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From "Wendy Smoak (JIRA)" <j...@codehaus.org>
Subject [jira] Commented: (CONTINUUM-2204) Continuum occasionally failing with "too many open files" after upgrade
Date Wed, 13 May 2009 21:26:44 GMT

    [ http://jira.codehaus.org/browse/CONTINUUM-2204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=176321#action_176321
] 

Wendy Smoak commented on CONTINUUM-2204:
----------------------------------------

I'm seeing this on vmbuild which was just upgraded to r774495

{noformat}
2009-05-13 14:12:23,036 [pool-1-thread-4] ERROR org.apache.maven.continuum.notification.DefaultContinuumNotificationDispatcher
 - Error while trying to use the mail notifier.
org.apache.maven.continuum.notification.NotificationException: Error while generating mail
contents.
	at org.apache.maven.continuum.notification.mail.MailContinuumNotifier.buildComplete(MailContinuumNotifier.java:413)
	at org.apache.maven.continuum.notification.mail.MailContinuumNotifier.buildComplete(MailContinuumNotifier.java:310)
	at org.apache.maven.continuum.notification.mail.MailContinuumNotifier.sendMessage(MailContinuumNotifier.java:284)
	at org.apache.maven.continuum.notification.DefaultContinuumNotificationDispatcher.sendNotification(DefaultContinuumNotificationDispatcher.java:194)
	at org.apache.maven.continuum.notification.DefaultContinuumNotificationDispatcher.sendNotification(DefaultContinuumNotificationDispatcher.java:149)
	at org.apache.maven.continuum.notification.DefaultContinuumNotificationDispatcher.buildComplete(DefaultContinuumNotificationDispatcher.java:97)
	at org.apache.maven.continuum.buildcontroller.DefaultBuildController.endBuild(DefaultBuildController.java:236)
	at org.apache.maven.continuum.buildcontroller.DefaultBuildController.build(DefaultBuildController.java:193)
	at org.apache.maven.continuum.buildcontroller.BuildProjectTaskExecutor.executeTask(BuildProjectTaskExecutor.java:48)
	at org.apache.continuum.taskqueueexecutor.ParallelBuildsThreadedTaskQueueExecutor$ExecutorRunnable$1.run(ParallelBuildsThreadedTaskQueueExecutor.java:120)
	at edu.emory.mathcs.backport.java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:442)
	at edu.emory.mathcs.backport.java.util.concurrent.FutureTask.run(FutureTask.java:176)
	at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:987)
	at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:528)
	at java.lang.Thread.run(Thread.java:619)
Caused by: org.apache.maven.continuum.installation.InstallationException: Error setting up
environmental variables
	at org.apache.continuum.installation.DefaultInstallationService.getJdkInformations(DefaultInstallationService.java:319)
	at org.apache.maven.continuum.notification.mail.MailContinuumNotifier.getJavaHomeInformations(MailContinuumNotifier.java:518)
	at org.apache.maven.continuum.notification.mail.MailContinuumNotifier.buildComplete(MailContinuumNotifier.java:384)
	... 14 more
Caused by: org.codehaus.plexus.util.cli.CommandLineException: Error setting up environmental
variables
	at org.codehaus.plexus.util.cli.Commandline.getEnvironmentVariables(Commandline.java:464)
	at org.codehaus.plexus.util.cli.Commandline.execute(Commandline.java:626)
	at org.codehaus.plexus.util.cli.CommandLineUtils.executeCommandLine(CommandLineUtils.java:118)
	at org.codehaus.plexus.util.cli.CommandLineUtils.executeCommandLine(CommandLineUtils.java:93)
	at org.apache.continuum.installation.DefaultInstallationService.getJavaHomeInformations(DefaultInstallationService.java:339)
	at org.apache.continuum.installation.DefaultInstallationService.getJdkInformations(DefaultInstallationService.java:315)
	... 16 more
Caused by: java.io.IOException: Cannot run program "env": java.io.IOException: error=24, Too
many open files
	at java.lang.ProcessBuilder.start(ProcessBuilder.java:459)
	at java.lang.Runtime.exec(Runtime.java:593)
	at java.lang.Runtime.exec(Runtime.java:431)
	at java.lang.Runtime.exec(Runtime.java:328)
	at org.codehaus.plexus.util.cli.CommandLineUtils.getSystemEnvVars(CommandLineUtils.java:251)
	at org.codehaus.plexus.util.cli.CommandLineUtils.getSystemEnvVars(CommandLineUtils.java:217)
	at org.codehaus.plexus.util.cli.Commandline.addSystemEnvironment(Commandline.java:440)
	at org.codehaus.plexus.util.cli.Commandline.getEnvironmentVariables(Commandline.java:460)
	... 21 more
Caused by: java.io.IOException: java.io.IOException: error=24, Too many open files
	at java.lang.UNIXProcess.<init>(UNIXProcess.java:148)
	at java.lang.ProcessImpl.start(ProcessImpl.java:65)
	at java.lang.ProcessBuilder.start(ProcessBuilder.java:452)
	... 28 more
{noformat}

> Continuum occasionally failing with "too many open files" after upgrade
> -----------------------------------------------------------------------
>
>                 Key: CONTINUUM-2204
>                 URL: http://jira.codehaus.org/browse/CONTINUUM-2204
>             Project: Continuum
>          Issue Type: Bug
>          Components: Core system
>    Affects Versions: 1.3.2
>            Reporter: Brett Porter
>             Fix For: 1.3.3
>
>
> 14496628 [btpool0-9 - Acceptor0 SelectChannelConnector@0.0.0.0:8080] WARN org.mortbay.log
- EXCEPTION 
> java.io.IOException: Too many open files
> Will need to connect to a running instance such as vmbuild after some time and assess
what dead file handles there are, as well as confirm the initial limits were appropriate.

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