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Posted to issues@hbase.apache.org by "Zhihong Yu (Commented) (JIRA)" <ji...@apache.org> on 2012/04/16 22:46:24 UTC
[jira] [Commented] (HBASE-5795) HServerLoad$RegionLoad breaks
0.92<->0.94 compatibility
[ https://issues.apache.org/jira/browse/HBASE-5795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13255032#comment-13255032 ]
Zhihong Yu commented on HBASE-5795:
-----------------------------------
TestReplication failure isn't related to the patch.
Integrated patch v3 to 0.94 and trunk.
Thanks for finding the bug and providing the test, Stack.
Thanks for the review Stack and Lars.
> HServerLoad$RegionLoad breaks 0.92<->0.94 compatibility
> -------------------------------------------------------
>
> Key: HBASE-5795
> URL: https://issues.apache.org/jira/browse/HBASE-5795
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: Zhihong Yu
> Fix For: 0.94.0, 0.96.0
>
> Attachments: 5795-v2.txt, 5795-v3.txt, 5795.unittest.txt
>
>
> This commit broke our 0.92/0.94 compatibility:
> {code}
> ------------------------------------------------------------------------
> r1136686 | stack | 2011-06-16 14:18:08 -0700 (Thu, 16 Jun 2011) | 1 line
> HBASE-3927 display total uncompressed byte size of a region in web UI
> {code}
> I just tried the new RC for 0.94. I brought up a 0.94 master on a 0.92 cluster and rather than just digest version 1 of the HServerLoad, I get this:
> {code}
> 2012-04-14 22:47:59,752 WARN org.apache.hadoop.ipc.HBaseServer: Unable to read call parameters for client 10.4.14.38
> java.io.IOException: Error in readFields
> at org.apache.hadoop.hbase.io.HbaseObjectWritable.readObject(HbaseObjectWritable.java:684)
> at org.apache.hadoop.hbase.ipc.Invocation.readFields(Invocation.java:125)
> at org.apache.hadoop.hbase.ipc.HBaseServer$Connection.processData(HBaseServer.java:1269)
> at org.apache.hadoop.hbase.ipc.HBaseServer$Connection.readAndProcess(HBaseServer.java:1184)
> at org.apache.hadoop.hbase.ipc.HBaseServer$Listener.doRead(HBaseServer.java:722)
> at org.apache.hadoop.hbase.ipc.HBaseServer$Listener$Reader.doRunLoop(HBaseServer.java:513)
> at org.apache.hadoop.hbase.ipc.HBaseServer$Listener$Reader.run(HBaseServer.java:488)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: A record version mismatch occured. Expecting v2, found v1
> at org.apache.hadoop.io.VersionedWritable.readFields(VersionedWritable.java:46)
> at org.apache.hadoop.hbase.HServerLoad$RegionLoad.readFields(HServerLoad.java:379)
> at org.apache.hadoop.hbase.HServerLoad.readFields(HServerLoad.java:686)
> at org.apache.hadoop.hbase.io.HbaseObjectWritable.readObject(HbaseObjectWritable.java:681)
> ... 9 more
> {code}
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