[HBASE-5962] interop issue: RowMutations should be added at the end in HbaseObjectWriteable class

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.95.0
• Assignee: Unassigned
• Reporter: Kannan Muthukkaruppan
• Created: 08/May/12 19:18
• Updated: 23/Sep/13 18:31
• Resolved: 16/May/12 20:04

Description

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