[jcifs] Blocking on lock for Dfs object?

[Vella, Shon]

This may be addressed by one of the patches submitted by Google.

http://article.gmane.org/gmane.network.samba.java/9410

*Shon Vella*
*Identity Automation*
Product Engineer
281-220-0021 x2030 office
281-817-5579 fax
www.identityautomation.com

On Fri, Jan 30, 2015 at 7:07 AM, Bryan Klopfenstein <
klopfensteinb at cintas.com> wrote:

> Hi all, we are encountering lock issues with Dfs object that are nearly
> constant since Jan 5 with a system that has been working for two years.
> Stack trace of stuck thread in weblogic below, showing wait on lock on Dfs
> object. Any ideas on where we hunt for cause?
>
> <Jan 27, 2015 10:13:51 PM EST> <Error> <WebLogicServer> <BEA-000337>
> <[STUCK] ExecuteThread: '14' for queue: 'weblogic.kernel.Default (self-
> tuning)' has been busy for "634" seconds working on the request
> "weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl at 11234004", which
> is
> more than the configured time (StuckThreadMaxTime) of "600" seconds. Stack
> trace:
> Thread-171 "[STUCK] ExecuteThread: '14' for queue: 'weblogic.kernel.Default
> (self-tuning)'" <alive, suspended, blocked, priority=1, DAEMON> {
>     -- Blocked trying to get lock: jcifs.smb.Dfs at 115a1358[fat lock]
>     jcifs.smb.Dfs.resolve(Dfs.java:159)
>     jcifs.smb.SmbFile.resolveDfs(SmbFile.java:666)
>     jcifs.smb.SmbFile.send(SmbFile.java:773)
>     jcifs.smb.SmbFile.open0(SmbFile.java:972)
>     jcifs.smb.SmbFile.open(SmbFile.java:1003)
>     jcifs.smb.SmbFileOutputStream.<init>(SmbFileOutputStream.java:123)
>     jcifs.smb.SmbFileOutputStream.<init>(SmbFileOutputStream.java:97)
>     jcifs.smb.SmbFileOutputStream.<init>(SmbFileOutputStream.java:67)
>
>
> com.cintas.filenet.invoice.signature.SignaturePDFMessageImpl.getFileShareCon
> nection(SignaturePDFMessageImpl.java:145)
>
>
> com.cintas.filenet.invoice.signature.SignaturePDFMessageImpl.convertImageToP
> DF(SignaturePDFMessageImpl.java:78)
>
>
> com.cintas.filenet.invoice.signature.SignaturePDFMessageImpl.onMessage(Signa
> turePDFMessageImpl.java:49)
>     weblogic.ejb.container.internal.MDListener.execute(MDListener.java:403)
>
>
> weblogic.ejb.container.internal.MDListener.transactionalOnMessage(MDListener
> .java:352)
>
> weblogic.ejb.container.internal.MDListener.onMessage(MDListener.java:264)
>     weblogic.jms.client.JMSSession.onMessage(JMSSession.java:4638)
>     weblogic.jms.client.JMSSession.execute(JMSSession.java:4134)
>     weblogic.jms.client.JMSSession.executeMessage(JMSSession.java:3820)
>     weblogic.jms.client.JMSSession.access$000(JMSSession.java:115)
>     weblogic.jms.client.JMSSession$UseForRunnable.run(JMSSession.java:5170)
>
>
> weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkMa
> nagerImpl.java:528)
>     weblogic.work.ExecuteThread.execute(ExecuteThread.java:198)
>     weblogic.work.ExecuteThread.run(ExecuteThread.java:165)
> }
>
>
>
>
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