6:10 a.m.
With deadlock detection enabled, occasional null pointer exceptions are experienced when
using the lock() API
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Key: ISPN-594
URL: https://jira.jboss.org/browse/ISPN-594
Project: Infinispan
Issue Type: Bug
Components: Locking and Concurrency
Affects Versions: 4.1.0.CR2
Environment: Deadlock detection +
Reporter: Manik Surtani
Assignee: Manik Surtani
Priority: Critical
Fix For: 4.1.0.CR3
This has to do with the lock container. The stack trace is as follows:
java.lang.NullPointerException
at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:768)
at
org.infinispan.util.concurrent.locks.containers.OwnableReentrantPerEntryLockContainer.getLockFromMap(OwnableReentrantPerEntryLockContainer.java:38)
at
org.infinispan.util.concurrent.locks.containers.OwnableReentrantPerEntryLockContainer.ownsLock(OwnableReentrantPerEntryLockContainer.java:28)
at
org.infinispan.util.concurrent.locks.LockManagerImpl.ownsLock(LockManagerImpl.java:123)
at
org.infinispan.util.concurrent.locks.DeadlockDetectingLockManager.localVsLocalDld(DeadlockDetectingLockManager.java:94)
at
org.infinispan.util.concurrent.locks.DeadlockDetectingLockManager.lockAndRecord(DeadlockDetectingLockManager.java:78)
at org.infinispan.container.EntryFactoryImpl.acquireLock(EntryFactoryImpl.java:205)
at
org.infinispan.container.EntryFactoryImpl.wrapEntryForWriting(EntryFactoryImpl.java:148)
at
org.infinispan.container.EntryFactoryImpl.wrapEntryForWriting(EntryFactoryImpl.java:106)
at
org.infinispan.interceptors.LockingInterceptor.visitLockControlCommand(LockingInterceptor.java:146)
at
org.infinispan.commands.control.LockControlCommand.acceptVisitor(LockControlCommand.java:136)
at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
at
org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:132)
at
org.infinispan.commands.AbstractVisitor.visitLockControlCommand(AbstractVisitor.java:147)
at
org.infinispan.commands.control.LockControlCommand.acceptVisitor(LockControlCommand.java:136)
at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
at
org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:132)
at
org.infinispan.commands.AbstractVisitor.visitLockControlCommand(AbstractVisitor.java:147)
at
org.infinispan.commands.control.LockControlCommand.acceptVisitor(LockControlCommand.java:136)
at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
at
org.infinispan.interceptors.MarshalledValueInterceptor.visitLockControlCommand(MarshalledValueInterceptor.java:92)
at
org.infinispan.commands.control.LockControlCommand.acceptVisitor(LockControlCommand.java:136)
at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
at
org.infinispan.interceptors.TxInterceptor.enlistReadAndInvokeNext(TxInterceptor.java:171)
at
org.infinispan.interceptors.TxInterceptor.visitLockControlCommand(TxInterceptor.java:115)
at
org.infinispan.commands.control.LockControlCommand.acceptVisitor(LockControlCommand.java:136)
at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
at
org.infinispan.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:58)
at
org.infinispan.interceptors.InvocationContextInterceptor.handleDefault(InvocationContextInterceptor.java:39)
at
org.infinispan.commands.AbstractVisitor.visitLockControlCommand(AbstractVisitor.java:147)
at
org.infinispan.commands.control.LockControlCommand.acceptVisitor(LockControlCommand.java:136)
at org.infinispan.interceptors.InterceptorChain.invoke(InterceptorChain.java:271)
at org.infinispan.CacheDelegate.lock(CacheDelegate.java:296)
at org.infinispan.CacheDelegate.lock(CacheDelegate.java:289)
at test.TestReplace.increase(TestReplace.java:112)
at test.TestReplace.access$000(TestReplace.java:20)
at test.TestReplace$XThread.run(TestReplace.java:95)
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