[jboss-jira] [JBoss JIRA] (WFLY-3664) Exceptions during download of webstart libraries

[Christian Bourque (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-3664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13034205#comment-13034205 ] 

Christian Bourque commented on WFLY-3664:
-----------------------------------------

This is a critical problem for us because when this happens we sometimes get a "Too many open files" error and then Wildfly undeploy our application:

2015-01-21 08:17:45,306 ERROR [org.jboss.as.server.deployment.scanner] (DeploymentScanner-threads - 1) JBAS015004: Caught exception writing deployment marker file /home/masterdev/opt/wildfly/standalone/deployments/TEST-1.0-SNAPSHOT.war.isundeploying: java.io.FileNotFoundException: /home/masterdev/opt/wildfly/standalone/deployments/TEST-1.0-SNAPSHOT.war.isundeploying (Too many open files)
        at java.io.FileOutputStream.open(Native Method) [rt.jar:1.7.0_72]
        at java.io.FileOutputStream.<init>(FileOutputStream.java:221) [rt.jar:1.7.0_72]
        at java.io.FileOutputStream.<init>(FileOutputStream.java:171) [rt.jar:1.7.0_72]
        at org.jboss.as.server.deployment.scanner.FileSystemDeploymentService.createMarkerFile(FileSystemDeploymentService.java:984) [wildfly-deployment-scanner-8.2.0.Final.jar:8.2.0.Final]
        at org.jboss.as.server.deployment.scanner.FileSystemDeploymentService.access$2800(FileSystemDeploymentService.java:83) [wildfly-deployment-scanner-8.2.0.Final.jar:8.2.0.Final]
        at org.jboss.as.server.deployment.scanner.FileSystemDeploymentService$ScannerTask.recordInProgress(FileSystemDeploymentService.java:1044) [wildfly-deployment-scanner-8.2.0.Final.jar:8.2.0.Final]
        at org.jboss.as.server.deployment.scanner.FileSystemDeploymentService.scan(FileSystemDeploymentService.java:431) [wildfly-deployment-scanner-8.2.0.Final.jar:8.2.0.Final]
        at org.jboss.as.server.deployment.scanner.FileSystemDeploymentService$DeploymentScanRunnable.run(FileSystemDeploymentService.java:147) [wildfly-deployment-scanner-8.2.0.Final.jar:8.2.0.Final]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [rt.jar:1.7.0_72]
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304) [rt.jar:1.7.0_72]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) [rt.jar:1.7.0_72]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [rt.jar:1.7.0_72]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_72]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_72]
        at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_72]
        at org.jboss.threads.JBossThread.run(JBossThread.java:122) [jboss-threads-2.1.1.Final.jar:2.1.1.Final]
... 

> Exceptions during download of webstart libraries
> ------------------------------------------------
>
>                 Key: WFLY-3664
>                 URL: https://issues.jboss.org/browse/WFLY-3664
>             Project: WildFly
>          Issue Type: Bug
>          Components: Web (Undertow)
>    Affects Versions: 8.1.0.Final
>         Environment: Windows 7 (64bit), Windows Server 2012 R2 (64bit)
>            Reporter: Markus Schwarz
>            Assignee: Stuart Douglas
>            Priority: Minor
>         Attachments: demo-src.zip, server.log
>
>
> I have a webstart application using the JnlpDownloadServlet. If the client cache is empty, launching the JNLP will download the libraries. The webstart application works as expected, but in the server logs there are many errors regarding download of the libraries. 
> Just to mention: Not always the same libraries are listed with erros in the logs files. Sometimes I even got now exceptions.
> For my tests I used Wildfly 8.1.0.FINAL as well as a nightly build from 24. of July  without any further changes of the configuration files (https://ci.jboss.org/hudson/job/WildFly-latest-master/).
> I tested it under Windows 7 and Windows Server 2012 R2. The demo contains an older JnlpDownloadServlet, but I tested it also with the one coming with JDK 7u65.



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