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From "rajeshbabu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-9177) Cluster UUID is not properly parsable after rewriting to PB.
Date Fri, 09 Aug 2013 20:02:50 GMT
rajeshbabu created HBASE-9177:
---------------------------------

             Summary: Cluster UUID is not properly parsable after rewriting to PB.
                 Key: HBASE-9177
                 URL: https://issues.apache.org/jira/browse/HBASE-9177
             Project: HBase
          Issue Type: Bug
    Affects Versions: 0.98.0, 0.95.2
            Reporter: rajeshbabu


I am facing this problem while testing HBASE-8348(migration).
->I have started two clusters with 0.94 version to replicate data from one cluster to other.
When we have started master,writing cluster id without PB. 
-> killed both the clusters when Replication in progress
-> running migration script to migrate hdfs and zk data to 0.96.0(No changes in cluster
id.)
-> starting 0.96.0 processes. 
Then not able to start region server.
{code}
java.io.IOException: Region server startup failed
	at org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:2629)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1202)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:802)
	at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NumberFormatException: For input string: " $411f611e
	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
	at java.lang.Long.parseLong(Long.java:410)
	at java.lang.Long.valueOf(Long.java:498)
	at java.lang.Long.decode(Long.java:641)
	at java.util.UUID.fromString(UUID.java:208)
	at org.apache.hadoop.hbase.zookeeper.ZKClusterId.getUUIDForCluster(ZKClusterId.java:90)
	at org.apache.hadoop.hbase.replication.regionserver.Replication.initialize(Replication.java:127)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.newReplicationInstance(HRegionServer.java:2248)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.createNewReplicationInstance(HRegionServer.java:2219)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.setupWALAndReplication(HRegionServer.java:1423)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1190)
	... 2 more
{code}

{code}
      try {
        clusterId = ClusterId.parseFrom(content);
      } catch (DeserializationException e) {
        throw new IOException("content=" + Bytes.toString(content), e);
      }
      // If not pb'd, make it so.
      if (!ProtobufUtil.isPBMagicPrefix(content)) rewriteAsPb(fs, rootdir, idPath, clusterId);
{code}


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