com.jcraft.jsch.JSchException: java.net.NoRouteToHostException: No route to host

Stack Overflow | user2660558 | 2 months ago
  1. 0

    HA-Namenode failover failed by killing the whole Server

    Stack Overflow | 2 months ago | user2660558
    com.jcraft.jsch.JSchException: java.net.NoRouteToHostException: No route to host
  2. 0

    Apache Hadoop user mailing list

    gmane.org | 1 year ago
    com.jcraft.jsch.JSchException: java.net.NoRouteToHostException: No route to host
  3. 0

    auto-failover does not work

    hadoop-user | 3 years ago | YouPeng Yang
    com.jcraft.jsch.JSchException: Auth fail
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  5. 0

    auto-failover does not work

    hadoop-mapreduce-user | 3 years ago | YouPeng Yang
    com.jcraft.jsch.JSchException: Auth fail
  6. 0

    auto-failover does not work

    hadoop-hdfs-user | 3 years ago | YouPeng Yang
    com.jcraft.jsch.JSchException: Auth fail

  1. abrazeneb 1 times, last 4 months ago
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Root Cause Analysis

  1. com.jcraft.jsch.JSchException

    java.net.NoRouteToHostException: No route to host

    at com.jcraft.jsch.Util.createSocket()
  2. JSch
    Session.connect
    1. com.jcraft.jsch.Util.createSocket(Util.java:386)
    2. com.jcraft.jsch.Session.connect(Session.java:182)
    2 frames
  3. Hadoop
    ActiveStandbyElector.processResult
    1. org.apache.hadoop.ha.SshFenceByTcpPort.tryFence(SshFenceByTcpPort.java:100)
    2. org.apache.hadoop.ha.NodeFencer.fence(NodeFencer.java:97)
    3. org.apache.hadoop.ha.ZKFailoverController.doFence(ZKFailoverController.java:532)
    4. org.apache.hadoop.ha.ZKFailoverController.fenceOldActive(ZKFailoverController.java:505)
    5. org.apache.hadoop.ha.ZKFailoverController.access$1100(ZKFailoverController.java:61)
    6. org.apache.hadoop.ha.ZKFailoverController$ElectorCallbacks.fenceOldActive(ZKFailoverController.java:892)
    7. org.apache.hadoop.ha.ActiveStandbyElector.fenceOldActive(ActiveStandbyElector.java:910)
    8. org.apache.hadoop.ha.ActiveStandbyElector.becomeActive(ActiveStandbyElector.java:809)
    9. org.apache.hadoop.ha.ActiveStandbyElector.processResult(ActiveStandbyElector.java:418)
    9 frames
  4. Zookeeper
    ClientCnxn$EventThread.run
    1. org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:599)
    2. org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498)
    2 frames