[jbosscache-issues] [JBoss JIRA] Created: (JBCACHE-1579) NPE on some operations after calling removeNode on an unexistent FQN

[Galder Zamarreno (JIRA)]

NPE on some operations after calling removeNode on an unexistent FQN
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                 Key: JBCACHE-1579
                 URL: https://jira.jboss.org/jira/browse/JBCACHE-1579
             Project: JBoss Cache
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Locking
    Affects Versions: 3.2.2.GA, 3.2.1.GA, 3.2.0.GA, 3.1.0.GA
            Reporter: Galder Zamarreno
            Assignee: Galder Zamarreno


NullPointerException can be thrown when you call removeNode on a non-existing FQN and then call clearData on that FQN, clearData throws an NPE, i.e.

java.lang.NullPointerException
	at org.jboss.cache.invocation.NodeInvocationDelegate.clearDataDirect(NodeInvocationDelegate.java:243)
	at org.jboss.cache.commands.write.ClearDataCommand.perform(ClearDataCommand.java:79)
	at org.jboss.cache.interceptors.CallInterceptor.invokeCommand(CallInterceptor.java:108)
	at org.jboss.cache.interceptors.CallInterceptor.handleAlterCacheMethod(CallInterceptor.java:173)
	at org.jboss.cache.interceptors.CallInterceptor.visitClearDataCommand(CallInterceptor.java:149)
	at org.jboss.cache.commands.write.ClearDataCommand.acceptVisitor(ClearDataCommand.java:86)
	at org.jboss.cache.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:116)
	at org.jboss.cache.interceptors.EvictionInterceptor.visitClearDataCommand(EvictionInterceptor.java:235)
	at org.jboss.cache.commands.write.ClearDataCommand.acceptVisitor(ClearDataCommand.java:86)
	at org.jboss.cache.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:116)
	at org.jboss.cache.interceptors.MVCCLockingInterceptor.handleClearDataCommand(MVCCLockingInterceptor.java:124)
	at org.jboss.cache.interceptors.base.PrePostProcessingCommandInterceptor.visitClearDataCommand(PrePostProcessingCommandInterceptor.java:167)
	at org.jboss.cache.commands.write.ClearDataCommand.acceptVisitor(ClearDataCommand.java:86)

The same thing would occur if you called remove(fqn, key) after calling removeNode(fqn) on an unexistent FQN.

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