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From "Howard M. Lewis Ship (JIRA)" <...@tapestry.apache.org>
Subject [jira] Assigned: (TAPESTRY-2473) Thread Lock Ups, unkonwn cause
Date Mon, 23 Jun 2008 17:34:45 GMT

     [ https://issues.apache.org/jira/browse/TAPESTRY-2473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Howard M. Lewis Ship reassigned TAPESTRY-2473:
----------------------------------------------

    Assignee: Howard M. Lewis Ship

> Thread Lock Ups, unkonwn cause
> ------------------------------
>
>                 Key: TAPESTRY-2473
>                 URL: https://issues.apache.org/jira/browse/TAPESTRY-2473
>             Project: Tapestry
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: 5.0.11, 5.0.12, 5.0.13
>         Environment: Red Hat, Tomcat, java version "1.5.0_10"
>            Reporter: Fernando
>            Assignee: Howard M. Lewis Ship
>            Priority: Critical
>         Attachments: js.txt, js2.txt
>
>
> We are running in production, and pretty regularly the system seems to hang up.  After
I do a jstack it looks like all the threads are tied up against some lock.
> Can you help me figure out the root cause?
> I will be attaching the full jstack the the stuck threads all look like:
> Thread 25014: (state = BLOCKED)
>  - sun.misc.Unsafe.park(boolean, long) @bci=0 (Compiled frame; information may be imprecise)
>  - java.util.concurrent.locks.LockSupport.park() @bci=5, line=118 (Compiled frame)
>  - java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireShared(int) @bci=10,
line=1124 (Compiled frame)
>  - org.apache.tapestry.ioc.internal.util.ConcurrentBarrier.withRead(org.apache.tapestry.ioc.internal.util.Invokable)
@bci=27, line=70 (Compiled frame)
>  - $RequestHandler_11aa7f96e6c.service(org.apache.tapestry.services.Request, org.apache.tapestry.services.Response)
@bci=10 (Compiled frame)
>  - org.apache.tapestry.services.TapestryModule$12.service(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse) @bci=40, line=924 (Compiled frame)
>  - $HttpServletRequestHandler_11aa7f96e65.service(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse) @bci=10 (Compiled frame)
>  - org.apache.tapestry.internal.services.IgnoredPathsFilter.service(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse, org.apache.tapestry.services.HttpServletRequestHandler)
@bci
> =95, line=62 (Compiled frame)
>  - $HttpServletRequestFilter_11aa7f96e63.service(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse, org.apache.tapestry.services.HttpServletRequestHandler)
@bci=7 (Compiled frame)
>  - $HttpServletRequestHandler_11aa7f96e65.service(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse) @bci=10 (Compiled frame)
>  - $HttpServletRequestHandler_11aa7f96e65.service(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse) @bci=10 (Compiled frame)
>  - org.apache.tapestry.TapestryFilter.doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse,
javax.servlet.FilterChain) @bci=12, line=168 (Compiled frame)
>  ......

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