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Bug
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Resolution: Done
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Critical
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4.2.1.FINAL, 5.0.0.BETA2
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Low
Due to a missing null check in MergeTask, and the way TopologyInfo instances are dealt with (inconsistently) in DistributionManagerImpl and ConsistentHash implementations.
In this scenario, seen on the joining node:
Caused by: java.lang.NullPointerException at org.infinispan.distribution.DistributionManagerImpl.informRehashOnJoin(DistributionManagerImpl.java:475) at org.infinispan.commands.control.RehashControlCommand.perform(RehashControlCommand.java:134) at org.infinispan.remoting.InboundInvocationHandlerImpl.handleInternal(InboundInvocationHandlerImpl.java:145) at org.infinispan.remoting.InboundInvocationHandlerImpl.handleWithWaitForBlocks(InboundInvocationHandlerImpl.java:159) at org.infinispan.remoting.InboundInvocationHandlerImpl.handleWithRetry(InboundInvocationHandlerImpl.java:249) at org.infinispan.remoting.InboundInvocationHandlerImpl.handle(InboundInvocationHandlerImpl.java:131) at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.executeCommand(CommandAwareRpcDispatcher.java:159) at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.handle(CommandAwareRpcDispatcher.java:144) at org.jgroups.blocks.RequestCorrelator.handleRequest(RequestCorrelator.java:577) at org.jgroups.blocks.RequestCorrelator.receiveMessage(RequestCorrelator.java:488) at org.jgroups.blocks.RequestCorrelator.receive(RequestCorrelator.java:364)
and on the coordinator:
Caused by: java.lang.NullPointerException
at org.infinispan.distribution.DistributionManagerImpl.rehash(DistributionManagerImpl.java:283)
at org.infinispan.distribution.DistributionManagerImpl$ViewChangeListener.handleViewChange(DistributionManagerImpl.java:563)
at sun.reflect.GeneratedMethodAccessor482.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.infinispan.notifications.AbstractListenerImpl$ListenerInvocation$1.run(AbstractListenerImpl.java:175)
