org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase-new4/unassigned

Apache's JIRA Issue Tracker | Zhou wenjian | 5 years ago
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    2012-05-13 19:37:37,528 DEBUG org.apache.hadoop.hbase.master.AssignmentManager$ExistsUnassignedAsyncCallback: rs=CreateNewTableWith100000Regions,\x05\xB3\x06 g\xE8r\xBB]\x09\xCF,1336724029944.079cb2f8a375e66fa089291b82f2a03f. state=OFFLINE, ts=1336909053108 2012-05-13 19:37:37,528 DEBUG org.apache.hadoop.hbase.master.AssignmentManager$CreateUnassignedAsyncCallback: rs=CreateNewTableWith100000Regions,\x08s\x84\x8 8$7\xB1\xC4\xFCg,1336724030660.76c07780231942231013c7feb5e5eb14. state=OFFLINE, ts=1336909055089, server=dw76.kgb.sqa.cm4,60020,1336908983944 2012-05-13 19:37:37,528 DEBUG org.apache.hadoop.hbase.master.AssignmentManager$CreateUnassignedAsyncCallback: rs=CreateNewTableWith100000Regions,\x08s\x89\xC B\x9B\xF0\xE4\xCA\x97\xB0,1336724030660.fa38b9d8367387a64a327087cb43b3e0. state=OFFLINE, ts=1336909055089, server=dw76.kgb.sqa.cm4,60020,1336908983944 2012-05-13 19:37:37,528 INFO org.apache.hadoop.hbase.master.AssignmentManager: dw76.kgb.sqa.cm4,60020,1336908983944 unassigned znodes=58464 of total=120002 2012-05-13 19:37:37,758 WARN org.apache.zookeeper.ClientCnxn: Session 0x13745fc2c8d0001 for server dw51.kgb.sqa.cm4/10.232.98.51:2180, unexpected error, clos ing socket connection and attempting reconnect java.io.IOException: Packet len4320092 is out of range! at org.apache.zookeeper.ClientCnxn$SendThread.readLength(ClientCnxn.java:710) at org.apache.zookeeper.ClientCnxn$SendThread.doIO(ClientCnxn.java:869) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1130) 2012-05-13 19:37:37,860 WARN org.apache.hadoop.hbase.zookeeper.ZKUtil: master:60000-0x13745fc2c8d0001 Unable to list children of znode /hbase-new4/unassigned org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase-new4/unassigned at org.apache.zookeeper.KeeperException.create(KeeperException.java:90) at org.apache.zookeeper.KeeperException.create(KeeperException.java:42) at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1243) at org.apache.hadoop.hbase.zookeeper.ZKUtil.listChildrenAndWatchForNewChildren(ZKUtil.java:302) at org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndGetNewChildren(ZKUtil.java:413) at org.apache.hadoop.hbase.master.AssignmentManager.nodeChildrenChanged(AssignmentManager.java:759) at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:314) at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530) at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:506) 2012-05-13 19:37:37,861 ERROR org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher: master:60000-0x13745fc2c8d0001 Received unexpected KeeperException, re-thro wing exception org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase-new4/unassigned at org.apache.zookeeper.KeeperException.create(KeeperException.java:90) at org.apache.zookeeper.KeeperException.create(KeeperException.java:42) at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1243) at org.apache.hadoop.hbase.zookeeper.ZKUtil.listChildrenAndWatchForNewChildren(ZKUtil.java:302) at org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndGetNewChildren(ZKUtil.java:413) at org.apache.hadoop.hbase.master.AssignmentManager.nodeChildrenChanged(AssignmentManager.java:759) at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:314) at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530) at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:506) 2012-05-13 19:37:37,861 FATAL org.apache.hadoop.hbase.master.HMaster: Unexpected ZK exception reading unassigned children org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase-new4/unassigned at org.apache.zookeeper.KeeperException.create(KeeperException.java:90) at org.apache.zookeeper.KeeperException.create(KeeperException.java:42) at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1243) at org.apache.hadoop.hbase.zookeeper.ZKUtil.listChildrenAndWatchForNewChildren(ZKUtil.java:302) at org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndGetNewChildren(ZKUtil.java:413) at org.apache.hadoop.hbase.master.AssignmentManager.nodeChildrenChanged(AssignmentManager.java:759) at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:314) at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530) at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:506) 2012-05-13 19:37:37,861 INFO org.apache.hadoop.hbase.master.HMaster: Aborting

    Apache's JIRA Issue Tracker | 5 years ago | Zhou wenjian
    org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase-new4/unassigned
  2. 0

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    Google Groups | 6 years ago | Gaojinchao
    org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase/unassigned
  3. 0

    fabric-jclouds feature broken in latest build

    GitHub | 3 years ago | robparrott
    org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /fabric/registry/clusters/git
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    java.lang.RuntimeException: org.apache.solr.common.SolrException: ZooKeeper Exception
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    [STORM-119] Nimbus and Supervisor process crash with error. - ASF JIRA

    apache.org | 2 years ago
    org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /storms

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Root Cause Analysis

  1. org.apache.zookeeper.KeeperException$ConnectionLossException

    KeeperErrorCode = ConnectionLoss for /hbase-new4/unassigned

    at org.apache.zookeeper.KeeperException.create()
  2. Zookeeper
    ZooKeeper.getChildren
    1. org.apache.zookeeper.KeeperException.create(KeeperException.java:90)
    2. org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
    3. org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1243)
    3 frames
  3. HBase - Client
    ZooKeeperWatcher.process
    1. org.apache.hadoop.hbase.zookeeper.ZKUtil.listChildrenAndWatchForNewChildren(ZKUtil.java:302)
    2. org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndGetNewChildren(ZKUtil.java:413)
    3. org.apache.hadoop.hbase.master.AssignmentManager.nodeChildrenChanged(AssignmentManager.java:759)
    4. org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:314)
    4 frames
  4. Zookeeper
    ClientCnxn$EventThread.run
    1. org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530)
    2. org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:506)
    2 frames