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Bug
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Resolution: Done
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Critical
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8.2.0.Final
HotRodServer.startInternal first starts the Netty transport (with super.startInternal()) and only then initializes the clientListenerRegistry field. That means the server can accept a request before clientListenerRegistry is initialized, causing a NPE in HotRodDecoder.channelActive().
Visible as random failures in DistTopologyChangeUnderLoadSingleOwnerTest.testRestartServerWhilePutting:
00:10:54,718 ERROR (HotRodServerWorker-408-1) [CacheDecodeContext] ISPN005009: Unexpected error before any request parameters read java.lang.NullPointerException
at org.infinispan.server.hotrod.HotRodDecoder.channelActive(HotRodDecoder.scala:284)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelActive(AbstractChannelHandlerContext.java:183)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelActive(AbstractChannelHandlerContext.java:169)
at io.netty.channel.DefaultChannelPipeline.fireChannelActive(DefaultChannelPipeline.java:817)
at io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:453)
at io.netty.channel.AbstractChannel$AbstractUnsafe.access$100(AbstractChannel.java:377)
at io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:423)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:380)
java.util.concurrent.ExecutionException: org.infinispan.client.hotrod.exceptions.HotRodClientException:Request for messageId=46498 returned server error (status=0x85): java.lang.NullPointerException
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at org.infinispan.client.hotrod.DistTopologyChangeUnderLoadSingleOwnerTest.testRestartServerWhilePutting(DistTopologyChangeUnderLoadSingleOwnerTest.java:64)
Caused by: org.infinispan.client.hotrod.exceptions.HotRodClientException:Request for messageId=46498 returned server error (status=0x85): java.lang.NullPointerException
at org.infinispan.client.hotrod.impl.protocol.Codec20.checkForErrorsInResponseStatus(Codec20.java:343)
at org.infinispan.client.hotrod.impl.protocol.Codec20.readPartialHeader(Codec20.java:132)
at org.infinispan.client.hotrod.impl.protocol.Codec20.readHeader(Codec20.java:118)
at org.infinispan.client.hotrod.impl.operations.HotRodOperation.readHeaderAndValidate(HotRodOperation.java:56)
at org.infinispan.client.hotrod.impl.operations.AbstractKeyValueOperation.sendPutOperation(AbstractKeyValueOperation.java:56)
at org.infinispan.client.hotrod.impl.operations.PutOperation.executeOperation(PutOperation.java:32)
at org.infinispan.client.hotrod.impl.operations.RetryOnFailureOperation.execute(RetryOnFailureOperation.java:54)
at org.infinispan.client.hotrod.impl.RemoteCacheImpl.put(RemoteCacheImpl.java:268)
at org.infinispan.client.hotrod.impl.RemoteCacheSupport.put(RemoteCacheSupport.java:79)
at org.infinispan.client.hotrod.DistTopologyChangeUnderLoadSingleOwnerTest$PutHammer.call(DistTopologyChangeUnderLoadSingleOwnerTest.java:76)
at org.infinispan.client.hotrod.DistTopologyChangeUnderLoadSingleOwnerTest$PutHammer.call(DistTopologyChangeUnderLoadSingleOwnerTest.java:67)
at org.infinispan.test.AbstractInfinispanTest$LoggingCallable.call(AbstractInfinispanTest.java:478)
... 4 more