zookeeper.ClientCnxn: Unable to read additional >>>> data >>>> > from server sessionid 0x0, likely server has closed socket, closing >>>> socket >>>> > connection and attempting reconnect >>>> > 07-Apr-2011 23:03:08 DAO.AbstractDAO connect >>>> > SEVERE: null >>>> > org.apache.hadoop.hbase.ZooKeeperConnectionException: >>>> > org.apache.hadoop.hbase.ZooKeeperConnectionException: >>>> > org.apache.zookeeper.KeeperException$ConnectionLossException: >>>> > KeeperErrorCode = ConnectionLoss for /hbase at >>>> > >>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getZooKeeperWatcher(HConnectionManager.java:988) at >>>> > >>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.setupZookeeperTrackers(HConnectionManager.java:301) at >>>> > >>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.<init>(HConnectionManager.java:292) at >>>> > >>>> org.apache.hadoop.hbase.client.HConnectionManager.getConnection(HConnectionManager.java:155)

Google Groups | Shuja Rehman | 6 years ago
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    org.apache.hadoop.hbase.ZooKeeperConnectionException: org.apache.hadoop.hbase.ZooKeeperConnectionException: org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase

    Google Groups | 6 years ago | Shuja Rehman
    zookeeper.ClientCnxn: Unable to read additional >>>> data >>>> > from server sessionid 0x0, likely server has closed socket, closing >>>> socket >>>> > connection and attempting reconnect >>>> > 07-Apr-2011 23:03:08 DAO.AbstractDAO connect >>>> > SEVERE: null >>>> > org.apache.hadoop.hbase.ZooKeeperConnectionException: >>>> > org.apache.hadoop.hbase.ZooKeeperConnectionException: >>>> > org.apache.zookeeper.KeeperException$ConnectionLossException: >>>> > KeeperErrorCode = ConnectionLoss for /hbase at >>>> > >>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getZooKeeperWatcher(HConnectionManager.java:988) at >>>> > >>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.setupZookeeperTrackers(HConnectionManager.java:301) at >>>> > >>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.<init>(HConnectionManager.java:292) at >>>> > >>>> org.apache.hadoop.hbase.client.HConnectionManager.getConnection(HConnectionManager.java:155)

    Root Cause Analysis

    1. zookeeper.ClientCnxn

      Unable to read additional >>>> data >>>> > from server sessionid 0x0, likely server has closed socket, closing >>>> socket >>>> > connection and attempting reconnect >>>> > 07-Apr-2011 23:03:08 DAO.AbstractDAO connect >>>> > SEVERE: null >>>> > org.apache.hadoop.hbase.ZooKeeperConnectionException: >>>> > org.apache.hadoop.hbase.ZooKeeperConnectionException: >>>> > org.apache.zookeeper.KeeperException$ConnectionLossException: >>>> > KeeperErrorCode = ConnectionLoss for /hbase at >>>> > >>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getZooKeeperWatcher(HConnectionManager.java:988) at >>>> > >>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.setupZookeeperTrackers(HConnectionManager.java:301) at >>>> > >>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.<init>(HConnectionManager.java:292) at >>>> > >>>> org.apache.hadoop.hbase.client.HConnectionManager.getConnection(HConnectionManager.java:155)

      at org.apache.hadoop.hbase.client.HTable.<init>()
    2. HBase - Client
      HTable.<init>
      1. org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:167)
      2. org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:145)
      2 frames
    3. DAO
      TimeWindowDAO.getTimeWindowReport
      1. DAO.AbstractDAO.connect(AbstractDAO.java:31)
      2. DAO.TimeWindowDAO.getTimeWindowReport(TimeWindowDAO.java:132)
      2 frames