java.net.ConnectException: Connection refused

GitHub | xcf1992 | 4 months ago
  1. 0

    GitHub comment 822#222691453

    GitHub | 6 months ago | dsyu
    java.net.ConnectException: Connection refused
  2. 0

    Question about backtype.storm and com.twitter.heron.api

    GitHub | 4 months ago | xcf1992
    java.net.ConnectException: Connection refused
  3. 0

    GitHub comment 822#222771386

    GitHub | 6 months ago | Udit93
    java.net.ConnectException: Connection refused
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    [Local Sheduler] "Failed to start Stream manager"

    GitHub | 6 months ago | longdafeng
    java.net.ConnectException: Connection refused
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    Stack Overflow | 2 years ago
    java.net.ConnectException: Connection refused

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Root Cause Analysis

  1. java.net.ConnectException

    Connection refused

    at sun.nio.ch.SocketChannelImpl.checkConnect()
  2. Java RT
    SocketChannelImpl.finishConnect
    1. sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
    2. sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
    2 frames
  3. com.twitter.heron
    Gateway.run
    1. com.twitter.heron.common.network.HeronClient.handleConnect(HeronClient.java:244)
    2. com.twitter.heron.common.basics.NIOLooper.handleSelectedKeys(NIOLooper.java:115)
    3. com.twitter.heron.common.basics.NIOLooper.access$000(NIOLooper.java:32)
    4. com.twitter.heron.common.basics.NIOLooper$1.run(NIOLooper.java:45)
    5. com.twitter.heron.common.basics.WakeableLooper.executeTasksOnWakeup(WakeableLooper.java:142)
    6. com.twitter.heron.common.basics.WakeableLooper.runOnce(WakeableLooper.java:74)
    7. com.twitter.heron.common.basics.WakeableLooper.loop(WakeableLooper.java:64)
    8. com.twitter.heron.instance.Gateway.run(Gateway.java:155)
    8 frames
  4. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    3. java.lang.Thread.run(Thread.java:745)
    3 frames