java.net.ConnectException: Connection refused

Google Groups | Unknown author | 10 months ago
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Root Cause Analysis

  1. java.net.ConnectException

    Connection refused

    at java.net.PlainSocketImpl.socketConnect()
  2. Java RT
    Socket.connect
    1. java.net.PlainSocketImpl.socketConnect(Native Method)
    2. java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
    3. java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
    4. java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
    5. java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    6. java.net.Socket.connect(Socket.java:589)
    6 frames
  3. Apache Giraph Core
    GraphMapper.run
    1. org.apache.giraph.zk.ZooKeeperManager.onlineZooKeeperServers(ZooKeeperManager.java:701)
    2. org.apache.giraph.graph.GraphTaskManager.startZooKeeperManager(GraphTaskManager.java:357)
    3. org.apache.giraph.graph.GraphTaskManager.setup(GraphTaskManager.java:188)
    4. org.apache.giraph.graph.GraphMapper.setup(GraphMapper.java:60)
    5. org.apache.giraph.graph.GraphMapper.run(GraphMapper.java:90)
    5 frames
  4. Hadoop
    LocalJobRunner$Job$MapTaskRunnable.run
    1. org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764)
    2. org.apache.hadoop.mapred.MapTask.run(MapTask.java:364)
    3. org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:223)
    3 frames
  5. Java RT
    ThreadPoolExecutor.runWorker
    1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    2. java.util.concurrent.FutureTask.run(FutureTask.java:266)
    3. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    3 frames