[infinispan-issues] [JBoss JIRA] (ISPN-4446) removeCache fails for caches with a SingleFileStore

[Galder Zamarreño (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-4446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12985669#comment-12985669 ] 

Galder Zamarreño commented on ISPN-4446:
----------------------------------------

I've replicated the NPE in a unit test:

{code}
org.infinispan.commons.CacheException: Error removing cache
	at org.infinispan.manager.DefaultCacheManager.removeCache(DefaultCacheManager.java:484)
	at org.infinispan.persistence.file.SingleFileStoreFunctionalTest.testRemoveCache(SingleFileStoreFunctionalTest.java:113)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:84)
	at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
	at org.testng.TestRunner.privateRun(TestRunner.java:767)
	at org.testng.TestRunner.run(TestRunner.java:617)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:348)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:343)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:305)
	at org.testng.SuiteRunner.run(SuiteRunner.java:254)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1224)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1149)
	at org.testng.TestNG.run(TestNG.java:1057)
	at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:111)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:204)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:175)
	at org.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:125)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
Caused by: org.infinispan.persistence.spi.PersistenceException: java.lang.NullPointerException
	at org.infinispan.persistence.file.SingleFileStore.clear(SingleFileStore.java:416)
	at org.infinispan.persistence.manager.PersistenceManagerImpl.clearAllStores(PersistenceManagerImpl.java:388)
	at org.infinispan.commands.RemoveCacheCommand.perform(RemoveCacheCommand.java:49)
	at org.infinispan.manager.DefaultCacheManager.removeCache(DefaultCacheManager.java:479)
	... 31 more
Caused by: java.lang.NullPointerException
	at org.infinispan.persistence.file.SingleFileStore.clear(SingleFileStore.java:396)
	... 34 more
{code}

> removeCache fails for caches with a SingleFileStore
> ---------------------------------------------------
>
>                 Key: ISPN-4446
>                 URL: https://issues.jboss.org/browse/ISPN-4446
>             Project: Infinispan
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 6.0.2.Final
>            Reporter: Jim Crossley
>            Assignee: Galder Zamarreño
>             Fix For: 7.0.0.CR1, 7.0.0.Final
>
>
> If DefaultCacheManager.isRunning("foo") returns true, and "foo" has an associated SingleFileStore, calling DefaultCacheManager.removeCache("foo") tosses an NPE and isRunning("foo") continues to return true, even though the cache is in a TERMINATED state. I can avoid the NPE by stopping the cache before calling removeCache, but isRunning will still incorrectly return true.



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