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https://issues.apache.org/jira/browse/GEODE-6901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Barrett Oglesby updated GEODE-6901:
-----------------------------------
Attachment: 0001-GEODE-6901-Modified-RegionVersionVector-to-handle-a-.patch
> If a region is replicate and replicate persistent in different members and a
> replicate persistent member crashes, the replicate members throw a
> ToDataException attempting to synchronize the region
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: GEODE-6901
> URL: https://issues.apache.org/jira/browse/GEODE-6901
> Project: Geode
> Issue Type: Bug
> Components: persistence, regions
> Reporter: Barrett Oglesby
> Priority: Major
> Labels: caching-applications
> Attachments:
> 0001-GEODE-6901-Modified-RegionVersionVector-to-handle-a-.patch
>
>
> If a region is replicate and replicate persistent in different members and a
> replicate persistent member crashes, the replicate members throw a
> ToDataException attempting to synchronize the region
> In this case, an exception like this is thrown in the replicate member:
> {noformat}
> [warn 2019/06/21 17:06:33.516 PDT <Timer-2> tid=0x2b] Timer task
> <org.apache.geode.internal.cache.DistributedRegion$1@6477fd5e> encountered
> exception
> org.apache.geode.ToDataException: class
> org.apache.geode.internal.cache.versions.VMRegionVersionVector
> at
> org.apache.geode.internal.InternalDataSerializer.invokeToData(InternalDataSerializer.java:2331)
> at
> org.apache.geode.internal.InternalDataSerializer.writeDSFID(InternalDataSerializer.java:1492)
> at
> org.apache.geode.internal.InternalDataSerializer.basicWriteObject(InternalDataSerializer.java:2067)
> at org.apache.geode.DataSerializer.writeObject(DataSerializer.java:2943)
> at
> org.apache.geode.internal.cache.InitialImageOperation$RequestImageMessage.toData(InitialImageOperation.java:2135)
> at
> org.apache.geode.internal.InternalDataSerializer.invokeToData(InternalDataSerializer.java:2300)
> at
> org.apache.geode.internal.InternalDataSerializer.writeDSFID(InternalDataSerializer.java:1492)
> at
> org.apache.geode.internal.tcp.MsgStreamer.writeMessage(MsgStreamer.java:242)
> at
> org.apache.geode.distributed.internal.direct.DirectChannel.sendToMany(DirectChannel.java:385)
> at
> org.apache.geode.distributed.internal.direct.DirectChannel.sendToOne(DirectChannel.java:241)
> at
> org.apache.geode.distributed.internal.direct.DirectChannel.send(DirectChannel.java:596)
> at
> org.apache.geode.distributed.internal.membership.gms.mgr.GMSMembershipManager.directChannelSend(GMSMembershipManager.java:1711)
> at
> org.apache.geode.distributed.internal.membership.gms.mgr.GMSMembershipManager.send(GMSMembershipManager.java:1892)
> at
> org.apache.geode.distributed.internal.ClusterDistributionManager.sendViaMembershipManager(ClusterDistributionManager.java:2852)
> at
> org.apache.geode.distributed.internal.ClusterDistributionManager.sendOutgoing(ClusterDistributionManager.java:2779)
> at
> org.apache.geode.distributed.internal.ClusterDistributionManager.sendMessage(ClusterDistributionManager.java:2816)
> at
> org.apache.geode.distributed.internal.ClusterDistributionManager.putOutgoing(ClusterDistributionManager.java:1526)
> at
> org.apache.geode.internal.cache.InitialImageOperation.synchronizeWith(InitialImageOperation.java:649)
> at
> org.apache.geode.internal.cache.DistributedRegion.synchronizeWith(DistributedRegion.java:1321)
> at
> org.apache.geode.internal.cache.DistributedRegion.synchronizeForLostMember(DistributedRegion.java:1310)
> at
> org.apache.geode.internal.cache.DistributedRegion.performSynchronizeForLostMemberTask(DistributedRegion.java:1295)
> at
> org.apache.geode.internal.cache.DistributedRegion$1.run2(DistributedRegion.java:1285)
> at
> org.apache.geode.internal.SystemTimer$SystemTimerTask.run(SystemTimer.java:445)
> at java.util.TimerThread.mainLoop(Timer.java:555)
> at java.util.TimerThread.run(Timer.java:505)
> Caused by: java.lang.ClassCastException:
> org.apache.geode.internal.cache.persistence.DiskStoreID cannot be cast to
> org.apache.geode.distributed.internal.membership.InternalDistributedMember
> at
> org.apache.geode.internal.cache.versions.VMRegionVersionVector.writeMember(VMRegionVersionVector.java:31)
> at
> org.apache.geode.internal.cache.versions.RegionVersionVector.toData(RegionVersionVector.java:1204)
> at
> org.apache.geode.internal.InternalDataSerializer.invokeToData(InternalDataSerializer.java:2300)
> ... 24 more
> {noformat}
> RegionVersionVector.java:1204 is here:
> {noformat}
> for (Map.Entry<T, RegionVersionHolder<T>> entry :
> this.memberToVersion.entrySet()) {
> -> writeMember(entry.getKey(), out);
> InternalDataSerializer.invokeToData(entry.getValue(), out);
> }
> {noformat}
> VMRegionVersionVector expects the entries of the memberToVersion to be keyed
> by InternalDistributedMembers:
> {noformat}
> protected void writeMember(InternalDistributedMember member, DataOutput out)
> throws IOException {
> {noformat}
> Logging in RegionVersionVector.toData shows the RegionVersionVector in this
> member is a VMRegionVersionVector and its memberToVersion map contains
> DiskStoreIDs. This causes the ClassCastException.
> {noformat}
> This RegionVersionVector's (class=VMRegionVersionVector) memberToVersion map
> contains the following 1 entries:
> member=402d383b29fa4c31-8597a3b72674bf5d; class=DiskStoreID
> {noformat}
> The documentation
> (https://gemfire.docs.pivotal.io/98/geode/managing/disk_storage/starting_system_with_disk_stores.html)
> makes it sound like this is a supported configuration:
> {noformat}
> For replicated regions, where you define persistence only in some of the
> region's host members, start the persistent replicate members prior to the
> non-persistent replicate members to make sure the data is recovered from disk.
> {noformat}
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