[infinispan-issues] [JBoss JIRA] (ISPN-8939) Unsafe iteration over non-concurrent data structure in StateReceiverImpl.

[Paul Ferraro (JIRA)]

Paul Ferraro created ISPN-8939:
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             Summary: Unsafe iteration over non-concurrent data structure in StateReceiverImpl.
                 Key: ISPN-8939
                 URL: https://issues.jboss.org/browse/ISPN-8939
             Project: Infinispan
          Issue Type: Bug
          Components: Core
    Affects Versions: 9.2.0.Final
            Reporter: Paul Ferraro


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16:39:56,137 WARN  [org.infinispan.factories.ComponentRegistry] (ServerService Thread Pool -- 74) ISPN000189: While stopping a cache or cache manager, one of its components failed to stop: org.infinispan.commons.CacheException: Unable to invoke method public void org.infinispan.conflict.impl.StateReceiverImpl.stop() on object of type StateReceiverImpl
    at org.infinispan.commons.util.SecurityActions.lambda$invokeAccessibly$0(SecurityActions.java:83)
    at org.infinispan.commons.util.SecurityActions.doPrivileged(SecurityActions.java:71)
    at org.infinispan.commons.util.SecurityActions.invokeAccessibly(SecurityActions.java:76)
    at org.infinispan.commons.util.ReflectionUtil.invokeAccessibly(ReflectionUtil.java:185)
    at org.infinispan.factories.AbstractComponentRegistry$PrioritizedMethod.invoke(AbstractComponentRegistry.java:968)
    at org.infinispan.factories.AbstractComponentRegistry.lambda$internalStop$7(AbstractComponentRegistry.java:741)
    at org.infinispan.factories.SecurityActions.lambda$run$1(SecurityActions.java:72)
    at org.infinispan.security.Security.doPrivileged(Security.java:76)
    at org.infinispan.factories.SecurityActions.run(SecurityActions.java:71)
    at org.infinispan.factories.AbstractComponentRegistry.internalStop(AbstractComponentRegistry.java:734)
    at org.infinispan.factories.AbstractComponentRegistry.stop(AbstractComponentRegistry.java:639)
    at org.infinispan.factories.ComponentRegistry.stop(ComponentRegistry.java:256)
    at org.infinispan.cache.impl.CacheImpl.performImmediateShutdown(CacheImpl.java:1046)
    at org.infinispan.cache.impl.CacheImpl.stop(CacheImpl.java:1010)
    at org.infinispan.cache.impl.AbstractDelegatingCache.stop(AbstractDelegatingCache.java:420)
    at org.infinispan.cache.impl.AbstractDelegatingCache.stop(AbstractDelegatingCache.java:420)
    at org.wildfly.clustering.infinispan.spi.service.CacheBuilder.accept(CacheBuilder.java:78)
    at org.wildfly.clustering.infinispan.spi.service.CacheBuilder.accept(CacheBuilder.java:54)
    at org.wildfly.clustering.service.SuppliedValueService.lambda$new$1(SuppliedValueService.java:44)
    at org.wildfly.clustering.service.FunctionalValueService.stop(FunctionalValueService.java:78)
    at org.wildfly.clustering.service.AsynchronousServiceBuilder.lambda$stop$1(AsynchronousServiceBuilder.java:124)
    at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
    at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1985)
    at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1487)
    at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1378)
    at java.lang.Thread.run(Thread.java:748)
    at org.jboss.threads.JBossThread.run(JBossThread.java:485)
Caused by: java.util.ConcurrentModificationException
    at java.util.HashMap.forEach(HashMap.java:1292)
    at org.infinispan.conflict.impl.StateReceiverImpl$SegmentRequest.cancel(StateReceiverImpl.java:203)
    at org.infinispan.conflict.impl.StateReceiverImpl.stop(StateReceiverImpl.java:66)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.infinispan.commons.util.SecurityActions.lambda$invokeAccessibly$0(SecurityActions.java:79)
    ... 26 more
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