrus for delivery, and the messages comming in are addressed to "[email protected]". I have fetchmail setup and running, and it's downloading messages from the POP3 account, and passing them into Postfix. Postfix (now that I've got aliases set up in /etc/alias) is accepting the message, and passing it to the Cyrus socket. But here's the problem: Cyrus is rejecting the message with a 550 - mailbox unknown error. The actual message in /var/log/mail.log is: Apr 17 16:56:57 IMAP cyrus/lmtpunix[5640]: verify_user(user.fetchmail) failed: Mailbox does not exist Apr 17 16:56:57 IMAP postfix/lmtp[5561]: CFFD61556BD: to=, relay=localhost[/var/run/cyrus/socket/lmtp], delay=0.08, delays=0.07/0/0/0.01, dsn=5.1.1, status=bounced (host localhost[/var/run/cyrus/socket/lmtp] said: 550-Mailbox unknown. Either there is no mailbox associated with this 550-name or you do not have authorization to see it. 550 5.1.1 User unknown (in reply to RCPT TO command)) It looks like it's trying to forward all of nrahl's mail to postfix@localhost, instead of nrahl@localhost, and I don't know why. I need it to forward mail addressed to [email protected] into Cyrus's "nrahl" mailbox.

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• Apache HTTPD - Segmentation fault when loading mod_jk module

  - by Hans Engel

  I just set up mod_jk with my Apache httpd 2.0.52 installation, but now when I try to start Apache, it has a segmentation fault. I've checked that I am using the mod_jk compiled for 2.0.x.. built against the same version I have, in fact. I've also verified that the path I'm giving to LoadModule is correct, and the permissions and the ownership of the file are the same as the rest of the modules'. When I remove the "LoadModule" command for mod_jk from my httpd.conf, there is no segmentation fault. Nothing shows in Apache's error logs. I have tried restarting the server with this module using both service httpd restart and httpd. These are the last few lines returned of strace httpd -X: gettimeofday({1292100295, 434487}, NULL) = 0 socket(PF_INET6, SOCK_STREAM, IPPROTO_IP) = -1 EAFNOSUPPORT (Address family not supported by protocol) socket(PF_NETLINK, SOCK_RAW, 0) = 3 bind(3, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 0 getsockname(3, {sa_family=AF_NETLINK, pid=22378, groups=00000000}, [12]) = 0 time(NULL) = 1292100295 sendto(3, "\24\0\0\0\26\0\1\3\307\342\3M\0\0\0\0\0\305\333\267", 20, 0, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 20 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"<\0\0\0\24\0\2\0\307\342\3MjW\0\0\2\10\200\376\1\0\0\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 664 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\24\0\0\0\3\0\2\0\307\342\3MjW\0\0\0\0\0\0\1\0\0\0\10\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 20 close(3) = 0 socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = 3 --- SIGSEGV (Segmentation fault) @ 0 (0) --- +++ killed by SIGSEGV +++ Process 22378 detached Has anyone had a similar problem using Apache 2.0.52 with mod_jk? I might try downloading and building the source for the Apache server and mod_jk myself if there isn't a discovered fix for this.

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• Segmentation fault on login to mysql

  - by numberwhun

  Hello everyone! I recently did a fresh install of Ubuntu on my laptop (HP dv7, AMD Dual Core with 4 gigs RAM). I am working on installing my development environment and tools and one of the first things I was working on is getting MySQL installed. The following was my configure statement with options: ./configure --prefix=/usr/local/mysql --with-big-tables --with-unix-socket-path=/usr/local/mysql/tmp/mysql.sock --with-named-curses-libs=/lib/libncurses.so.5.7 After I did the make;make install, I did the post configuration such as setting the root password and installing the mysqld daemon in its rightful place. My issue is when I try to log in to mysql to start using it, the following shows what happens: $ mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.1.42 Source distribution Segmentation fault I have searched Google extensively, I have searched through the mysql bugs database and I have yet to find anything that matches my issue. Here is the contents of my my.cnf file, in case you want to see it: $ cat /etc/my.cnf [mysqld] basedir=/usr/local/mysql datadir=/usr/local/mysql socket=/usr/local/mysql/tmp/mysql.sock [mysql.server] user=mysql #basedir=/var/lib [client] socket=/usr/local/mysql/tmp/mysql.sock [mysqld_safe] err-log=/usr/local/mysql/logs/mysqld.log pid-file=/var/run/mysqld/mysqld.pid I am really hoping that someone here can tell me what has gone wrong with my installation as I would really love to know. I welcome and look forward to all responses. Thank you in advance! Best regards, Jeff

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• mysql is not connecting after data directory change

  - by user123827

  I've changed data directory in /etc/my.cnf. datadir=/data/mysql socket=/data/mysql/mysql.sock I also moved mysql folder from /var/lib/mysql/ to /data/mysql Now when i connect to mysql i get following error: [root@youradstats-copy mysql]# mysql ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) also when i see /var/logs/msqld.log i get following messages in that: InnoDB: Setting log file /data/mysql/ib_logfile0 size to 512 MB InnoDB: Database physically writes the file full: wait... InnoDB: Progress in MB: 100 200 300 400 500 120704 7:43:31 InnoDB: Log file /data/mysql/ib_logfile1 did not exist: new to be created InnoDB: Setting log file /data/mysql/ib_logfile1 size to 512 MB InnoDB: Database physically writes the file full: wait... InnoDB: Progress in MB: 100 200 300 400 500 InnoDB: Cannot initialize created log files because InnoDB: data files are corrupt, or new data files were InnoDB: created when the database was started previous InnoDB: time but the database was not shut down InnoDB: normally after that. 120704 7:43:36 [ERROR] Plugin 'InnoDB' init function returned error. 120704 7:43:36 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. I shut down mysql properly before doing these changes and then started it properly but dont know why getting these messages. please help to solve issue as i have changed socket path in my.cnf but still its pointing to old path...

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• GlusterFS is failing to mount on boot

  - by J. Pablo Fernández

  I'm running the official GlusterFS 3.5 packages on Ubuntu 12.04 and everything seems to be working fine, except mounting the GlusterFS volumes at boot time. This is what I see in the log files: [2014-06-13 08:52:28.139382] I [glusterfsd.c:1959:main] 0-/usr/sbin/glusterfs: Started running /usr/sbin/glusterfs version 3.5.0 (/usr/sbin/glusterfs --volfile-server=koraga --volfile-id=/private_uploads /var/www/shared/private/uploads) [2014-06-13 08:52:28.147186] I [socket.c:3561:socket_init] 0-glusterfs: SSL support is NOT enabled [2014-06-13 08:52:28.147237] I [socket.c:3576:socket_init] 0-glusterfs: using system polling thread [2014-06-13 08:52:28.148183] E [socket.c:2161:socket_connect_finish] 0-glusterfs: connection to 176.58.113.205:24007 failed (Connection refused) [2014-06-13 08:52:28.148236] E [glusterfsd-mgmt.c:1601:mgmt_rpc_notify] 0-glusterfsd-mgmt: failed to connect with remote-host: koraga (No data available) [2014-06-13 08:52:28.148251] I [glusterfsd-mgmt.c:1607:mgmt_rpc_notify] 0-glusterfsd-mgmt: Exhausted all volfile servers [2014-06-13 08:52:28.148477] W [glusterfsd.c:1095:cleanup_and_exit] (-->/usr/lib/x86_64-linux-gnu/libgfrpc.so.0(rpc_transport_notify+0x27) [0x7fe077f8e0f7] (-->/usr/lib/x86_64-linux-gnu/libgfrpc.so.0(rpc_clnt_notify+0x1a4) [0x7fe077f91cc4] (-->/usr/sbin/glusterfs(+0xcada) [0x7fe078655ada]))) 0-: received signum (1), shutting down [2014-06-13 08:52:28.148513] I [fuse-bridge.c:5444:fini] 0-fuse: Unmounting '/var/www/shared/private/uploads'. My fstab contains: proc /proc proc defaults 0 0 /dev/xvda / ext4 noatime,errors=remount-ro 0 1 /dev/xvdb none swap sw 0 0 /dev/xvdc /var/lib/glusterfs/brick01 ext4 defaults 1 2 koraga:/private_uploads /var/www/shared/private/uploads glusterfs defaults,_netdev 0 0 Any ideas what's going on and/or how to fix it?

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• Moving MySQL directory on an Amazon EC2 machine

  - by Traveling Tech Guy

  I'm trying to have MySQL point to a directory on an EBS volume I mounted on my EC2 machine. I took th following steps: Stopped MySQL (/etc/init.d/mysqld stop) - successful Created a MySQL directory on my volume, mounted on /vol (mkdir /vol/mysql) Copied the contents of /var/lib/mysql to /vol/mysql (cp -R /var/lib/mysql /vol/mysql) Chanded the owner and group of that directory to match the original (chown -R mysql:mysql /vol/mysql) - after this step, the 2 directories are identical. Edited the /etc/my.cnf file (commented 2 original lines): [mysqld] #datadir=/var/lib/mysql #socket=/var/lib/mysql/mysql.sock datadir=/vol/mysql socket=/vol/mysql/mysql.sock` Started MySQL (/etc/init.d/mysqld start) - FAILED The error file /var/log/mysqld.log contains the following lines: 100205 20:52:54 mysqld started 100205 20:52:54 InnoDB: Started; log sequence number 0 43665 100205 20:52:54 [Note] /usr/libexec/mysqld: ready for connections. Version: '5.0.45' socket: '/vol/mysql/mysql.sock' port: 3306 Source distribution No other errors are available. What am I doing wrong? Where can I find the error/s encountered by MySql? If I restore the original lines, MySQL starts, leading me to believe it may be a permissions issue - but permissions are the same for both directories? Thanks!

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• mysqld-nt.exe exist in task list, but actually it's not running?

  - by PHP

  mysqld-nt.exe is showing in the task manager, but I cannot connect to it. I tried: telnet localhost 3306 And it fails to connect. So I restarted the server,and it's ok. This happens every day. Any ideas? EDIT Here is the error log(I didn't find anything abnormal though): 100122 10:11:16 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Normal shutdown 100122 10:11:16 InnoDB: Starting shutdown... 100122 10:11:18 InnoDB: Shutdown completed; log sequence number 0 22939338 100122 10:11:18 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Shutdown complete 100122 10:12:40 InnoDB: Started; log sequence number 0 22939338 100122 10:12:42 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: ready for connections. Version: '5.0.24-community-nt' socket: '' port: 3306 MySQL Community Edition (GPL) 100123 16:20:44 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Normal shutdown 100123 16:20:44 InnoDB: Starting shutdown... 100123 16:20:46 InnoDB: Shutdown completed; log sequence number 0 22939832 100123 16:20:46 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Shutdown complete 100123 16:22:09 InnoDB: Started; log sequence number 0 22939832 100123 16:22:11 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: ready for connections. Version: '5.0.24-community-nt' socket: '' port: 3306 MySQL Community Edition (GPL) 100125 9:18:59 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Normal shutdown 100125 9:18:59 InnoDB: Starting shutdown... 100125 9:19:00 InnoDB: Shutdown completed; log sequence number 0 22941001 100125 9:19:00 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Shutdown complete 100125 9:20:22 InnoDB: Started; log sequence number 0 22941001 100125 9:20:25 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: ready for connections. Version: '5.0.24-community-nt' socket: '' port: 3306 MySQL Community Edition (GPL)

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• VPN issue: SSTP Service service started and then stopped

  - by Ampersand

  When I was trying to set up a VPN connect on my laptop running Windows 7 Ultimate, I got this error: Network Connections Cannot load the Remote Access Connection Manager service. Error 711: The operation could not finish because it could not start the Remote Access Connection Manager service in time. Please try the operation again. I traced through some service dependencies and discovered that Secure Socket Tunneling Protocol Service was set to Manual. However, when I try to manually start the service, I get: Services The Secure Socket Tunneling Protocol Service on Local Computer started and then stopped. Some services stop automatically if they are not in use by other services or programs. Setting all the services involved to Automatic did not help. SSTP just showed Automatic and Stopped in the Services panel. I found a solution that involved booting in Safe Mode and deleting the contents of C:\Windows\System32\LogFiles\WMI\RtBackup. This solution worked, and I could set up a vpn connection, but only until I rebooted again. TL;DR I'm looking for a way to permanently enable Secure Socket Tunneling Protocol Service and other vpn-related services permanently so I don't have to reboot into safe mode and delete files every time I need to connect to a vpn.

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• Appears to be "randomly" switching between the acl matched backend and the default backend

  - by Xoor

  I have HAProxy acting as a proxy in front of: An NGinx instance An in-house load balancer in front of multiple dynamic services exposed with socket.io (websockets) My problem is that from time to time my connections are proxied correctly to my socket.io cluster, and then randomly it fallsback to routing to NGinx which obviously is annoying and meaningless since NGinx isn't mean't to handle the request. This happens when requesting for URLs of the format : http://mydomain.com/backends/* There's an ACL in the HAProxy config to match the '/backends/*' path. Here's a simplified version of my HAProxy config (removed extra unrelated entries and changed names): global daemon maxconn 4096 user haproxy group haproxy nbproc 4 defaults mode http timeout server 86400000 timeout connect 5000 log global #this frontend interface receives the incoming http requests frontend http-in mode http #process all requests made on port 80 bind *:80 #set a large timeout for websockets timeout client 86400000 # Default Backend default_backend www_backend # Loadfire (socket cluster) acl is_loadfire_backends path_beg /backends use_backend loadfire_backend if is_loadfire_backends # NGinx backend backend www_backend server www_nginx localhost:12346 maxconn 1024 # Loadfire backend backend loadfire_backend option forwardfor # This sets X-Forwarded-For option httpclose server loadfire localhost:7101 maxconn 2048 It's really quite confusing for me why the behaviour appears to be "random", since being hard to reproduce it's hard to debug. I appreciate any insight on this.

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• OpenVZ Can't initialize containers after install

  - by Tonino Jankov

  I have installed OpenVZ on centos 6 on a dedicated server. I followed quick installation guide on openvz wiki. After installing thru yum, I don't know why, but grub.conf wasn't automatically updated to accomodate new kernel, so I had to do it manually. I edited grub.conf, added openvz kernel and rebooted - it went fine. Server went up into openvz kernel and it worked, it started openvz service byitself. But after I created a container, added IP to it and attempted to start it, I couldn't. Here is the output from the shell: [root@cloud2 ~]# vzctl start 86 Starting container ... Container is mounted Container start failed (try to check kernel messages, e.g. "dmesg | tail") Container is unmounted [root@cloud2 ~]# dmesg | tail [ 1973.401596] CT: 86: failed to start with err=-105 [ 2107.113850] Failed to initialize the ICMP6 control socket (err -105). [ 2107.155523] CT: 86: stopped [ 2107.155543] CT: 86: failed to start with err=-105 [ 6348.282184] Failed to initialize the ICMP6 control socket (err -105). [ 6348.330348] CT: 86: stopped [ 6348.330361] CT: 86: failed to start with err=-105 [45184.024002] Failed to initialize the ICMP6 control socket (err -105). [45184.072086] CT: 86: stopped [45184.072099] CT: 86: failed to start with err=-105 [root@cloud2 ~]# I don't know what is wrong. I tried different templates, debian 6, centos 6, i386, amd64, but the issue is the same. What is the problem?

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• How to setup Python with Lighttpd and FastCGI (like PHP)

  - by johndir

  Running Lighttpd on Linux, I would like to be able to execute Python scripts just the way I execute PHP scripts. The goal is to be able to execute arbitrary script files stored in the WWW directory, e.g. http://www.example.com/*.py. I would not like to spawn a new Python instance (interpreter) for every request (like done in regular CGI, if I'm not mistaken), which is why I'm using FastCGI. Following Lighttpd's documentation, the following is the FastCGI part of my config file. The problem is that it always runs the /usr/local/bin/python-fcgi script for every *.py file, regardless of the content of that file: http://www.example.com/script.py [output=>] "python-fcgi: test" (regardless of the content of script.py) I'm not interested in using any framework, but simply executing individual [web] scripts. How can I make it act like PHP, executing any script in the WWW directory by requesting it's path? /etc/lighttpd/conf.d/fastcgi.conf: server.modules += ( "mod_fastcgi" ) index-file.names += ( "index.php" ) fastcgi.server = ( ".php" => ( "localhost" => ( "bin-path" => "/usr/bin/php-cgi", "socket" => "/var/run/lighttpd/php-fastcgi.sock", "max-procs" => 4, # default value "bin-environment" => ( "PHP_FCGI_CHILDREN" => "1", # default value ), "broken-scriptfilename" => "enable" ) ), ".py" => ( "python-fcgi" => ( "socket" => "/var/run/lighttpd/fastcgi.python.socket", "bin-path" => "/usr/local/bin/python-fcgi", "check-local" => "disable", "max-procs" => 1, ) ) ) /usr/local/bin/python-fcgi: #!/usr/bin/python2 def myapp(environ, start_response): start_response('200 OK', [('Content-Type', 'text/plain')]) return ['python-fcgi: test\n'] if __name__ == '__main__': from flup.server.fcgi import WSGIServer WSGIServer(myapp).run()

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• MySQL password changed every other day in windows?

  - by PHP

  Every morning when I check server status,I will find MySQL's password is changed: mysql -uuser -ppassword will report ERROR 1045 (28000): Access denied for user 'user'@'localhost' (using password: YES) And then I restart server,and when it's up,MySQL will be back to normal. It has now become a routinely job. What can be the cause for this? How can I know what's exactly happening to MySQL? Here is the error log: 100122 10:11:16 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Normal shutdown 100122 10:11:16 InnoDB: Starting shutdown... 100122 10:11:18 InnoDB: Shutdown completed; log sequence number 0 22939338 100122 10:11:18 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Shutdown complete 100122 10:12:40 InnoDB: Started; log sequence number 0 22939338 100122 10:12:42 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: ready for connections. Version: '5.0.24-community-nt' socket: '' port: 3306 MySQL Community Edition (GPL) 100123 16:20:44 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Normal shutdown 100123 16:20:44 InnoDB: Starting shutdown... 100123 16:20:46 InnoDB: Shutdown completed; log sequence number 0 22939832 100123 16:20:46 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Shutdown complete 100123 16:22:09 InnoDB: Started; log sequence number 0 22939832 100123 16:22:11 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: ready for connections. Version: '5.0.24-community-nt' socket: '' port: 3306 MySQL Community Edition (GPL) 100125 9:18:59 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Normal shutdown 100125 9:18:59 InnoDB: Starting shutdown... 100125 9:19:00 InnoDB: Shutdown completed; log sequence number 0 22941001 100125 9:19:00 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Shutdown complete 100125 9:20:22 InnoDB: Started; log sequence number 0 22941001 100125 9:20:25 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: ready for connections. Version: '5.0.24-community-nt' socket: '' port: 3306 MySQL Community Edition (GPL)

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• FastCGI on lighttpd no data received

  - by Michael Sh

  I have a simple FastCGI script: public static void main (String args[]) { int count = 0; while(new FCGIInterface().FCGIaccept()>= 0) { count ++; System.out.println("Content-type: text/html\n\n"); System.out.println("<html>"); System.out.println( "<head><TITLE>FastCGI-Hello Java stdio</TITLE></head>"); System.out.println("<body>"); System.out.println("<H3>FastCGI Hello Java stdio</H3>"); System.out.println("request number " + count + " running on host " + System.getProperty("SERVER_NAME")); System.out.println("</body>"); System.out.println("</html>"); } } Set up with lighttpd as: server.modules += ( "mod_fastcgi" ) fastcgi.debug = 1 fastcgi.server = ( "/cgi" => ( "fastcgi" => ("port" => 8888, "host" => "127.0.0.1", "bin-path" => "/var/www/tiny.fcgi", "min-procs" => 1, "max-procs" => 1, "check-local" => "disable" )) ) In the log: 2012-11-24 04:35:04: (mod_fastcgi.c.1367) --- fastcgi spawning local proc: /var/www/tiny.fcgi port: 54321 socket max-procs: 1 2012-11-24 04:35:04: (mod_fastcgi.c.1391) --- fastcgi spawning port: 54321 socket current: 0 / 1 2012-11-24 04:35:39: (mod_fastcgi.c.3061) got proc: pid: 0 socket: tcp:127.0.0.1:54321 load: 1 The problem is that there is no data being sent from the server to browser. Am I missing something here?

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• MySQL Not Turning On

  - by Shalin Shah

  I have an amazon ec2 instance running on the Amazon Linux AMI and its a micro instance. I wanted to install Django onto my server so I entered these commands wget http://www.mlsite.net/blog/wp-content/uploads/2008/11/go wget http://www.mlsite.net/blog/wp-content/uploads/2008/11/django.conf chmod 744 go ./go So after I was done, I ran sudo service httpd restart and sudo service mysqld restart and This is what came up for mysqld: Stopping mysqld: [ OK ] MySQL Daemon failed to start. Starting mysqld: [FAILED] So I deleted the django files /usr/local/python2.6.8/site-packages/django_registration.egg and I tried finding the error and I found out that in my /etc/my.cnf for the socket, it said socket=/var/lock/subsys/mysql.sock so I went to /var/lock/subsys/ and there was no mysql.sock. I tried creating one using vim but it still didn't work. Then I checked the error log and it said Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) So I am pretty much lost right now. I know it has something to do with mysql.sock If you might know a reason why this was caused could you please let me know? I have a wordpress site on my server, so i kind of need MySQL to work. Thanks!

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• How can I redirect/forward all the UDP/TCP traffic on one interface to another interface in OpenWrt

  - by Sina Sou

  I am new to networking and I have a measurement device (D) that periodically sends all its readings over few UDP multicast sockets (with different multicast IP addresses and different port numbers). That device even listens to a TCP socket simultaneously to modify its configuration on port 7234. Since the device has just a Ethernet interface for communication and I want to make it work wireless, I decided to use a very small wireless open-wrt based router that attaches to the device (D) and redirect/forward all the network traffic(Both UDP/TCP) to the router wireless interface. In order to simplify the problem assume that the Device (D) establishes following sockets (at the same time) UM_SOCK1: UDP mcast socket on 239.1.2.3 port# 50620 UM_SOCK2: UDP mcast socket on 239.1.2.4 port# 50640 TC_SOCK3: TCP DHCP/STATIC ip address 192.168.1.200 port 7234 And (D) is connected to Open-Wrt router (R) via interface en01 (Ethernet) the router has it own wireless interface on (wlan0) I want all the traffic from interface pass through wlan01 and vice versa (bi-directional) en01 <---- wlan01 What would be the minimum iptables or ... commands that I need to make this possible? Even I am wondering if traffic directing can be made easier like if the direction is not going to be based on IP addresses(not desired if the device is connected via DHCP) I would rather redirection to be Interface(en0) based or on MAC address (The best solution since my device has unique MAC address)? Thanks

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• Tuning up a MySQL server

  - by NinjaCat

  I inherited a mysql server, and so I've started with running the MySQLTuner.pl script. I am not a MySQL expert but I can see that there is definitely a mess here. I'm not looking to go after every single thing that needs fixing and tuning, but I do want to grab the major, low hanging fruit. Total Memory on the system is: 512MB. Yes, I know it's low, but it's what we have for the time being. Here's what the script had to say: General recommendations: Run OPTIMIZE TABLE to defragment tables for better performance MySQL started within last 24 hours - recommendations may be inaccurate Enable the slow query log to troubleshoot bad queries When making adjustments, make tmp_table_size/max_heap_table_size equal Reduce your SELECT DISTINCT queries without LIMIT clauses Increase table_cache gradually to avoid file descriptor limits Your applications are not closing MySQL connections properly Variables to adjust: query_cache_limit (> 1M, or use smaller result sets) tmp_table_size (> 16M) max_heap_table_size (> 16M) table_cache (> 64) innodb_buffer_pool_size (>= 326M) For the variables that it recommends that I adjust, I don't even see most of them in the mysql.cnf file. [client] port = 3306 socket = /var/run/mysqld/mysqld.sock [mysqld_safe] socket = /var/run/mysqld/mysqld.sock nice = 0 [mysqld] innodb_buffer_pool_size = 220M innodb_flush_log_at_trx_commit = 2 innodb_file_per_table = 1 innodb_thread_concurrency = 32 skip-locking big-tables max_connections = 50 innodb_lock_wait_timeout = 600 slave_transaction_retries = 10 innodb_table_locks = 0 innodb_additional_mem_pool_size = 20M user = mysql socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp skip-external-locking bind-address = localhost key_buffer = 16M max_allowed_packet = 16M thread_stack = 192K thread_cache_size = 4 myisam-recover = BACKUP query_cache_limit = 1M query_cache_size = 16M log_error = /var/log/mysql/error.log expire_logs_days = 10 max_binlog_size = 100M skip-locking innodb_file_per_table = 1 big-tables [mysqldump] quick quote-names max_allowed_packet = 16M [mysql] [isamchk] key_buffer = 16M !includedir /etc/mysql/conf.d/

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• mysqld-nt.exe exist in task list, but actually it's not running?

  - by PHP

  mysqld-nt.exe is showing in the task manager, but I cannot connect to it. I tried: telnet localhost 3306 And it fails to connect. So I restarted the server,and it's ok. This happens every day. Any ideas? EDIT Here is the error log(I didn't find anything abnormal though): 100122 10:11:16 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Normal shutdown 100122 10:11:16 InnoDB: Starting shutdown... 100122 10:11:18 InnoDB: Shutdown completed; log sequence number 0 22939338 100122 10:11:18 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Shutdown complete 100122 10:12:40 InnoDB: Started; log sequence number 0 22939338 100122 10:12:42 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: ready for connections. Version: '5.0.24-community-nt' socket: '' port: 3306 MySQL Community Edition (GPL) 100123 16:20:44 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Normal shutdown 100123 16:20:44 InnoDB: Starting shutdown... 100123 16:20:46 InnoDB: Shutdown completed; log sequence number 0 22939832 100123 16:20:46 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Shutdown complete 100123 16:22:09 InnoDB: Started; log sequence number 0 22939832 100123 16:22:11 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: ready for connections. Version: '5.0.24-community-nt' socket: '' port: 3306 MySQL Community Edition (GPL) 100125 9:18:59 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Normal shutdown 100125 9:18:59 InnoDB: Starting shutdown... 100125 9:19:00 InnoDB: Shutdown completed; log sequence number 0 22941001 100125 9:19:00 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: Shutdown complete 100125 9:20:22 InnoDB: Started; log sequence number 0 22941001 100125 9:20:25 [Note] D:\MySQL\MySQL Server 5.0\bin\mysqld-nt: ready for connections. Version: '5.0.24-community-nt' socket: '' port: 3306 MySQL Community Edition (GPL)

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• Questions about NGINX limit_req_zone

  - by Meteor

  I got a problem with NGINX limit_req_zone. Anyone can help? The problem is that, I want to limit user access to some specific URL, for example: /forum.php?mod=forumdisplay? /forum.php?mod=viewthread&*** But, I do want to add an exception for below URL, /forum.php?mod=image&* Below is the location section of my configuration, the problem is that, for URL started with /forum.php?mod=image&*, the limitation is still applied. Any body can help? location ~*^/forum.php?mod=image$ { root /web/www; fastcgi_pass unix:/tmp/nginx.socket; fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name; include fastcgi_params; } location ~*^/(home|forum|portal).php$ { root /web/www; limit_conn addr 5; limit_req zone=refresh burst=5 nodelay; fastcgi_pass unix:/tmp/nginx.socket; fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name; include fastcgi_params; } location ~ \.php$ { root /web/www; fastcgi_pass unix:/tmp/nginx.socket; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name; include fastcgi_params; }

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• cause for mysql crash

  - by user1322092

  A cron job automatically restarted my mysql database. What's the cause for the crash, or can you suggest how to resolve or monitor. I would REALLY appreciate your input. 120715 14:38:58 mysqld started 120715 14:38:58 InnoDB: Started; log sequence number 0 411137570 120715 14:38:58 [Note] /usr/libexec/mysqld: ready for connections. Version: '5.0.95' socket: '/var/lib/mysql/mysql.sock' port: 3306 Source distribution 120715 15:14:21 [Note] /usr/libexec/mysqld: Normal shutdown 120715 15:14:23 InnoDB: Starting shutdown... 120715 15:14:25 InnoDB: Shutdown completed; log sequence number 0 411166467 120715 15:14:25 [Note] /usr/libexec/mysqld: Shutdown complete 120715 08:14:25 mysqld ended 120715 08:14:26 mysqld started 120715 8:14:26 InnoDB: Started; log sequence number 0 411166467 120715 8:14:26 [Note] /usr/libexec/mysqld: ready for connections. Version: '5.0.95' socket: '/var/lib/mysql/mysql.sock' port: 3306 Source distribution 121212 09:15:32 mysqld started InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 121212 9:15:58 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 121212 9:17:28 InnoDB: Started; log sequence number 0 554145193 121212 9:17:57 [Note] /usr/libexec/mysqld: ready for connections. Version: '5.0.95' socket: '/var/lib/mysql/mysql.sock' port: 3306 Source distribution

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• WSDLException : An error occurred trying to resolve schema referenced at ...

  - by Stefano

  Hello i'm trying to generate a proxy class from a local wsdl file with eclipse Galileo and axis 2 1.4 on windows xp . My problem is that i get an error due to an imported schema inside the wsdl . The line tha troubles me is : <xsd:import namespace="http://www.w3.org/2005/05/xmlmime" schemaLocation="http://www.w3.org/2005/05/xmlmime"/> i've tried to run the wsdl2java following command: wsdl2java.bat -uri SOAService.wsdl -o D:\temp p test -d xmlbeans -a -s -ns2p -uw and i get the following exception : Exception in thread "main" org.apache.axis2.wsdl.codegen.CodeGenerationException : Error parsing WSDL at org.apache.axis2.wsdl.codegen.CodeGenerationEngine.(CodeGenerat ionEngine.java:156) at org.apache.axis2.wsdl.WSDL2Code.main(WSDL2Code.java:35) at org.apache.axis2.wsdl.WSDL2Java.main(WSDL2Java.java:24) Caused by: javax.wsdl.WSDLException: WSDLException (at /wsdl:definitions/wsdl:ty pes/xsd:schema): faultCode=OTHER_ERROR: An error occurred trying to resolve sche ma referenced at 'http://www.w3.org/2005/05/xmlmime', relative to 'file:/D:/Prog rammi/axis2-1.4/bin/SOAService.wsdl'.: java.net.ConnectException: Connection tim ed out: connect at com.ibm.wsdl.xml.WSDLReaderImpl.parseSchema(Unknown Source) at com.ibm.wsdl.xml.WSDLReaderImpl.parseSchema(Unknown Source) at com.ibm.wsdl.xml.WSDLReaderImpl.parseTypes(Unknown Source) at com.ibm.wsdl.xml.WSDLReaderImpl.parseDefinitions(Unknown Source) at com.ibm.wsdl.xml.WSDLReaderImpl.readWSDL(Unknown Source) at com.ibm.wsdl.xml.WSDLReaderImpl.readWSDL(Unknown Source) at com.ibm.wsdl.xml.WSDLReaderImpl.readWSDL(Unknown Source) at com.ibm.wsdl.xml.WSDLReaderImpl.readWSDL(Unknown Source) at com.ibm.wsdl.xml.WSDLReaderImpl.readWSDL(Unknown Source) at org.apache.axis2.wsdl.codegen.CodeGenerationEngine.readInTheWSDLFile( CodeGenerationEngine.java:288) at org.apache.axis2.wsdl.codegen.CodeGenerationEngine.(CodeGenerat ionEngine.java:111) ... 2 more Caused by: java.net.ConnectException: Connection timed out: connect at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182) at java.net.Socket.connect(Socket.java:520) at java.net.Socket.connect(Socket.java:470) at sun.net.NetworkClient.doConnect(NetworkClient.java:157) at sun.net.www.http.HttpClient.openServer(HttpClient.java:388) at sun.net.www.http.HttpClient.openServer(HttpClient.java:523) at sun.net.www.http.HttpClient.(HttpClient.java:231) at sun.net.www.http.HttpClient.New(HttpClient.java:304) at sun.net.www.http.HttpClient.New(HttpClient.java:321) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLC onnection.java:813) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConne ction.java:765) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection .java:690) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLCon nection.java:934) at java.net.URL.openStream(URL.java:1007) at com.ibm.wsdl.util.StringUtils.getContentAsInputStream(Unknown Source) i suspect it's due to the system proxy which doesn't let retrieve the xsd to the wsdl2java tool. In fact i can download the file from the browser without problems. There's an option to specify a proxy to wsdl2java or someone has resolved this issue ? For the moment i've downloaded the xsd, added it to the project and changed the wsdl to include the relative file (instead of the remote one) , but i'd prefer to avoid this , because the file is a third party service wsdl. thank you in advance for any hint Stefano

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