li Gongrong created UIMA-6129:
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Summary: 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
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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