[jira] Updated: (SM-915) FTP poller stalls with threads waiting on PlainSocketImpl.socketAccept()

["Guillaume Nodet (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/activemq/browse/SM-915?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guillaume Nodet updated SM-915:
-------------------------------

    Fix Version/s: servicemix-ftp-2008.01

> FTP poller stalls with threads waiting on PlainSocketImpl.socketAccept()
> ------------------------------------------------------------------------
>
>                 Key: SM-915
>                 URL: https://issues.apache.org/activemq/browse/SM-915
>             Project: ServiceMix
>          Issue Type: Bug
>          Components: servicemix-ftp
>    Affects Versions: 3.1
>            Reporter: Gert Vanthienen
>             Fix For: 3.2.1, 3.3, servicemix-ftp-2008.01
>
>         Attachments: SM-915.patch
>
>
> FTP poller threads stop working with the stack trace below, causing the FTP client pool to run out of connections
> {code}
> Name: pool-component.servicemix-ftp-thread-2
> State: RUNNABLE
> Total blocked: 78,430  Total waited: 4,771
> Stack trace: 
>     java.net.PlainSocketImpl.socketAccept(Native Method)
>     java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
>     java.net.ServerSocket.implAccept(ServerSocket.java:450)
>     java.net.ServerSocket.accept(ServerSocket.java:421)
>     org.apache.commons.net.ftp.FTPClient._openDataConnection_(FTPClient.java:502)
>     org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2390)
>     org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2364)
>     org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2141)
>     org.apache.servicemix.ftp.FtpPollerEndpoint.pollFileOrDirectory(FtpPollerEndpoint.java:211)
>     org.apache.servicemix.ftp.FtpPollerEndpoint.pollFileOrDirectory(FtpPollerEndpoint.java:203)
>     org.apache.servicemix.ftp.FtpPollerEndpoint.poll(FtpPollerEndpoint.java:78)
>     org.apache.servicemix.common.endpoints.PollingEndpoint$PollSchedulerTask$1.run(PollingEndpoint.java:155)
>     edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:665)
>     edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:690)
>     java.lang.Thread.run(Thread.java:595)
> {code}
> See http://www.nabble.com/FTP-poller-stalls...-tf3490690s12049.html for more information

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