[ https://issues.apache.org/jira/browse/HBASE-5962?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kannan Muthukkaruppan resolved HBASE-5962. ------------------------------------------ Resolution: Fixed Fix Version/s: 0.89-fb 0.96.0 > 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 > Fix For: 0.96.0, 0.89-fb > > > 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 -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira