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  • Will this RAID5 setup work (3TB Seagate Barracudas + Adaptec RAID 6405)?

    - by Slayer537
    As the title states, will this RAID combo work, and if not what needs to be changed? Overall opinions would be most helpful. I currently run a small file server of about 5TB or so. I keep outgrowing my needs and need to build a RAID setup that will allow me to expand as needed. I am new to RAID setups, especially one of the scale I have currently planned out, but I have being doing some research for the past couple of weeks and have come up with a build. Ideally, I'd have the setup completely built, but I'd like to keep the total cost around $1k and can't afford to go above $1.5k, so unfortunately that's not an option. 2 of my current drives are WD Caviar Blacks 2TB; however, I have recently learned that due to the lack of TLER those drives are awful for any RAID setup other than 0 or 1. That being said, my third drive is a Seagate Barracuda 3TB (ST300DM001) and I have found a RAID controller that states it supports it, so I'd like to use this same type of drive, if possible. Have any of you had any experience using this drive or a similar one in a RAID5 configuration? The manufacturer states that it supports it, but knowing that it is not an enterprise drive, I am slightly concerned that it could drop out of the array. I would just go with enterprise drives, but those are about double in cost... Parts list: Storage rack: http://www.ebay.com/itm/SGI-3U-Media-Storage-Server-16-Hard-Drive-Bay-SATA-SAS-Expander-Omnistor-SE3016-/140735776937?pt=LH_DefaultDomain_0&hash=item20c48188a9 3 more HDs (for now..): http://www.amazon.com/Seagate-Barracuda-3-5-Inch-Internal-ST3000DM001/dp/B005T3GRLY/ref=dp_return_2?ie=UTF8&n=172282&s=electronics Adaptec RAID 6405: http://www.newegg.com/Product/Product.aspx?Item=N82E16816103224 here's a link to the compatibility sheet if that helps: http://download.adaptec.com/pdfs/compatibility_report/arc-sas_cr_03-27-12_series6.pdf SAS expander cable: http://www.pc-pitstop.com/sas_cables_adapters/8887-2M.asp My plan is to install the RAID card in my computer and then route the SAS cable to the rack. Setup a RAID5 on 3 drives, transfer my data over from my other drive, and then add that drive to the array. Eventually, I'd like to get a 2U unit and run the file server on that and move the RAID card over to there, but that will have to happen later on. Side note: The computer the card would be going into will be running Windows 7 Pro with 24GB of DDR3-1600 and an i7-930.

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  • WebDav issue with Mac OS X 10.5.3 onwards

    - by svnr
    Hi, We upgraded to Mac OS X 10.5.3 and getting problem when uploading files (PUT) to a webdav server (the server is Apache running on a Windows environment). When we drag and drop on to a webdav folder using Finder we get a -36 error. When looking at the stack trace of the web server the problem is due to INVALID CRLF or some times getting the following error. Both the stack point to error when copying the stream. When googled found that it is because the Mac changed to Transfer-Encoding to 'Chunked' ClientAbortException: java.net.SocketException: Software caused connection abort: socket write error at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:366) at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:433) at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:348) at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:392) at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:381) at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:88) at org.apache.commons.io.CopyUtils.copy(CopyUtils.java:200) at com.artesia.webdav.action.helper.ResponseWriterHelper.writeFileContentResponse(ResponseWriterHelper.java:206) at com.artesia.webdav.action.GetMethodAction.executeWebDavMethod(GetMethodAction.java:147) at com.artesia.webdav.action.BaseWebDavMethodAction.execute(BaseWebDavMethodAction.java:257) at com.artesia.webdav.action.BaseWebDavAction.execute(BaseWebDavAction.java:92) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507) at javax.servlet.http.HttpServlet.service(HttpServlet.java:697) at com.artesia.webdav.web.WebDavActionServlet.service(WebDavActionServlet.java:93) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069) at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:455) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507) at javax.servlet.http.HttpServlet.service(HttpServlet.java:697) at com.artesia.webdav.web.WebDavActionServlet.service(WebDavActionServlet.java:93) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at com.artesia.webdav.web.BaseWebDavServlet.forward(BaseWebDavServlet.java:91) at com.artesia.webdav.web.BaseWebDavServlet.service(BaseWebDavServlet.java:83) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.artesia.webdav.action.RequestFilter.doFilter(RequestFilter.java:46) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.artesia.webdav.web.WebDavAuthenticationFilter.doFilter(WebDavAuthenticationFilter.java:463) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.artesia.webdav.web.MacSessionHackFilter.doFilter(MacSessionHackFilter.java:111) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:595) Caused by: java.net.SocketException: Software caused connection abort: socket write error at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92) at java.net.SocketOutputStream.write(SocketOutputStream.java:136) at org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:746) at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:433) at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:348) at org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:769) at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:117) at org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:579) at org.apache.coyote.Response.doWrite(Response.java:559) at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:361)

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  • High CPU from httpd process

    - by KHWeb
    I am currently getting high CPU on a server that is just running a couple of sites with very low traffic. One of the sites is in still development going live soon. However, this site is very very slow...When browsing through its pages I can see that the CPU goes from 30% to 100% for httpd (see top output below). I have tuned httpd & MySQL, Apache Solr, Tomcat for high performance, and I am using APC. Not sure what to do from here or how to find the culprit as I have a bunch of messages on the httpd log and have been chasing dead ends for some time...any help is greatly appreciated. Server: AuthenticAMD, Quad-Core AMD Opteron(tm) Processor 2352, RAM 16GB Linux 2.6.27 64-bit, Centos 5.5 Plesk 9.5.4, MySQL 5.1.48, PHP 5.2.17 Apache/2.2.3 (CentOS) DAV/2 mod_jk/1.2.15 mod_ssl/2.2.3 OpenSSL/0.9.8e-fips-rhel5 PHP/5.2.17 mod_perl/2.0.4 Perl/v5.8.8 Tomcat6-6.0.29-1.jpp5, Tomcat-native-1.1.20-1.el5, Apache Solr top 17595 apache 20 0 1825m 507m 10m R 100.4 3.2 0:17.50 httpd 17596 apache 20 0 1565m 247m 9936 R 83.1 1.5 0:10.86 httpd 17598 apache 20 0 1430m 110m 6472 S 54.5 0.7 0:08.66 httpd 17599 apache 20 0 1438m 124m 12m S 37.2 0.8 0:11.20 httpd 16197 mysql 20 0 13.0g 2.0g 5440 S 9.6 12.6 297:12.79 mysqld 17617 root 20 0 12748 1172 812 R 0.7 0.0 0:00.88 top 8169 tomcat 20 0 4613m 268m 6056 S 0.3 1.7 6:40.56 java httpd error_log [debug] prefork.c(991): AcceptMutex: sysvsem (default: sysvsem) [info] mod_fcgid: Process manager 17593 started [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 17594 for worker proxy:reverse [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 17594 for (*) [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 17595 for worker proxy:reverse [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized [notice] child pid 22782 exit signal Segmentation fault (11) [error] (43)Identifier removed: apr_global_mutex_lock(jk_log_lock) failed [debug] util_ldap.c(2021): LDAP merging Shared Cache conf: shm=0x7fd29a5478c0 rmm=0x7fd29a547918 for VHOST: example.com [info] APR LDAP: Built with OpenLDAP LDAP SDK [info] LDAP: SSL support available [info] Init: Seeding PRNG with 256 bytes of entropy [info] Init: Generating temporary RSA private keys (512/1024 bits) [info] Init: Generating temporary DH parameters (512/1024 bits) [debug] ssl_scache_shmcb.c(374): shmcb_init allocated 512000 bytes of shared memory [debug] ssl_scache_shmcb.c(554): entered shmcb_init_memory() [debug] ssl_scache_shmcb.c(576): for 512000 bytes, recommending 4265 indexes [debug] ssl_scache_shmcb.c(619): shmcb_init_memory choices follow [debug] ssl_scache_shmcb.c(621): division_mask = 0x1F [debug] ssl_scache_shmcb.c(623): division_offset = 96 [debug] ssl_scache_shmcb.c(625): division_size = 15997 [debug] ssl_scache_shmcb.c(627): queue_size = 2136 [debug] ssl_scache_shmcb.c(629): index_num = 133 [debug] ssl_scache_shmcb.c(631): index_offset = 8 [debug] ssl_scache_shmcb.c(633): index_size = 16 [debug] ssl_scache_shmcb.c(635): cache_data_offset = 8 [debug] ssl_scache_shmcb.c(637): cache_data_size = 13853 [debug] ssl_scache_shmcb.c(650): leaving shmcb_init_memory()

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  • Apache2 cgi's crash on odbc db access (but run fine from shell)

    - by Martin
    Problem overview (details below): I'm having an apache2 + ruby integration problem when trying to connect to an ODBC data source. The main problem boils down to the fact that scripts that run fine from an interactive shell crash ruby on the database connect line when run as a cgi from apache2. Ruby cgi's that don't try to access the ODBC datasource work fine. And (again) ruby scripts that connect to a database with ODBC do fine when executed from the command line (or cron). This behavior is identical when I use perl instead of ruby. So, the issue seems to be with the environment provided for ruby (perl) by apache2, but I can't figure out what is wrong or what to do about it. Does anyone have any suggestions on how to get these cgi scripts to work properly? I've tried many different things to get this to work, and I'm happy to provide more detail of any aspect if that will help. Details: Mac OS X Server 10.5.8 Xserve 2 x 2.66 Dual-Core Intel Xeon (12 GB) Apache 2.2.13 ruby 1.8.6 (2008-08-11 patchlevel 287) [universal-darwin9.0] ruby-odbc 0.9997 dbd-odbc (0.2.5) dbi (0.4.3) mod_ruby 1.3.0 Perl -- 5.8.8 DBI -- 1.609 DBD::ODBC -- 1.23 odbc driver: DataDirect SequeLink v5.5 (/Library/ODBC/SequeLink.bundle/Contents/MacOS/ivslk20.dylib) odbc datasource: FileMaker Server 10 (v10.0.2.206) ) a minimal version of a script (anonymized) that will crash in apache but run successfully from a shell: #!/usr/bin/ruby require 'cgi' require 'odbc' cgi = CGI.new("html3") aConnection = ODBC::connect('DBFile', "username", 'password') aQuery = aConnection.prepare("SELECT zzz_kP_ID FROM DBTable WHERE zzz_kP_ID = 81044") aQuery.execute aRecord = aQuery.fetch_hash.inspect aQuery.drop aConnection.disconnect # aRecord = '{"zzz_kP_ID"=>81044.0}' cgi.out{ cgi.html{ cgi.body{ "<pre>Primary Key: #{aRecord}</pre>" } } } Example of running this from a shell: gamma% ./minimal.rb (offline mode: enter name=value pairs on standard input) Content-Type: text/html Content-Length: 134 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><HTML><BODY><pre>Primary Key: {"zzz_kP_ID"=>81044.0}</pre></font></BODY></HTML>% gamma% ) typical crash log lines: Dec 22 14:02:38 gamma ReportCrash[79237]: Formulating crash report for process perl[79236] Dec 22 14:02:38 gamma ReportCrash[79237]: Saved crashreport to /Library/Logs/CrashReporter/perl_2009-12-22-140237_HTCF.crash using uid: 0 gid: 0, euid: 0 egid: 0 Dec 22 14:03:13 gamma ReportCrash[79256]: Formulating crash report for process perl[79253] Dec 22 14:03:13 gamma ReportCrash[79256]: Saved crashreport to /Library/Logs/CrashReporter/perl_2009-12-22-140311_HTCF.crash using uid: 0 gid: 0, euid: 0 egid: 0

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  • multiple webapps in tomcat -- what is the optimal architecture?

    - by rvdb
    I am maintaining a growing base of mainly Cocoon-2.1-based web applications [http://cocoon.apache.org/2.1/], deployed in a Tomcat servlet container [http://tomcat.apache.org/], and proxied with an Apache http server [http://httpd.apache.org/docs/2.2/]. I am conceptually struggling with the best way to deploy multiple web applications in Tomcat. Since I'm not a Java programmer and we don't have any sysadmin staff I have to figure out myself what is the most sensible way to do this. My setup has evolved through 2 scenarios and I'm considering a third for maximal separation of the distinct webapps. [1] 1 Tomcat instance, 1 Cocoon instance, multiple webapps -tomcat |_ webapps |_ webapp1 |_ webapp2 |_ webapp[n] |_ WEB-INF (with Cocoon libs) This was my first approach: just drop all web applications inside a single Cocoon webapps folder inside a single Tomcat container. This seemed to run fine, I did not encounter any memory issues. However, this poses a maintainability drawback, as some Cocoon components are subject to updates, which often affect the webapp coding. Hence, updating Cocoon becomes unwieldy: since all webapps share the same pool of Cocoon components, updating one of them would require the code in all web applications to be updated simultaneously. In order to isolate the web applications, I moved to the second scenario. [2] 1 Tomcat instance, each webapp in its dedicated Cocoon environment -tomcat |_ webapps |_ webapp1 | |_ WEB-INF (with Cocoon libs) |_ webapp1 | |_ WEB-INF (with Cocoon libs) |_ webapp[n] |_ WEB-INF (with Cocoon libs) This approach separates all webapps into their own Cocoon environment, run inside a single Tomcat container. In theory, this works fine: all webapps can be updated independently. However, this soon results in PermGenSpace errors. It seemed that I could manage the problem by increasing memory allocation for Tomcat, but I realise this isn't a structural solution, and that overloading a single Tomcat in this way is prone to future memory errors. This set me thinking about the third scenario. [3] multiple Tomcat instances, each with a single webapp in its dedicated Cocoon environment -tomcat |_ webapps |_ webapp1 |_ WEB-INF (with Cocoon libs) -tomcat |_ webapps |_ webapp2 |_ WEB-INF (with Cocoon libs) -tomcat |_ webapps |_ webapp[n] |_ WEB-INF (with Cocoon libs) I haven't tried this approach, but am thinking of the $CATALINA_BASE variable. A single Tomcat distribution can be multiply instanciated with different $CATALINA_BASE environments, each pointing to a Cocoon instance with its own webapp. I wonder whether such an approach could avoid the structural memory-related problems of approach [2], or will the same issues apply? On the other hand, this approach would complicate management of the Apache http frontend, as it will require the AJP connectors of the different Tomcat instances to be listening at different ports. Hence, Apache's worker configuration has to be updated and reloaded whenever a new webapp (in its own Tomcat instance) is added. And there seems no way to reload worker.properties without restarting the entire Apache http server. Is there perhaps another / more dynamic way of 'modularizing' multiple Tomcat-served webapps, or can one of these scenarios be refined? Any thoughts, suggestions, advice much appreciated. Ron

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  • Error 80073701 when installing Windows 7 Service Pack 1

    - by Wagner Maestrelli
    I tried to install the Windows 7 Service Pack 1 using Windows Update and I got an error (code 80073701 - unknown error). I tried it again, same thing. Rebooted and tried again, same error. Before I tried to install the SP1 I had installed all the previous updates. I have Windows 7 Ultimate 32-bits. Has anyone gone through the same problem? Any ideas of what might be happening? Thanks! UPDATE: I installed the System Update Readiness Tool. Then, I tried to install the SP1 again, but the installation failed again with the same error. As I thought I was running out of options, I downloaded the SP1 package (500+ MB) and tried to install manually. Before that, I reinstalled the SUR Update. Well, the manual installation of the SP1 failed again. Then I learned about the c:\Windows\Logs\CBS\CheckSUR.log file (thanks Patches!). I checked it out. As I installed the SUR Update multiple times, the older logs are kept in the c:\Windows\Logs\CBS\CheckSUR.persist.log file. In the first time the SUR update was installed there was an error, which is said to have been fixed. In the subsequent logs, no errors were detected. The log with the error: ================================= Checking System Update Readiness. Binary Version 6.1.7600.20593 Package Version 7.0 2010-03-19 09:57 Checking Windows Servicing Packages Checking Package Manifests and Catalogs (f) CBS MUM Corrupt 0x800B0100 servicing\Packages\Microsoft-Windows-Client-LanguagePack-Package~31bf3856ad364e35~x86~pt-BR~6.1.7600.16385.mum servicing\Packages\Microsoft-Windows-Client-LanguagePack-Package~31bf3856ad364e35~x86~pt-BR~6.1.7600.16385.cat Package manifest cannot be validated by the corresponding catalog (fix) CBS MUM Corrupt CBS File Replaced Microsoft-Windows-Client-LanguagePack-Package~31bf3856ad364e35~x86~pt-BR~6.1.7600.16385.mum from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-rtm-client-cab3-x86.cab. (fix) CBS Paired File CBS File also Replaced Microsoft-Windows-Client-LanguagePack-Package~31bf3856ad364e35~x86~pt-BR~6.1.7600.16385.cat from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-rtm-client-cab3-x86.cab. Checking Package Watchlist Checking Component Watchlist Checking Packages Checking Component Store Summary: Seconds executed: 224 Found 1 errors Fixed 1 errors CBS MUM Corrupt Total count: 1 Fixed: CBS MUM Corrupt. Total count: 1 Fixed: CBS Paired File. Total count: 1 It seems it has something to do with the Brazilian Portuguese Language Pack, which happens to be my native language. Problem is I can't uninstall the language pack since it is my system default language. And I haven't found any place to download it so I could reinstall it manually. Well, any ideas? Thanks!

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  • Virtual Network Interface and NAT disables localhost access for MySQL and Apache

    - by Interarticle
    I'm running an Ubuntu Server 12.04, and recently I configured it to do NAT for my laptop. Since the server has only one NIC, I followed instructions online to create a virtual network device (eth0:0) that has a LAN IP address, then further configured iptables and UFW to allow internet sharing. However, just a few days ago, I discovered that one of the PHP pages hosted on the server failed for no apparent reason. A little digging revealed that the MySQL server started refusing connections from localhost. The same happened with a page (PhpMyAdmin) that was configured to be accessible only from localhost (in Apache2). The error, as shown by $mysql --protocol=tcp -u root -p looks like ERROR 1130 (HY000): Host '<host name of eth0>' is not allowed to connect to this MySQL server However, the funny thing is, I configured the mysql server to allow root access from localhost (only). Moreover, the mysql server listens only on 127.0.0.1:3306, as shown by: sudo netstat -npa | head Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 1029/mysqld which means that the connection could have only come from 127.0.0.1 (Note that MySQL is working because I can still connect to it via unix domain sockets) In effect, it seems that all tcp connections originating from 127.0.0.1 to 127.0.0.1 appear to any local daemon to come from the eth0 IP address. Indeed, apache2 allowed me to access PhpMyAdmin after I added allow <eth0 IP address>. The following are my network configurations (redacted): /etc/hosts: 127.0.0.1 localhost 211.x.x.x <host name of eth0> <server name> #IPv6 Defaults follows .... /etc/network/interfaces: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 211.x.x.x netmask 255.255.255.0 gateway 211.x.x.x dns-nameservers 8.8.8.8 # dns-* options are implemented by the resolvconf package, if installed dns-search xxxxxxx.com hwaddress ether xx:xx:xx:xx:xx:xx auto eth0:0 iface eth0:0 inet static address 192.168.57.254 netmask 255.255.254.0 broadcast 192.168.57.255 network 192.168.57.0 /etc/ufw/sysctl.conf: #Uncommented the following lines net/ipv4/ip_forward=1 net/ipv6/conf/default/forwarding=1 /etc/default/ufw: DEFAULT_FORWARD_POLICY="ACCEPT" #Changed DROP to ACCEPT /etc/init/internet-sharing.conf (upstart script I wrote), section pre-start script: iptables -A FORWARD -o eth0 -i eth0:0 -s 192.168.57.22 -m conntrack --ctstate NEW -j ACCEPT iptables -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT iptables -A POSTROUTING -t nat -j MASQUERADE Note again that my problem here is that programs cannot access localhost tcp services, from the server itself, and that access is blocked because the services have access control allowing only 127.0.0.1. I have no problem connecting (as in TCP connections) to services via tcp, even if the services listen only on 127.0.0.1. I do NOT want to connect to the services from another computer.

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  • WebDav issue with Mac OS X 10.5.3 onwards

    - by svnr
    We upgraded to Mac OS X 10.5.3 and getting problem when uploading files (PUT) to a webdav server (the server is Apache running on a Windows environment). When we drag and drop on to a webdav folder using Finder we get a -36 error. When looking at the stack trace of the web server the problem is due to INVALID CRLF or some times getting the following error. Both the stack point to error when copying the stream. When googled found that it is because the Mac changed to Transfer-Encoding to 'Chunked' ClientAbortException: java.net.SocketException: Software caused connection abort: socket write error at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:366) at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:433) at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:348) at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:392) at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:381) at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:88) at org.apache.commons.io.CopyUtils.copy(CopyUtils.java:200) at com.artesia.webdav.action.helper.ResponseWriterHelper.writeFileContentResponse(ResponseWriterHelper.java:206) at com.artesia.webdav.action.GetMethodAction.executeWebDavMethod(GetMethodAction.java:147) at com.artesia.webdav.action.BaseWebDavMethodAction.execute(BaseWebDavMethodAction.java:257) at com.artesia.webdav.action.BaseWebDavAction.execute(BaseWebDavAction.java:92) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507) at javax.servlet.http.HttpServlet.service(HttpServlet.java:697) at com.artesia.webdav.web.WebDavActionServlet.service(WebDavActionServlet.java:93) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069) at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:455) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507) at javax.servlet.http.HttpServlet.service(HttpServlet.java:697) at com.artesia.webdav.web.WebDavActionServlet.service(WebDavActionServlet.java:93) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at com.artesia.webdav.web.BaseWebDavServlet.forward(BaseWebDavServlet.java:91) at com.artesia.webdav.web.BaseWebDavServlet.service(BaseWebDavServlet.java:83) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.artesia.webdav.action.RequestFilter.doFilter(RequestFilter.java:46) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.artesia.webdav.web.WebDavAuthenticationFilter.doFilter(WebDavAuthenticationFilter.java:463) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.artesia.webdav.web.MacSessionHackFilter.doFilter(MacSessionHackFilter.java:111) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:595) Caused by: java.net.SocketException: Software caused connection abort: socket write error at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92) at java.net.SocketOutputStream.write(SocketOutputStream.java:136) at org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:746) at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:433) at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:348) at org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:769) at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:117) at org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:579) at org.apache.coyote.Response.doWrite(Response.java:559) at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:361)

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  • Low framerate on background apps

    - by user1698923
    My problem is that when a game is running in the foreground, in Full Screen mode, any applications on my second monitor (such as youtube videos, videos, not app specific) drop their frame-rate to about 2-3 FPS. It seems like some sort of power management option that I can't track down. As far as I can tell, it's not due to the GPU not being able to keep up. For instance, my PC can play League of Legends at about 280FPS when the framerate is uncapped. If i cap it at 60FPS using the in-game option, it has no affect on the performance of the background app. Summary Operating System Windows 8 Pro 64-bit CPU Intel Core i7 3820 @ 3.60GHz 42 °C Sandy Bridge-E 32nm Technology RAM 12.0GB Triple-Channel DDR3 @ 533MHz (7-7-7-20) Motherboard Gigabyte Technology Co., Ltd. X79-UD3 (SOCKET 0) 37 °C Graphics DELL U2713HM (2560x1440@59Hz) DELL U2713HM (2560x1440@59Hz) 1280MB NVIDIA GeForce GTX 570 (Gigabyte) 58 °C Hard Drives 212GB Volume0 (RAID) 1863GB Western Digital WDC WD20EARS-00MVWB0 (SATA) 36 °C 1863GB Western Digital WDC WD20EARS-00MVWB0 (SATA) 34 °C Optical Drives No optical disk drives detected Audio ASUS Xonar Essence STX Audio Device Operating System Windows 8 Pro 64-bit Computer type: Desktop Graphics Monitor 1 Name DELL U2713HM on NVIDIA GeForce GTX 570 Current Resolution 2560x1440 pixels Work Resolution 2560x1400 pixels State Enabled, Output devices support Multiple displays Extended, Secondary, Enabled Monitor Width 2560 Monitor Height 1440 Monitor BPP 32 bits per pixel Monitor Frequency 59 Hz Device \\.\DISPLAY4\Monitor0 Monitor 2 Name DELL U2713HM on NVIDIA GeForce GTX 570 Current Resolution 2560x1440 pixels Work Resolution 2560x1400 pixels State Enabled, Output devices support Multiple displays Extended, Primary, Enabled Monitor Width 2560 Monitor Height 1440 Monitor BPP 32 bits per pixel Monitor Frequency 59 Hz Device \\.\DISPLAY5\Monitor0 NVIDIA GeForce GTX 570 Manufacturer NVIDIA Model GeForce GTX 570 GPU GF110 Device ID 10DE-1086 Revision A2 Subvendor Gigabyte (1458) Series GeForce GTX 500 Current Performance Level Level 3 Current GPU Clock 845 MHz Current Memory Clock 1900 MHz Current Shader Clock 1690 MHz Voltage 0.988 V Technology 40 nm Die Size 520 mm² Release Date Dec 07, 2010 DirectX Support 11.0 OpenGL Support 5.0 Bus Interface PCI Express x16 Temperature 57 °C Driver version 9.18.13.2018 BIOS Version 70.10.55.00.01 ROPs 40 Shaders 512 unified Memory Type GDDR5 Memory 1280 MB Bus Width 64x5 (320 bit) Filtering Modes 16x Anisotropic Noise Level Moderate Max Power Draw 219 Watts Count of performance levels : 3 Level 1 - "Default" GPU Clock 50 MHz Memory Clock 135 MHz Shader Clock 101 MHz Level 2 - "2D Desktop" GPU Clock 405 MHz Memory Clock 324 MHz Shader Clock 810 MHz Level 3 - "3D Applications" GPU Clock 845 MHz Memory Clock 1900 MHz Shader Clock 1690 MHz Things I've tried: 1) Updating the graphics driver 2) Setting windows power mode to High Performance 3) Reset Nvidia Global Performance settings to default

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  • Why is vCenter 5.1u1 exiting hosts from maintenance mode?

    - by Shane Madden
    This vCenter server was just upgraded to 5.1 update 1. I'm going through hosts and bringing firmware up to date, then upgrading them from various versions of 5.0 to 5.1u1. vCenter 5.1u1 seems to have an interesting new behavior: it's removing hosts from maintenance mode when they reconnect after being disconnected -- but very inconsistently, I've seen it maybe 4 or 5 times on ~25-30 host reboots. I've only seen it happen on 5.0 hosts that have not yet been upgraded to 5.1. In the image, I placed the host in maint mode and rebooted it into the HP SPP DVD's automatic update mode. After its usual ~40 minute update process, the host came back online.. and 7 seconds before even logging that the host had reconnected, vCenter had sent the host a task to exit maintenance mode. In my understanding, the only time vCenter should drop a host out of maintenance mode is when vCenter put it into maintenance mode itself (such as a VUM upgrade task). Why would this vCenter be unilaterally exiting a host from user-initiated maintenance mode? Edit, additional info: I ran the firmware upgrades on 5 more hosts, all at the same time. Two of them exited maint mode after reconnecting, three did not. The common factor of those exiting maint mode seems to be how long they were offline; the two that took a few tries to boot to the virtual media are the two that got knocked out of maint mode. esx31 (image above): 45 minutes unresponsive esx19 (exited maint): 87 minutes unresponsive esx24 (stayed in maint): 32 minutes unresponsive esx29 (stayed in maint): 39 minutes unresponsive esx32 (stayed in maint): 30 minutes unresponsive esx34 (exited maint): 70 minutes unresponsive Edit: The disconnect time idea seems to have been a red herring, as it's not happening consistently. Additionally, in the vpxd.log the exit maint mode task initiation seems to always immediately follow this vim.EnvironmentBrowser.queryProvisioningPolicy SOAP call. Here's the lines, slightly trimmed for clarity: 15:27:49.535 [info 'vpxdvpxdVmomi'] [ClientAdapterBase::InvokeOnSoap] Invoke done (esx31, vim.EnvironmentBrowser.queryProvisioningPolicy) 15:27:49.560 [info 'commonvpxLro'] [VpxLRO] -- BEGIN task -- esx31 -- HostSystem.exitMaintenanceMode -- Note that on the nodes that don't get the exit task, the vim.EnvironmentBrowser.queryProvisioningPolicy event still occurs. I'm not seeing any other differences in events before or after this in the reconnect process, aside from the extra events caused by exiting maintenance mode. Given the log's mention of provisioning policies, looking for autodeploy-related maintenance mode issues turns up complaints about similar behavior (though I'm not using autodeploy at all).

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  • Access denied to mysql cause by invalid server hostname bind address

    - by Mark
    I cannot login to mysql using the terminal. [root@fst mysql]# mysql -h localhost -u admin -p Enter password: ERROR 1045 (28000): Access denied for user 'admin'@'localhost' (using password: YES) I am sure I have the correct password. The mysql is also running when I check status. The mysql database is also present in the directory /var/lib/mysql/. The host host.myi, host.myd and host.frm are present. By the way this a related to question on my previous problem MySQL server quit without updating PID file . Initially the problem arise when the root directory was full. To be able to login to directadmin and start mysql, I added a soft link of the /var/lib/mysql/ to /home/mysql. Since my database used up the most of the root directory. The root directory has 50Gb and /home has 1.5Gb. Somehow the /var/lib/mysql/idbdata1 is corrupted. So I move it to another location. Now, I can start the mysql server but I cannot login into it. Below are the contents from the myql logs. 121212 20:44:10 mysqld_safe mysqld from pid file /var/lib/mysql/fst.srv.net.pid ended 121212 20:44:10 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 121212 20:44:10 [Note] Plugin 'FEDERATED' is disabled. 121212 20:44:10 InnoDB: The InnoDB memory heap is disabled 121212 20:44:10 InnoDB: Mutexes and rw_locks use GCC atomic builtins 121212 20:44:10 InnoDB: Compressed tables use zlib 1.2.3 121212 20:44:10 InnoDB: Using Linux native AIO 121212 20:44:10 InnoDB: Initializing buffer pool, size = 128.0M 121212 20:44:10 InnoDB: Completed initialization of buffer pool 121212 20:44:10 InnoDB: highest supported file format is Barracuda. 121212 20:44:11 InnoDB: Waiting for the background threads to start 121212 20:44:12 InnoDB: 1.1.8 started; log sequence number 1595675 121212 20:44:12 [Note] Server hostname (bind-address): '0.0.0.0'; port: 3306 121212 20:44:12 [Note] - '0.0.0.0' resolves to '0.0.0.0'; 121212 20:44:12 [Note] Server socket created on IP: '0.0.0.0'. 121212 20:44:12 [Note] Event Scheduler: Loaded 0 events 121212 20:44:12 [Note] /usr/sbin/mysqld: ready for connections. Version: '5.5.27-log' socket: '/var/lib/mysql/mysql.sock' port: 3306 MySQL Community Server (GPL) I guess there is something wrong with the bind address. How should I fix the problem?

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  • How to Block a HTTP Website along with Its All Subdomain using IPTABLE

    - by netnovice
    I run a small HTTP web proxy site . We can not modify anything there in Proxy program. Few users mainly use Yahoo Web mail for Spamming and We need to block yahoo web mail access only ( complete yahoo website is also Ok) through our proxy . specially .mail.yahoo.com.. Like - we need to block URL like - http://uk-mg61.mail.yahoo.com http://in-mg61.mail.yahoo.com etc. etc. Note : We generaly open http://mail.yahoo.com in browser - but after loggin in it forwards it to Urls like above but all those are subdomain of mail.yahoo.com My target is if we can get all IP list for all available subdomain of mail.yahoo.com I can block it totally . We can only use IPTABLE ...I know using proxy itself we can check HTTP header and check Host field for .mail.yahoo.com. and block it. Solution : Follwoign what I did using IPtable . I collected IP CIDR block for yahoo mainly for yahoo web mail ( mail.yahoo.com ) as much as possible ( using linux host and whois command ) [ like 66.163.160.0/19 nd 98.136.0.0/14 etc ] and applied follwing command Like iptables -A OUTPUT -p tcp -d 66.163.160.0/19 -m state --state NEW -j DROP etc. Things are working fine. user can not access yahoo mail BUT the problem is I need to be updated with the avaialble CIDR YAHOO IP list ... I am ready to do it every week. I collected many from Net... You know theer are countles subdomain of mail.yahoo.com and seems every week Yahoo adding new IP... But what I observed some time user can bypass our rule and the reason obvously all the avaialble Ips are not entered in IPtable yet. What we need to do is enter all Ips of mail.yahoo.co But where do I find all subdomain for mail.yahoo.com I know we can get it from DNS but I must not be allowed to make DNS axfr query. Also doing reverse DNS will have performance issue. I want to know all subdomain of .mail.yahoo.c Can I get it from yahoo site. I have the list of all YAHOO smtp IP....but I need webmail Ip... ( http://public.yahoo.com/carloc/ymail.html ) Can you please share your Idea. Thank you

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  • Cant access a remote server due mistake by setting firewall rule

    - by LMIT
    I need help due a my silly mistake! So for long time i have a dedicate server hosted by register.it Usually i access remotly to this server (Windows 2008 server) by Terminal Server. Today i wanted to block one site that continually send request to my server. So i was adding a new rule in the firewall (the native firewall on windows 2008 server), as i did many time, but this time, probably i was sleeping with my brain i add a general rules that stop everything! So i cant access to the server anymore, as no any users can browse the sites, nothing is working because this rule block everything. I know that is a silly mistake, no need to tell me :) so please what i can do ? The only 1 thing that my provider let me is reboot the server by his control panel, but this not help me in any way because the firewall block me again. i have administrator username and password, so what i really can do ? there are some trick some tecnique, some expert guru that can help me in this very bad situation ? UPDATE i follow the Tony suggest and i did a NMAP to check if some ports are open but look like all closed: NMAP RESULT Starting Nmap 6.00 ( http://nmap.org ) at 2012-05-29 22:32 W. Europe Daylight Time NSE: Loaded 93 scripts for scanning. NSE: Script Pre-scanning. Initiating Parallel DNS resolution of 1 host. at 22:32 Completed Parallel DNS resolution of 1 host. at 22:33, 13.00s elapsed Initiating SYN Stealth Scan at 22:33 Scanning xxx.xxx.xxx.xxx [1000 ports] SYN Stealth Scan Timing: About 29.00% done; ETC: 22:34 (0:01:16 remaining) SYN Stealth Scan Timing: About 58.00% done; ETC: 22:34 (0:00:44 remaining) Completed SYN Stealth Scan at 22:34, 104.39s elapsed (1000 total ports) Initiating Service scan at 22:34 Initiating OS detection (try #1) against xxx.xxx.xxx.xxx Retrying OS detection (try #2) against xxx.xxx.xxx.xxx Initiating Traceroute at 22:34 Completed Traceroute at 22:35, 6.27s elapsed Initiating Parallel DNS resolution of 11 hosts. at 22:35 Completed Parallel DNS resolution of 11 hosts. at 22:35, 13.00s elapsed NSE: Script scanning xxx.xxx.xxx.xxx. Initiating NSE at 22:35 Completed NSE at 22:35, 0.00s elapsed Nmap scan report for xxx.xxx.xxx.xxx Host is up. All 1000 scanned ports on xxx.xxx.xxx.xxx are filtered Too many fingerprints match this host to give specific OS details TRACEROUTE (using proto 1/icmp) HOP RTT ADDRESS 1 ... ... ... 13 ... 30 NSE: Script Post-scanning. Read data files from: D:\Program Files\Nmap OS and Service detection performed. Please report any incorrect results at http://nmap.org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 145.08 seconds Raw packets sent: 2116 (96.576KB) | Rcvd: 61 (4.082KB) Question: The provider locally can access by username and password ?

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  • Weird random application hang problem

    - by haridsv
    I am trying to understand an application hang problem that started up lately on my windows xp system. The system runs fine for days (sometimes) without ever shutting down or putting it to sleep, but the problem first shows up as one of the apps hanging. The application's UI stops responding or one or more background threads hang, so even though the GUI is responding, it is not doing anything (e.g., in VirtualDub's case, the UI responds fine, but the job doesn't progress and I won't even be able to abort it). The weirdness part comes from the fact that if I try to kill such an app, the program that is used to kill it goes into the same mode (i.e, that hangs instead of the original). E.g., if I use Process Explorer to kill it, the original program exits, but procexp now hangs. If I use another instance of procexp to kill the one that is hanging, this repeats, so there is always at least one program hanging in that state. This is not specific to procexp, I tried the native task manager and even the "End Process" dialog from windows explorer that shows up when you try to close a non-responsive GUI (in this case, the explorer itself hangs). The only program that didn't hang after the kill, is the command line taskkill. However, in this case, explorer hangs instead of taskkill. Also, once this problem starts manifesting, it soon ends up freezing the whole system to the extent that even a clean shutdown is not possible, so I have learned to reboot as soon as I notice this problem, however this is very inconvenient, as I often have encoding batch jobs going on which can't continue the job after the restart. The longer I leave the system running after seeing this problem, the more applications get into this state. I have tried to do a repair install but that didn't make any difference. I also uninstalled some of the newer installs, but again no difference. I tried to search online, but got inundating results for generic hang and crash related problems. Though I couldn't notice any pattern, it seems as though the problem is more frequent if I have some video encoding going on at that time. I had the system running for days when I only do browsing and internet audio/video chat before I decide to start encoding something and the problem starts to show up. I am not too sure if it is the encoding program that first hangs, though I almost always noticed that too hanging (like the VirtualDub stopping to make progress). I also had to reboot 3 times on one day when I was heavily experimenting with encoding. I would appreciate any help in narrowing down this problem and save me the trouble of reinstalling. I don't especially want to loose my gotd installs.

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  • Benchmark MySQL Cluster using flexAsynch: No free node id found for mysqld(API)?

    - by quanta
    I am going to benchmark MySQL Cluster using flexAsynch follow this guide, details as below: mkdir /usr/local/mysqlc732/ cd /usr/local/src/mysql-cluster-gpl-7.3.2 cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/mysqlc732/ -DWITH_NDB_TEST=ON make make install Everything works fine until this step: # /usr/local/mysqlc732/bin/flexAsynch -t 1 -p 80 -l 2 -o 100 -c 100 -n FLEXASYNCH - Starting normal mode Perform benchmark of insert, update and delete transactions 1 number of concurrent threads 80 number of parallel operation per thread 100 transaction(s) per round 2 iterations Load Factor is 80% 25 attributes per table 1 is the number of 32 bit words per attribute Tables are with logging Transactions are executed with hint provided No force send is used, adaptive algorithm used Key Errors are disallowed Temporary Resource Errors are allowed Insufficient Space Errors are disallowed Node Recovery Errors are allowed Overload Errors are allowed Timeout Errors are allowed Internal NDB Errors are allowed User logic reported Errors are allowed Application Errors are disallowed Using table name TAB0 NDBT_ProgramExit: 1 - Failed ndb_cluster.log: WARNING -- Failed to allocate nodeid for API at 127.0.0.1. Returned eror: 'No free node id found for mysqld(API).' I also have recompiled with -DWITH_DEBUG=1 -DWITH_NDB_DEBUG=1. How can I run flexAsynch in the debug mode? # /usr/local/mysqlc732/bin/flexAsynch -h FLEXASYNCH Perform benchmark of insert, update and delete transactions Arguments: -t Number of threads to start, default 1 -p Number of parallel transactions per thread, default 32 -o Number of transactions per loop, default 500 -l Number of loops to run, default 1, 0=infinite -load_factor Number Load factor in index in percent (40 -> 99) -a Number of attributes, default 25 -c Number of operations per transaction -s Size of each attribute, default 1 (PK is always of size 1, independent of this value) -simple Use simple read to read from database -dirty Use dirty read to read from database -write Use writeTuple in insert and update -n Use standard table names -no_table_create Don't create tables in db -temp Create table(s) without logging -no_hint Don't give hint on where to execute transaction coordinator -adaptive Use adaptive send algorithm (default) -force Force send when communicating -non_adaptive Send at a 10 millisecond interval -local 1 = each thread its own node, 2 = round robin on node per parallel trans 3 = random node per parallel trans -ndbrecord Use NDB Record -r Number of extra loops -insert Only run inserts on standard table -read Only run reads on standard table -update Only run updates on standard table -delete Only run deletes on standard table -create_table Only run Create Table of standard table -drop_table Only run Drop Table on standard table -warmup_time Warmup Time before measurement starts -execution_time Execution Time where measurement is done -cooldown_time Cooldown time after measurement completed -table Number of standard table, default 0

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  • Signup with email authentication, only 30% are activated?

    - by mysqllearner
    I have a website which let users to sign up. The signup process including sending "activation email", click link to activate account. The first two weeks was fine. Out of around 2000 users, 1800 users are activated. After that, the activated users drop drastically, to about 30%. Example: 1000 users signup, only 300 were activated. At first, I found the problem is because the email could not be reach to ymail, msn and gmail users. (Most of my subscribers are Ymail (yahoo), hotmail/msn(live) and gmail (gmail)). I tried signup using ymail and hotmail, but i didnt get any activation email. I contacted yahoo and msn, eventually my email can go through now. However, my signup statistic still showing, the activated users are only about 30%, which very confuse me. I contact my hosting company, ask them the whitelist my IP. And they did it. I need your advice/help on following questions: How to check where the problem lies? Is the email not delivered? User receive email but didnt click the activation link? I am using php mail funstion. and this is my headers: $headers = 'MIME-Version: 1.0' . "\r\n"; $headers .= 'Content-type: text/html; charset=UTF-8' . "\r\n"; $headers .= 'From: Admin <[email protected]>' . "\r\n"; $headers .= 'Return-Receipt-To: Bounce <[email protected]>' . "\r\n"; $headers .= 'Reply-To: Admin <[email protected]>' . "\r\n"; $return_path = "[email protected]"; Is there anything wrong with the headers? What can I do to improve my registration/signup activation process?

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  • The Koyal Group Info Mag News¦Charged building material could make the renewable grid a reality

    - by Chyler Tilton
    What if your cell phone didn’t come with a battery? Imagine, instead, if the material from which your phone was built was a battery. The promise of strong load-bearing materials that can also work as batteries represents something of a holy grail for engineers. And in a letter published online in Nano Letters last week, a team of researchers from Vanderbilt University describes what it says is a breakthrough in turning that dream into an electrocharged reality. The researchers etched nanopores into silicon layers, which were infused with a polyethylene oxide-ionic liquid composite and coated with an atomically thin layer of carbon. In doing so, they created small but strong supercapacitor battery systems, which stored electricity in a solid electrolyte, instead of using corrosive chemical liquids found in traditional batteries. These supercapacitors could store and release about 98 percent of the energy that was used to charge them, and they held onto their charges even as they were squashed and stretched at pressures up to 44 pounds per square inch. Small pieces of them were even strong enough to hang a laptop from—a big, fat Dell, no less. Although the supercapacitors resemble small charcoal wafers, they could theoretically be molded into just about any shape, including a cell phone’s casing or the chassis of a sedan. They could also be charged—and evacuated of their charge—in less time than is the case for traditional batteries. “We’ve demonstrated, for the first time, the simple proof-of-concept that this can be done,” says Cary Pint, an assistant professor in the university’s mechanical engineering department and one of the authors of the new paper. “Now we can extend this to all kinds of different materials systems to make practical composites with materials specifically tailored to a host of different types of applications. We see this as being just the tip of a very massive iceberg.” Pint says potential applications for such materials would go well beyond “neat tech gadgets,” eventually becoming a “transformational technology” in everything from rocket ships to sedans to home building materials. “These types of systems could range in size from electric powered aircraft all the way down to little tiny flying robots, where adding an extra on-board battery inhibits the potential capability of the system,” Pint says. And they could help the world shift to the intermittencies of renewable energy power grids, where powerful batteries are needed to help keep the lights on when the sun is down or when the wind is not blowing. “Using the materials that make up a home as the native platform for energy storage to complement intermittent resources could also open the door to improve the prospects for solar energy on the U.S. grid,” Pint says. “I personally believe that these types of multifunctional materials are critical to a sustainable electric grid system that integrates solar energy as a key power source.”

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  • Unusual Apache->Tomcat caching issue.

    - by iftrue
    Right now, I have an Apache setup sitting in front of Tomcat to handle caching. This setup has been given to an external service to manage, and since the transition, I've noticed odd behavior. Specifically, when I request a swf file from the web server, I hit the Apache cache (good), but occasionally I'll receive a truncated file. Once I receive this truncated file, the cache will NOT refresh until I manually delete the cache and let the swf pull down from tomcat again. The external service claims that the configuration is fine, but I don't see any way this could be happening aside from improper configuration. Now, there are two apache and two tomcat servers under a load balancer, and occasionally one apache cache will break while another does not (leading to 50% of all requests getting bad, truncated data). Where should I start looking to debug this issue? What could POSSIBLY be causing this odd behavior? Edit: Inspecting the logs, tomcat throws this: java.io.IOException: Bad file number at java.io.FileInputStream.readBytes(Native Method) at java.io.FileInputStream.read(FileInputStream.java:199) at java.io.BufferedInputStream.read1(BufferedInputStream.java:256) at java.io.BufferedInputStream.read(BufferedInputStream.java:317) at java.io.FilterInputStream.read(FilterInputStream.java:90) at org.apache.catalina.servlets.DefaultServlet.copyRange(DefaultServlet.java:1968) at org.apache.catalina.servlets.DefaultServlet.copy(DefaultServlet.java:1714) at org.apache.catalina.servlets.DefaultServlet.serveResource(DefaultServlet.java:809) at org.apache.catalina.servlets.DefaultServlet.doGet(DefaultServlet.java:325) at javax.servlet.http.HttpServlet.service(HttpServlet.java:690) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.ha.session.JvmRouteBinderValve.invoke(JvmRouteBinderValve.java:209) at org.apache.catalina.ha.tcp.ReplicationValve.invoke(ReplicationValve.java:347) at org.terracotta.modules.tomcat.tomcat_5_5.SessionValve55.invoke(SessionValve55.java:57) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690) at java.lang.Thread.run(Thread.java:619) followed by access_log.2009-12-14.txt:1.2.3.4 - - [14/Dec/2009:00:27:32 -0500] "GET /myApp/mySwf.swf HTTP/1.1" 304 - access_log.2009-12-14.txt:1.2.3.4 - - [14/Dec/2009:01:27:33 -0500] "GET /myApp/mySwf.swf HTTP/1.1" 304 - access_log.2009-12-14.txt:1.2.3.4 - - [14/Dec/2009:01:39:53 -0500] "GET /myApp/mySwf.swf HTTP/1.1" 304 - access_log.2009-12-14.txt:1.2.3.4 - - [14/Dec/2009:02:27:38 -0500] "GET /myApp/mySwf.swf HTTP/1.1" 304 - So apache is caching the bad file size. What could possibly be causing this, and possibly separate, how do I ensure that this exception does not get written to cache?

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  • Nginx / uWsgi / Django site can handle more traffic with rewrite URL

    - by Ludo
    Hi there. I'm running a Django app, using uWsgi behind Nginx. I've been doing some performance tuning and load testing using ApacheBench and have discovered something unexpected which I wonder if someone could explain for me. In my Nginx config I have a rewrite directive which catches lots of different URL permutations and then forwards them to the canonical URL I wish to use, eg, it traps www.mysite.com/whatever, www.mysite.co.uk/whatever and forwards them all to http://mysite.com/whatever. If I load test against any of the URLs listed with a redirect (ie, NOT the canonical URL which it is eventually forwarded to), it can serve 15000 concurrent connections without breaking a sweat. If I load test against the canonical URL, which the above test I would have expected got forwarded to anyway, it can't handle nearly as much. It will drop about 4000 of the 15000 requests, and can only handle about 9000 reliably. This is the command line I'm using to test: ab -c15000 -n15000 http://www.mysite.com/somepath/ and ab -c15000 -n15000 http://mysite.com/somepath/ I've tried several different types - it makes no different which order I do them in. This doesn't make sense to me - I can understand why the requests involving a redirect may not handle quite so many concurrent connections, but it's happening the other way round. Can anyone explain? I'd really prefer it if the canonical URL was the one which could handle more traffic. I'll post my Nginx config below. Thanks loads for any help! server { server_name www.somesite.com somesite.net www.somesite.net somesite.co.uk www.somesite.co.uk; rewrite ^(.*) http://somesite.com$1 permanent; } server { root /home/django/domains/somesite.com/live/somesite/; server_name somesite.com somesite-live.myserver.somesite.com; access_log /home/django/domains/somesite.com/live/log/nginx.log; location / { uwsgi_pass unix:////tmp/somesite-live.sock; include uwsgi_params; } location /media { try_files $uri $uri/ /index.html; } location /site_media { try_files $uri $uri/ /index.html; } location = /favicon.ico { empty_gif; } }

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  • TomCat starts, but does not load properly

    - by user37136
    Hey guys, I've been working on this for a day now and still don't know what's wrong. I am essentially building a second environment for our web and app server. I got apache to load up just fine, but tomcat is proving to be difficult. It appears to start and load just fine, but when it comes to loading our application, its just got stuck for 2-5 minutes and then shut down. Here is the log on the original machine where it works fine: 2010-02-12 11:52:40,506 INFO Web application servlet context is initializing... 2010-02-12 11:52:40,540 DEBUG Servlet context attribute added: select_jobType=[{1,Undefined}, {100,Completion}, {200,Plugging}, {300,R+M}, {400,Workover}, {500,Swab - tubing}, {600,Swab - fluid}] 2010-02-12 11:52:40,540 DEBUG Servlet context attribute added: select_jobTaskType=[{1,Undefined}, {100,Rod part}, {200,Tubing leak}, {300,Pump change}, {400,Stripping job}, {500,Long stroke}, {600,A/L optimization}] 2010-02-12 11:52:40,541 DEBUG Servlet context attribute added: select_wellType=[{1,Undefined}, {100,Rod pump}, {200,ESP}, {300,Injector}, {400,PC pump}, {500,Co-Rod}, {600,Flowing}, {700,Storage}] 2010-02-12 11:52:40,541 DEBUG Servlet context attribute added: select_assetType=[{1,Rig}, {100,Disabled rig}] 2010-02-12 11:52:40,542 DEBUG Servlet context attribute added: select_state=[{AL,Alabama}, {AK,Alaska}, {AZ,Arizona}, {AR,Arkansas}, {CA,California}, {CO,Colorado}, {CT,Connecticut}, {DE,Delaware}, {FL,Florida}, {GA,Georgia}, {HI,Hawaii}, {ID,Idaho}, {IL,Illinois}, {IN,Indiana}, {IA,Iowa}, {KS,Kansas}, {KY,Kentucky}, {LA,Louisiana}, {ME,Maine}, {MD,Maryland}, {MA,Massachusetts}, {MI,Michigan}, {MN,Minnesota}, {MS,Mississippi}, {MO,Missouri}, {MT,Montana}, {NE,Nebraska}, {NV,Nevada}, {NH,New Hampshire}, {NJ,New Jersey}, {NM,New Mexico}, {NY,New York}, {NC,North Carolina}, {ND,North Dakota}, {OH,Ohio}, {OK,Oklahoma}, {OR,Oregon}, {PA,Pennsylvania}, {RI,Rhode Island}, {SC,South Carolina}, {SD,South Dakota}, {TN,Tennessee}, {TX,Texas}, {UT,Utah}, {VT,Vermont}, {VA,Virginia}, {WA,Washington}, {WV,West Virginia}, {WI,Wisconsin}, {WY,Wyoming}, {ACO,Atlantic Coast Offshore}, {FOAK,Federal Offshore Alaska}, {NGOM,Northern Gulf of Mexico}, {PCO,Pacific Coastal Offshore}] 2010-02-12 11:52:40,542 INFO KeyviewContextMonitor.contextInitialized: Loaded drop-down lists:com/key/portal/web/common/lists.properties 2010-02-12 11:52:40,937 DEBUG Servlet context attribute added: org.apache.struts.action.SERVLET_MAPPING=*.do 2010-02-12 11:52:40,937 DEBUG Servlet context attribute added: org.apache.struts.action.ACTION_SERVLET=org.apache.struts.action.ActionServlet@155d578 2010-02-12 11:52:41,939 DEBUG Servlet context attribute added: org.apache.struts.action.MODULE=org.apache.struts.config.impl.ModuleConfigImpl@e08e9d 2010-02-12 11:52:41,962 DEBUG Servlet context attribute added: org.apache.struts.action.FORM_BEANS=org.apache.struts.action.ActionFormBeans@b31c3c 2010-02-12 11:52:41,967 DEBUG Servlet context attribute added: org.apache.struts.action.FORWARDS=org.apache.struts.action.ActionForwards@102c646 2010-02-12 11:52:41,973 DEBUG Servlet context attribute added: org.apache.struts.action.MAPPINGS=org.apache.struts.action.ActionMappings@127276a 2010-02-12 11:52:41,974 DEBUG Servlet context attribute added: org.apache.struts.action.MESSAGE=org.apache.struts.util.PropertyMessageResources@18cae13 2010-02-12 11:52:41,984 DEBUG Servlet context attribute added: org.apache.struts.action.PLUG_INS=[Lorg.apache.struts.action.PlugIn;@f875ae 2010-02-12 11:52:46,816 INFO Sucessfully loaded application properties com/key/core/properties/application On my second environment, it didn't execute the last line. I start tomcat with the exact same command line !/bin/ksh export JAVA_HOME=/app/java export CATALINA_HOME=/app/tomcat export CATALINA_BASE=/app/keyview/appserver CATALINA_OPTS=" -Xms128m -Xmx800m -Dapplication.props=com/key/core/properties/application -Dlog4j.configuration=com/key/core/log/log4j.xml -Djava.awt.headless=true -Dlog4j.debug" export CATALINA_OPTS ${CATALINA_HOME}/bin/startup.sh I bolded the line that I think are in error. Thanks

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  • Skyrim: Heavy Performance Issues after a couple of location changes

    - by Derija
    Okay, I've tried different solutions: ENB Series, removing certain mods, checking my FPS Rate, monitoring my resources, .ini tweaks. It's all just fine, I don't see what I'm missing. A couple of days ago, I bought Skyrim. Before I bought the game, I admit I had a pirated copy because my girlfriend actually wanted to buy me the game as a present, then said she didn't have enough money. Sick of waiting, I decided to buy the game by myself. The ridiculous part is, it worked better cracked than it does now uncracked. As the title suggests, after entering and leaving houses a couple of times, my performance obviously drops extremely. My build is just fine, Intel i5 quad core processor, NVIDIA GTX 560 Ti from Gigabyte, actually stock-OC, but manually downclocked to usual settings using appropriate Gigabyte software. This fixed the CTD issues I had before with both Skyrim and BF3. I have 4GB RAM. A website about Game Tweaks suggested that my HDD may be too slow. A screenshot of a Windows Performance Index sample with the subscription "This is likely to cause issues" showed the HDD with a performance index of 5.9, the exact same mine has, so I was playing with the thought to purchase an SSD instead, load games onto it that really need it like Skyrim, and hope it'd do the trick. Unfortunately, SSDs are likewise expensive, compared to "normal" HDDs... I'm really getting desperate about it. My save is gone because the patches made it impossible to load saves of the unpatched version and I already saved more than 80 times despite being only level 8, just because every time I interact with a door leading me to another location I'm scared the game will drop again. I can't even play for 30 mins straight anymore, it's just no fun at all. I've researched for a couple of days before I decided to post my question here. Any help is appreciated, I don't want to regret having bought the game... Since it actually is the best game I've played possibly for ever. Sincerely. P.S.: I don't think it's necessary to say, but still, of course I'm playing on PC. P.P.S.: After monitoring both my PC resources including CPU usage and HDD usage as well as the GPU usage, I don't see any changes even after the said event. P.P.P.S.: Original question posted here where I've been advised to ask here.

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  • Apache + Tomcat error 120006 Using mod_proxy_ajp for Load Balance

    - by Wakaru44
    I have an apache 2 frontend with two nodes, and a backend with two instances of tomcat 6 balance with mod_proxy_ajp. The bbdd is in a separate machine. All machines use RHEL, 6.2 on the frontend, 5.5 on the backend. The infraestructure is virtualized using VMware. # This is the apache config in one of the virtualHost. ProxyPreserveHost On ProxyPass / balancer://liferay/ <Proxy balancer://liferay> BalancerMember ajp://lrab:8009 route=liferaya BalancerMember ajp://lrbb:8009 route=liferayb status=+H ProxySet lbmethod=byrequests nofailover=on </Proxy> The conector in tomcat is now configured like this: <!-- Define an AJP 1.3 Connector on port 8009 --> <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" URIEncoding="UTF-8" enableLookups="false" allowTrace="true" /> Do you think it could be useful to set a maxThreads parameter, like in this post?? in that case, How can i determine a proper number of threads? From time to time, we get errors like this [Tue Sep 18 17:57:02 2012] [error] ajp_read_header: ajp_ilink_receive failed [Tue Sep 18 17:57:02 2012] [error] (120006)APR does not understand this error code: proxy: read response failed from 192.168.1.104:8009 (lrab) And apache switches to the pasive node (if its active) or fails with 503. Some things i have tried so far: I think that i have some performance issues with one of the applications, Here you can see a threadDump But i'm not quite sure about it. I also started to monitor the network connection. I have noticed that there are some pings lost when i have a "ping -f " so maybe it could be a network issue, but the success rate is 100% (so the lost packets are only a few among the flood, but maybe, i don't know, enough to break the link betwen apache and tomcat). I wrote a python script to check connectivity with timestamps on the pings, so i can know when the network fails. After sniffing the network , i can also see some RST packets, but i don't know if that is a normal behaviour (some applications do that to end a network communication). I have also noticed that the applications have problems communicating with the database, but im not even sure if this could be related or not. If you think so, i can post more info about it. I changed the connector on the tomcats to use the native one, but still the same. I need not even a solution to this, but maybe some guidance on how can i troubleshoot this better ¿Analyze threads, monitor mysql performance, sniff the traffic between apaches and tomcats? Ultimately, all i need is to balance the tomcat instances in Active/pasive mode, so if there is another way to do it, i could give it a try.

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  • CommunicationException when shutting down JBoss 4.2.2

    - by Brian
    I have deployed an application using JBoss 4.2.2 on a 64-bit RHEL5 server. Since there are other JBoss servers, I had to change some port configurations so that there would be no conflicts when starting the server. So right now I'm using ports-01 from the sample-bindings.xml file that came in the docs/examples/binding-manager/samples directory. In addition, below is a list of all the files I've edited to reflect the new ports: JBOSS_HOME/servers/default/deploy/jboss-web.deployer/server.xml: Changed Connector port - 8080 to 8180 Changed AJP 1.3 Connector port - 8009 to 8109 JBOSS_HOME/server/default/deploy/jbossws.beans/META-INF/jboss-beans.xml Changed 8080 to 8180 JBOSS_HOME/server/default/conf/jboss-service.xml: Changed 8083 to 8183 Changed 1099 to 1299 Changed 1098 to 1298 Changed 4444 to 4644 Changed 4445 to 4645 Changed 4446 to 4646 Changed 4447 to 4647 JBOSS_HOME/server/default/conf/jboss-minimal.xml: Changed 1099 to 1299 Changed 1098 to 1298 When I start the server (binding to localhost) everything is fine and I'm able to access the application. But when I try to shutdown the server I get the following error: Exception in thread "main" javax.naming.CommunicationException: Could not obtain connection to any of these urls: localhost [Root exception is javax.naming.CommunicationException : Failed to connect to server localhost:1099 [Root exception is javax.naming.ServiceUnavailableException: Failed to connect to server localhost:1099 [Root exception is java.net.ConnectException: Connection refused]]] at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1562) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:634) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:627) at javax.naming.InitialContext.lookup(InitialContext.java:392) at org.jboss.Shutdown.main(Shutdown.java:214) Caused by: javax.naming.CommunicationException: Failed to connect to server localhost:1099 [Root exception is javax.naming.ServiceUnavailableException: Failed to connect to server localhost:1099 [Root exception is java.net.ConnectException: Connection refused]] at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:274) at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1533) ... 4 more Caused by: javax.naming.ServiceUnavailableException: Failed to connect to server localhost:1099 [Root exception is java.net.ConnectException: Connection refused] at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:248) ... 5 more Caused by: java.net.ConnectException: Connection refused 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.SocksSocketImpl.connect(SocksSocketImpl.java:366) at java.net.Socket.connect(Socket.java:525) at java.net.Socket.connect(Socket.java:475) at java.net.Socket.(Socket.java:372) at java.net.Socket.(Socket.java:273) at org.jnp.interfaces.TimedSocketFactory.createSocket(TimedSocketFactory.java:84) at org.jnp.interfaces.TimedSocketFactory.createSocket(TimedSocketFactory.java:77) at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:244) ... 5 more Is there any other file that I need to change the 1099 to 1299, or am I missing some other step?

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  • Wireless 802.11x Disconnects

    - by BillP3rd
    I've looked at (and read) all of the similar questions and none of them get exactly to the issue I'm having at home. I have an 802.11g access point (two, actually, with different SSIDs and on different channels). One is an Airlink AR525W. The other is a Linksys WRT54G v.2. The issue is that at random times, my laptop will lose its wireless connection. This occurs regardless of which access point I'm connected to. When I lose the connection, the affected AP no longer appears in the list of available APs. Also, it doesn't have anything to do with walls or distance. It can happen within 30' and when my laptop is literally within line-of-sight. When it loses the signal, it can take from 10 to 30 minutes to reconnect and it always will without intervention. I've done all the “standard” things to troubleshoot the problem and it has improved. For example, I surveyed other access points in my vicinity and have selected a different channel for each of my APs that no one else nearby is using. Both APs are configured WPA2/AES. I'm down to wondering [Note: This is not a shopping question. I'm not buying a new AP] if the fact that I didn't drop two bills on my APs and instead opted for more modest solutions has anything to do with it? I've oft wondered why anyone would go for the high-end AP when they didn't have to. Also, I am aware of DD-WRT and have chosen not to go there because only one of my APs is supported. Oh, and one final thing. It an HP x64 laptop running Windows 7 Ultimate. The wireless interface is an Atheros AR9285 802.11b/g/n WiFi Adapter. All the latest drivers and service packs have been applied. It did the same thing with my old laptop (a Lenovo) so I don't the problem is in the laptop. It's really annoying when this happens and suggestions of things I haven't thought of or may have overlooked (No, really. As unlikely as it is, I admit that I may have overlooked something :-)) are appreciated.

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  • innobackupex - after restoring - quit without updating PID file

    - by clarkk
    After restoring a backup the server can't start.. restoring # tar -izxf /var/www/bak/db/2013-11-10-1437_mysql.tar.gz -C /var/www/bak/db_import # innobackupex --use-memory=1G --apply-log /var/www/bak/db_import # service mysql stop # mv /var/lib/mysql /var/lib/mysql-old # mkdir /var/lib/mysql # innobackupex --copy-back /var/www/bak/db_import # chown -R mysql:mysql /var/lib/mysql # service mysql start error log 131110 21:24:20 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 2013-11-10 21:24:21 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2013-11-10 21:24:21 6194 [Warning] Using pre 5.5 semantics to load error messages from /opt/mysql/server-5.6/share/english/. 2013-11-10 21:24:21 6194 [Warning] If this is not intended, refer to the documentation for valid usage of --lc-messages-dir and --language parameters. 2013-11-10 21:24:21 6194 [Note] Plugin 'FEDERATED' is disabled. /usr/local/mysql/bin/mysqld: Table 'mysql.plugin' doesn't exist 2013-11-10 21:24:21 6194 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it. 2013-11-10 21:24:21 6194 [Note] InnoDB: The InnoDB memory heap is disabled 2013-11-10 21:24:21 6194 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 2013-11-10 21:24:21 6194 [Note] InnoDB: Compressed tables use zlib 1.2.3 2013-11-10 21:24:21 6194 [Note] InnoDB: Using Linux native AIO 2013-11-10 21:24:21 6194 [Note] InnoDB: Not using CPU crc32 instructions 2013-11-10 21:24:21 6194 [Note] InnoDB: Initializing buffer pool, size = 128.0M 2013-11-10 21:24:21 6194 [Note] InnoDB: Completed initialization of buffer pool 2013-11-10 21:24:21 6194 [Note] InnoDB: Highest supported file format is Barracuda. 2013-11-10 21:24:22 6194 [Note] InnoDB: 128 rollback segment(s) are active. 2013-11-10 21:24:22 6194 [Note] InnoDB: Waiting for purge to start 2013-11-10 21:24:22 6194 [Note] InnoDB: 5.6.12 started; log sequence number 636992658 2013-11-10 21:24:22 6194 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306 2013-11-10 21:24:22 6194 [Note] - '127.0.0.1' resolves to '127.0.0.1'; 2013-11-10 21:24:22 6194 [Note] Server socket created on IP: '127.0.0.1'. 2013-11-10 21:24:22 6194 [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.user' doesn't exist 131110 21:24:22 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended mysql_upgrade /opt/mysql/server-5.6/bin/mysql_upgrade -u root -pxxxxx -P 3308 Warning: Using a password on the command line interface can be insecure. Looking for 'mysql' as: /opt/mysql/server-5.6/bin/mysql Looking for 'mysqlcheck' as: /opt/mysql/server-5.6/bin/mysqlcheck FATAL ERROR: Upgrade failed

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