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From "Kannan Muthukkaruppan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-5962) interop issue: RowMutations should be added at the end in HbaseObjectWriteable class
Date Tue, 08 May 2012 19:19:48 GMT
Kannan Muthukkaruppan created HBASE-5962:
--------------------------------------------

             Summary: interop issue: RowMutations should be added at the end in HbaseObjectWriteable
class
                 Key: HBASE-5962
                 URL: https://issues.apache.org/jira/browse/HBASE-5962
             Project: HBase
          Issue Type: Bug
            Reporter: Kannan Muthukkaruppan


In HbaseObjectWriteable.java new classes should be added to the end; else, old clients will
not be able to talk to new HBase servers. This is causing issues in test cluster with the
following stack trace:

2012-05-08 11:24:32,416 ERROR org.apache.hadoop.hbase.io.HbaseObjectWritable: Can't find class
java.lang.ClassNotFoundException: 
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:792)
at org.apache.hadoop.hbase.io.HbaseObjectWritable.getClassByName(HbaseObjectWritable.java:552)
at org.apache.hadoop.hbase.io.HbaseObjectWritable.readObject(HbaseObjectWritable.java:520)
at org.apache.hadoop.hbase.ipc.HBaseRPC$Invocation.readFields(HBaseRPC.java:136)
at org.apache.hadoop.hbase.ipc.HBaseServer$Connection.processData(HBaseServer.java:953)
at org.apache.hadoop.hbase.ipc.HBaseServer$Connection.readAndProcess(HBaseServer.java:895)
at org.apache.hadoop.hbase.ipc.HBaseServer$Listener.doRead(HBaseServer.java:471)
at org.apache.hadoop.hbase.ipc.HBaseServer$Listener.run(HBaseServer.java:371)
2012-05-08 11:24:33,766 ERROR org.apache.hadoop.hbase.io.HbaseObjectWritable: Can't find class

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