Robert Munteanu created SLING-7432:
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Summary: 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
Fix For: Commons Threads 3.2.14
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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