[jcifs] [Forwarded to the list.]

[Christopher R. Hertel]

I need to contact Tim and figure out why this message didn't make it to 
the jCIFS list.  In the meantime, I am forwarding it to the list.

Chris -)-----

----- Forwarded message from Greg Pavlik <greg_pavlik at mediagroks.com> -----
>
> From: Greg Pavlik <greg_pavlik at mediagroks.com> 
> Date: Fri Jul 05, 2002  03:52:36 PM US/Eastern 
> To: jcifs at lists.samba.org 
> Subject: deadlock/hanging 
> 
> 
> I am experiencing some strange behavior with JCIFS. When I run the 
> client, the client hangs, and while this is repeatable, it doesn't 
> happen in all test cases. It always occurs when I run inside of a 
> more complicated Java program, in this case an app server -- though I 
> am executing tests serially. I am accessing a share that is on my 
> test box (the box that is running the client), a Windows2000 HP 
> laptop. 
> 
> What is even more unexpected is that all clients will hang even if 
> the test runner is restarted. I can not get an SMB client to not hang 
> when connecting to my share unless I reboot the entire machine. 
> 
> My code at this point is creating a new SmbFile using the constructor 
> public SmbFile( SmbFile file) -- ie, it is presumably leveraging an 
> existing connection to resolve to a new resource. 
> 
> The following is a stack trace from the blocking thread. Any tips 
> would be greatly appreciated. Thanks. 
> 
> "executor-1" prio=5 tid=0xd7ef598 nid=0x6ac waiting on monitor 
> [0x10b5f000..0x10b5fdbc] 
>        at java.lang.Object.wait(Native Method) 
>        - waiting on <2b9f700> (a java.lang.Object) 
>        at java.lang.Object.wait(Object.java:420) 
>        at 
> jcifs.UniAddress.lookupServerOrWorkgroup(UniAddress.java:162) 
>        - locked <2b9f700> (a java.lang.Object) 
>        at jcifs.UniAddress.getByName(UniAddress.java:253) 
>        at jcifs.smb.SmbURL.parseSmbURL(SmbURL.java:76) 
>        at jcifs.smb.SmbFile.<init>(SmbFile.java:371) 
>        at jcifs.smb.SmbFile.<init>(SmbFile.java:324) 
>        at 
> 
> com.mediagroks.distribution.smb.CIFSDestination.establishConnectionToResourc 
> 
> e(CIFSDestination.java:47) 
>        at 
> 
> com.mediagroks.distribution.smb.CIFSDestination.connect(CIFSDestination.java 
> 
> :40) 
>        at 
> 
> com.mediagroks.distribution.smb.CIFSDestination.connect(CIFSDestination.java 
> 
> :34) 
>        at 
> 
> com.mediagroks.integrators.distribution.jca.spi.DistributionManagedConnectio 
> 
> n.get(DistributionManagedConnection.java:143) 
> 
>        at 
> com.mediagroks.integrators.distribution.jca.GetInteractionSpec.visit 
> (GetInte 
> ractionSpec.java:64) 
>        at 
> 
> com.mediagroks.integrators.distribution.jca.DistributionInteraction.accept( 
> 
> D 
> istributionInteraction.java:67) 
>        at 
> 
> com.mediagroks.integrators.distribution.jca.DistributionInteraction.execute( 
> 
> DistributionInteraction.java:49) 
>        at 
> com.mediagroks.integrators.distribution.jca.TestServlet.doGet 
> (TestServlet.ja 
> va:129) 
>        at 
> javax.servlet.http.HttpServlet.service(HttpServlet.java:740) 
>        at 
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853) 
>        at 
> 
> com.hp.mwlabs.j2ee.containers.servlet.WebApplicationBean$ServicePrivilegedAc 
> 
> tion.run(WebApplicationBean.java:4531) 
>        at java.security.AccessController.doPrivileged(Native Method) 
>        at 
> javax.security.auth.Subject.doAsPrivileged(Subject.java:558) 
>        at 
> com.hp.mwlabs.j2ee.containers.servlet.WebApplicationBean.service 
> (WebApplicat 
> ionBean.java:1978) 
>        at 
> 
> com.hp.mwlabs.j2ee.containers.servlet.RequestDispatcherImpl.forwardOrInclude 
> 
> (RequestDispatcherImpl.java:409) 
>        at 
> com.hp.mwlabs.j2ee.containers.servlet.RequestDispatcherImpl.forward 
> (RequestD 
> ispatcherImpl.java:134) 
>        at 
> 
> com.hp.mwlabs.j2ee.containers.servlet.ServletContainerBean.processRequest( 
> 
> Se 
> rvletContainerBean.java:776) 
>        at 
> 
> com.hp.mwlabs.as.services.servlet.ServletContainerService.processRequest 
> 
> (Ser 
> vletContainerService.java:542) 
>        at java.lang.reflect.Method.invoke(Native Method) 
>        at 
> com.hp.mw.common.util.PolymorphicInvocationHandler.invoke 
> (PolymorphicInvocat 
> ionHandler.java:223) 
>        at 
> com.hp.mwlabs.csf.ServiceInvocationHandler.invoke 
> (ServiceInvocationHandler.j 
> ava:184) 
>        at $Proxy87.processRequest(Unknown Source) 
>        at 
> 
> com.hp.mwlabs.as.services.listeners.http.HttpRequestHandler.executeImpl 
> 
> (Http 
> RequestHandler.java:229) 
>        at 
> com.hp.mw.as.services.listeners.BaseRequestHandler.execute 
> (BaseRequestHandle 
> r.java:124) 
>        at 
> 
> com.hp.mwlabs.common.util.ExecutorPool$Entry.execute(ExecutorPool.java:400) 
> 
>        at 
> 
> com.hp.mwlabs.common.util.PeriodicExecutor.run(PeriodicExecutor.java:630) 
> 
>        at java.lang.Thread.run(Thread.java:484) 
> 
> 
> 
> 



----- End forwarded message -----