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From beeshma r <beeshm...@gmail.com>
Subject HRegionServer failed due to replication
Date Sat, 10 Oct 2015 10:24:53 GMT
Hi

i created Solr index using *HBase-indexer(NGDATA/hbase-indexer*)
<https://github.com/NGDATA/hbase-indexer/wiki> . Afer that Regionserver is
failed due to below error

2015-10-08 09:33:17,115 INFO
[regionserver60020-SendThread(localhost:2181)] zookeeper.ClientCnxn:
Session establishment complete on server localhost/127.0.0.1:2181,
sessionid = 0x15048410a180007, negotiated timeout = 90000
2015-10-08 09:33:17,120 INFO  [regionserver60020]
regionserver.HRegionServer: STOPPED: Failed initialization
2015-10-08 09:33:17,122 ERROR [regionserver60020]
regionserver.HRegionServer: Failed init
java.io.IOException: Failed replication handler create
    at
org.apache.hadoop.hbase.replication.regionserver.Replication.initialize(Replication.java:125)
    at
org.apache.hadoop.hbase.regionserver.HRegionServer.newReplicationInstance(HRegionServer.java:2427)
    at
org.apache.hadoop.hbase.regionserver.HRegionServer.createNewReplicationInstance(HRegionServer.java:2397)
    at
org.apache.hadoop.hbase.regionserver.HRegionServer.setupWALAndReplication(HRegionServer.java:1529)
    at
org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1286)
    at
org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:862)
    at java.lang.Thread.run(Thread.java:724)
Caused by: org.apache.hadoop.hbase.replication.ReplicationException: Error
connecting to peer with id=Indexer_myindexer1
    at
org.apache.hadoop.hbase.replication.ReplicationPeersZKImpl.connectToPeer(ReplicationPeersZKImpl.java:248)
    at
org.apache.hadoop.hbase.replication.ReplicationPeersZKImpl.connectExistingPeers(ReplicationPeersZKImpl.java:416)
    at
org.apache.hadoop.hbase.replication.ReplicationPeersZKImpl.init(ReplicationPeersZKImpl.java:103)
    at
org.apache.hadoop.hbase.replication.regionserver.Replication.initialize(Replication.java:120)
    ... 6 more
Caused by: org.apache.hadoop.hbase.replication.ReplicationException: Error
starting the peer state tracker for peerId=Indexer_myindexer1
    at
org.apache.hadoop.hbase.replication.ReplicationPeersZKImpl.getPeer(ReplicationPeersZKImpl.java:513)
    at
org.apache.hadoop.hbase.replication.ReplicationPeersZKImpl.connectToPeer(ReplicationPeersZKImpl.java:246)
    ... 9 more
Caused by: org.apache.zookeeper.KeeperException$DataInconsistencyException:
KeeperErrorCode = DataInconsistency
    at org.apache.hadoop.hbase.zookeeper.ZKUtil.convert(ZKUtil.java:1859)
    at
org.apache.hadoop.hbase.replication.ReplicationPeer.startStateTracker(ReplicationPeer.java:102)
    at
org.apache.hadoop.hbase.replication.ReplicationPeersZKImpl.getPeer(ReplicationPeersZKImpl.java:511)
    ... 10 more
Caused by: org.apache.hadoop.hbase.exceptions.DeserializationException:
Missing pb magic PBUF prefix
    at
org.apache.hadoop.hbase.protobuf.ProtobufUtil.expectPBMagicPrefix(ProtobufUtil.java:256)
    at
org.apache.hadoop.hbase.replication.ReplicationPeer.parseStateFrom(ReplicationPeer.java:304)
    at
org.apache.hadoop.hbase.replication.ReplicationPeer.isStateEnabled(ReplicationPeer.java:293)
    at
org.apache.hadoop.hbase.replication.ReplicationPeer.readPeerStateZnode(ReplicationPeer.java:107)
    at
org.apache.hadoop.hbase.replication.ReplicationPeer.startStateTracker(ReplicationPeer.java:100)
    ... 11 more


*This is my Hbase-site.xml configration*

<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>hbase.master</name>
<value>master:9000</value>
</property>
<property>
    <name>hbase.rootdir</name>
    <value>hdfs://localhost:9000/hbase</value>
  </property>
  <property>
    <name>hbase.zookeeper.property.dataDir</name>
    <value>/home/beeshma/zookeeper</value>
  </property>
<property>
  <name>hbase.cluster.distributed</name>
  <value>true</value>
</property>
  <!-- SEP is basically replication, so enable it -->
  <property>
    <name>hbase.replication</name>
    <value>true</value>
  </property>
  <!-- Source ratio of 100% makes sure that each SEP consumer is actually
       used (otherwise, some can sit idle, especially with small clusters)
-->
  <property>
    <name>replication.source.ratio</name>
    <value>1.0</value>
  </property>
  <!-- Maximum number of hlog entries to replicate in one go. If this is
       large, and a consumer takes a while to process the events, the
       HBase rpc call will time out. -->
  <property>
    <name>replication.source.nb.capacity</name>
    <value>1000</value>
  </property>
  <!-- A custom replication source that fixes a few things and adds
       some functionality (doesn't interfere with normal replication
       usage). -->
  <property>
    <name>replication.replicationsource.implementation</name>
    <value>com.ngdata.sep.impl.SepReplicationSource</value>
  </property>
</configuration>

May i know what cloud be the remedy for this?

Thanks
Beeshma

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