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Posted to issues@hbase.apache.org by "Zhihong Yu (Updated) (JIRA)" <ji...@apache.org> on 2012/04/16 22:42:29 UTC
[jira] [Updated] (HBASE-5795) HServerLoad$RegionLoad breaks
0.92<->0.94 compatibility
[ https://issues.apache.org/jira/browse/HBASE-5795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zhihong Yu updated HBASE-5795:
------------------------------
Assignee: Zhihong Yu (was: stack)
Summary: HServerLoad$RegionLoad breaks 0.92<->0.94 compatibility (was: hbase-3927 breaks 0.92<->0.94 compatibility)
> 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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