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Posted to dev@sling.apache.org by "Robert Munteanu (JIRA)" <ji...@apache.org> on 2018/01/25 21:56:00 UTC

[jira] [Updated] (SLING-7432) Thread pool clean up code can lead to infinite loops in ThreadLocal.get

     [ https://issues.apache.org/jira/browse/SLING-7432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Munteanu updated SLING-7432:
-----------------------------------
    Fix Version/s:     (was: Commons Threads 3.2.14)
                   Commons Threads 3.2.16

> Thread pool clean up code can lead to infinite loops in ThreadLocal.get
> -----------------------------------------------------------------------
>
>                 Key: SLING-7432
>                 URL: https://issues.apache.org/jira/browse/SLING-7432
>             Project: Sling
>          Issue Type: Bug
>          Components: Commons
>    Affects Versions: Commons Threads 3.2.10
>            Reporter: Robert Munteanu
>            Assignee: Robert Munteanu
>            Priority: Blocker
>             Fix For: Commons Threads 3.2.16
>
>
> The thread local clean up code added in SLING-6261 leads to Threads stuck in {{ThreadLocal.get}}.
> I am working on a simplified test case, but the stack trace is similar to
> {noformat}
> "pool-1-thread-1" prio=10 tid=0x00007f47f4374800 nid=0xb19 runnable [0x00007f47e734e000]
>    java.lang.Thread.State: RUNNABLE
> 	at java.lang.ThreadLocal$ThreadLocalMap.set(ThreadLocal.java:429)
> 	at java.lang.ThreadLocal$ThreadLocalMap.access$100(ThreadLocal.java:261)
> 	at java.lang.ThreadLocal.set(ThreadLocal.java:183)
> 	at org.apache.sling.commons.threads.impl.ThreadPoolExecutorCleaningThreadLocalsTest$RunnableImplementation.run(ThreadPoolExecutorCleaningThreadLocalsTest.java:100)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}



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