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
  1. 0

    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)
  2. 0

    Unable to submit remote MR jobs on CDH4.7.0 quickstart VM

    Stack Overflow | 2 years ago | Davidann
    zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.ConnectException: Connection refused
  3. 0

    Cannot connect to local hbase database

    Google Groups | 4 years ago | Paul van Hoven
    zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
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  5. 0

    Re: Hive/Hbase Integration Error

    hive-user | 6 years ago | Jean-Daniel Cryans
    zookeeper.ClientCnxn: Priming connection to java.nio.channels.SocketChannel[connected local=/10.10.20.42:53187 remote=sv4borg13/10.10.21.13:2181] Regarding your second log paste, it could be harmless if the process on that other machine just took more time to boot, also it happened 20 minutes before your test. Do verify that hbase works before trying to create a table. J-D On Sun, Jan 9, 2011 at 10:37 PM, Adarsh Sharma <adarsh.sharma@orkash.com> wrote: > Jean-Daniel Cryans wrote: > > You also need to create the table in order to see the relevant debug > information, it won't create it until it needs it. > > Sir > Check the output : > > hive> CREATE TABLE hive_hbasetable_k(key int, value string) >     > STORED BY 'org.apache.hadoop.hive.hbase.HBaseStorageHandler' >     > WITH SERDEPROPERTIES ("hbase.columns.mapping" = ":key,cf1:val") >     > TBLPROPERTIES ("hbase.table.name" = "hivehbasek"); > FAILED: Error in metadata: > MetaException(message:org.apache.hadoop.hbase.MasterNotRunningException at > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getMaster(HConnectionManager.java:374) at > org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:72) at > org.apache.hadoop.hive.hbase.HBaseStorageHandler.getHBaseAdmin(HBaseStorageHandler.java:64) at > org.apache.hadoop.hive.hbase.HBaseStorageHandler.preCreateTable(HBaseStorageHandler.java:159) at > org.apache.hadoop.hive.metastore.HiveMetaStoreClient.createTable(HiveMetaStoreClient.java:275) at > org.apache.hadoop.hive.ql.metadata.Hive.createTable(Hive.java:394) at > org.apache.hadoop.hive.ql.exec.DDLTask.createTable(DDLTask.java:2126)
  6. 0

    HBase User - (HConnectionManager.java:389)

    nabble.com | 7 months ago
    zookeeper.ClientCnxn: Session establishment complete > on server slave02/192.168.111.212:2181, sessionid = 0x1446491571a0008, > negotiated timeout = 40000 > Exception in thread "main" java.io.IOException: > java.lang.reflect.InvocationTargetException at > > org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:389) at > > org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:282)

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    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