[infinispan-issues] [JBoss JIRA] (ISPN-6368) Race condition in InternalCacheRegistryImpl.registerInternalCache

[Adrian Nistor (JIRA)]

Adrian Nistor created ISPN-6368:
-----------------------------------

             Summary: Race condition in InternalCacheRegistryImpl.registerInternalCache
                 Key: ISPN-6368
                 URL: https://issues.jboss.org/browse/ISPN-6368
             Project: Infinispan
          Issue Type: Bug
          Components: Core
            Reporter: Adrian Nistor


Access to internalCaches set can cause race conditions and errors related to duplicate cache definitions can be mistakenly reported. 

{code}
17:51:40,668 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-3) MSC000001: Failed to start service jboss.datagrid-infinispan.clustered.disttestcache: org.jboss.msc.service.StartException in service jboss.datagrid-infinispan.clustered.disttestcache: Failed to start service
	at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1904)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.infinispan.commons.CacheConfigurationException: ISPN000358: A cache configuration named ___query_known_classes already exists. This cannot be configured externally by the user.
	at org.infinispan.registry.impl.InternalCacheRegistryImpl.registerInternalCache(InternalCacheRegistryImpl.java:56)
	at org.infinispan.registry.impl.InternalCacheRegistryImpl.registerInternalCache(InternalCacheRegistryImpl.java:49)
	at org.infinispan.query.backend.QueryKnownClasses.startInternalCache(QueryKnownClasses.java:219)
	at org.infinispan.query.backend.QueryKnownClasses.start(QueryKnownClasses.java:119)
	at org.infinispan.query.backend.QueryInterceptor.start(QueryInterceptor.java:129)
	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.ReflectionUtil.invokeAccessibly(ReflectionUtil.java:168)
	at org.infinispan.factories.AbstractComponentRegistry$PrioritizedMethod.invoke(AbstractComponentRegistry.java:859)
	at org.infinispan.factories.AbstractComponentRegistry.invokeStartMethods(AbstractComponentRegistry.java:628)
	at org.infinispan.factories.AbstractComponentRegistry.internalStart(AbstractComponentRegistry.java:617)
	at org.infinispan.factories.AbstractComponentRegistry.start(AbstractComponentRegistry.java:542)
	at org.infinispan.factories.ComponentRegistry.start(ComponentRegistry.java:238)
	at org.infinispan.cache.impl.CacheImpl.start(CacheImpl.java:849)
	at org.infinispan.manager.DefaultCacheManager.wireAndStartCache(DefaultCacheManager.java:635)
	at org.infinispan.manager.DefaultCacheManager.createCache(DefaultCacheManager.java:585)
	at org.infinispan.manager.DefaultCacheManager.getCache(DefaultCacheManager.java:451)
	at org.infinispan.manager.impl.AbstractDelegatingEmbeddedCacheManager.getCache(AbstractDelegatingEmbeddedCacheManager.java:133)
	at org.infinispan.server.infinispan.SecurityActions$5.run(SecurityActions.java:130)
	at org.infinispan.server.infinispan.SecurityActions$5.run(SecurityActions.java:127)
	at org.infinispan.security.Security.doPrivileged(Security.java:76)
	at org.infinispan.server.infinispan.SecurityActions.doPrivileged(SecurityActions.java:63)
	at org.infinispan.server.infinispan.SecurityActions.startCache(SecurityActions.java:135)
	at org.jboss.as.clustering.infinispan.subsystem.CacheService.start(CacheService.java:86)
	at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1948)
	at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1881)
	... 3 more
{code}



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