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Date: Wed, 2 Aug 2017 00:49:00 +0000 (UTC)
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Subject: [jira] [Commented] (GEODE-3315) NullPointerException creating a
 copy of a client queue when gemfire.PREFER_SERIALIZED=true
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archived-at: Wed, 02 Aug 2017 00:49:05 -0000


    [ https://issues.apache.org/jira/browse/GEODE-3315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16110066#comment-16110066 ] 

ASF GitHub Bot commented on GEODE-3315:
---------------------------------------

Github user upthewaterspout closed the pull request at:

    https://github.com/apache/geode/pull/658


> NullPointerException creating a copy of a client queue when gemfire.PREFER_SERIALIZED=true
> ------------------------------------------------------------------------------------------
>
>                 Key: GEODE-3315
>                 URL: https://issues.apache.org/jira/browse/GEODE-3315
>             Project: Geode
>          Issue Type: Bug
>          Components: client queues
>            Reporter: Dan Smith
>            Assignee: Dan Smith
>
> In the case of an HARegion, AbstractRegionMap.initialImagePut deserializes the value to set the haContainer. Normally, that value is a wrapped by a VMCachedDeserializable, and deserializing it replaces it in the VMCachedDeserializable. With -Dgemfire.PREFER_SERIALIZED=true, the value is wrapped by a PreferBytesCachedDeserializable and deserializing it creates a copy of the value. It doesn't replace it in the PreferBytesCachedDeserializable.
> So, in this case, the haContainer is being set on a copy of the value, not the value itself. It has no effect, and the value put into the HARegion has no haContainer.
> This is not really an issue until this member needs to provide an initial image for another member.
> At that time, a NullPointerException like this occurs:
> {noformat}
> [vm3] Caused by: java.lang.NullPointerException
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.internal.cache.tier.sockets.HAEventWrapper.toData(HAEventWrapper.java:287)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.internal.InternalDataSerializer.invokeToData(InternalDataSerializer.java:2299)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.internal.InternalDataSerializer.writeDSFID(InternalDataSerializer.java:1406)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.internal.InternalDataSerializer.basicWriteObject(InternalDataSerializer.java:2067)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.DataSerializer.writeObject(DataSerializer.java:2936)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.internal.util.BlobHelper.serializeToBlob(BlobHelper.java:53)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.internal.cache.EntryEventImpl.serialize(EntryEventImpl.java:1969)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.internal.cache.EntryEventImpl.serialize(EntryEventImpl.java:1955)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.internal.cache.PreferBytesCachedDeserializable.<init>(PreferBytesCachedDeserializable.java:69)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.internal.cache.CachedDeserializableFactory.create(CachedDeserializableFactory.java:82)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.internal.cache.AbstractRegionMap.initialImagePut(AbstractRegionMap.java:778)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.internal.cache.InitialImageOperation.processChunk(InitialImageOperation.java:928)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.internal.cache.InitialImageOperation$ImageProcessor.process(InitialImageOperation.java:1249)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.distributed.internal.ReplyMessage.process(ReplyMessage.java:213)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.internal.cache.InitialImageOperation$ImageReplyMessage.process(InitialImageOperation.java:2725)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.distributed.internal.ReplyMessage.dmProcess(ReplyMessage.java:193)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.distributed.internal.ReplyMessage.process(ReplyMessage.java:186)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.distributed.internal.DistributionMessage.scheduleAction(DistributionMessage.java:374)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.distributed.internal.DistributionMessage$1.run(DistributionMessage.java:440)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.distributed.internal.DistributionManager.runUntilShutdown(DistributionManager.java:665)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in org.apache.geode.distributed.internal.DistributionManager$5$1.run(DistributionManager.java:961)
> [vm3] 	at Remote Member '172.16.115.245(73551)<v3>:32772' in java.lang.Thread.run(Thread.java:748)
> {noformat}


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