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

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 Assignee: Paul Ferraro {noformat} 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 {noformat}