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Posted to dev@uima.apache.org by "Marshall Schor (Jira)" <de...@uima.apache.org> on 2019/10/17 20:01:00 UTC
[jira] [Commented] (UIMA-6129) The thread may deadlock if other
thread interrupted which use jcas
[ https://issues.apache.org/jira/browse/UIMA-6129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16954064#comment-16954064 ]
Marshall Schor commented on UIMA-6129:
--------------------------------------
Can we close this issue at this point?
> The thread may deadlock if other thread interrupted which use jcas
> -------------------------------------------------------------------
>
> Key: UIMA-6129
> URL: https://issues.apache.org/jira/browse/UIMA-6129
> Project: UIMA
> Issue Type: Bug
> Components: UIMA
> Affects Versions: 2.10.4SDK
> Reporter: li Gongrong
> Priority: Major
>
> I use FutureTask to kill the thread spend a lot of time，but it will cause deadlock.
> {code:java}
> at sun.misc.Unsafe.park(Native Method)at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x000000070435e808> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at org.apache.uima.jcas.impl.JCasHashMapSubMap.getReserve(JCasHashMapSubMap.java:303) at org.apache.uima.jcas.impl.JCasHashMap.getReserve(JCasHashMap.java:318) at org.apache.uima.jcas.impl.JCasImpl.getJfsFromCaddr(JCasImpl.java:1154) at org.apache.uima.jcas.impl.JCasImpl$JCasFsGenerator.createFS(JCasImpl.java:912) at org.apache.uima.jcas.impl.JCasImpl$JCasFsGenerator.createFS(JCasImpl.java:873) at org.apache.uima.cas.impl.CASImpl.ll_getFSForRef(CASImpl.java:3751) at org.apache.uima.cas.impl.CASImpl.createFS(CASImpl.java:2231) at org.apache.uima.cas.impl.FSIteratorWrapper.get(FSIteratorWrapper.java:63) at org.apache.uima.cas.impl.FSIteratorAggregate.get(FSIteratorAggregate.java:76) at org.apache.uima.cas.impl.FSIteratorImplBase.next(FSIteratorImplBase.java:66) at org.apache.uima.cas.impl.FSIteratorImplBase.next(FSIteratorImplBase.java:32)
> {code}
> why ?
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