java.lang.NullPointerException

Apache's JIRA Issue Tracker | Rakesh R | 3 years ago
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    Following is the stacktrace taken from [Build : ZooKeeper-3.4-WinVS2008_java/465|https://builds.apache.org/job/ZooKeeper-3.4-WinVS2008_java/465/] {code} [junit] 2014-03-19 09:28:50,020 [myid:] - INFO [main-SendThread(127.0.0.1:11278):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:11278. Will not attempt to authenticate using SASL (unknown error) [junit] 2014-03-19 09:28:51,025 [myid:] - WARN [main-SendThread(127.0.0.1:11278):ClientCnxn$SendThread@1102] - Session 0x144d9ab1f9e0000 for server null, unexpected error, closing socket connection and attempting reconnect [junit] java.net.ConnectException: Connection refused: no further information [junit] at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) [junit] at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:701) [junit] at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) [junit] at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) [junit] 2014-03-19 09:28:52,661 [myid:] - INFO [main-SendThread(127.0.0.1:11278):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:11278. Will not attempt to authenticate using SASL (unknown error) [junit] 2014-03-19 09:28:53,640 [myid:] - WARN [main-SendThread(127.0.0.1:11278):ClientCnxn$SendThread@1102] - Session 0x144d9ab1f9e0000 for server null, unexpected error, closing socket connection and attempting reconnect [junit] java.net.ConnectException: Connection refused: no further information [junit] at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) [junit] at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:701) [junit] at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) [junit] at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) [junit] 2014-03-19 09:28:55,435 [myid:] - INFO [main-SendThread(127.0.0.1:11278):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:11278. Will not attempt to authenticate using SASL (unknown error) [junit] 2014-03-19 09:28:56,111 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@62] - TEST METHOD FAILED testWatchAutoResetWithPending [junit] java.util.concurrent.TimeoutException: Did not disconnect [junit] at org.apache.zookeeper.test.ClientBase$CountdownWatcher.waitForDisconnected(ClientBase.java:145) [junit] at org.apache.zookeeper.test.WatcherTest.testWatchAutoResetWithPending(WatcherTest.java:202) [junit] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) {code}

    Apache's JIRA Issue Tracker | 3 years ago | Rakesh R
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.apache.zookeeper.ClientCnxnSocketNIO.testableCloseSocket()
    2. Zookeeper
      ClientCnxn$SendThread.testableCloseSocket
      1. org.apache.zookeeper.ClientCnxnSocketNIO.testableCloseSocket(ClientCnxnSocketNIO.java:384)
      2. org.apache.zookeeper.ClientCnxn$SendThread.testableCloseSocket(ClientCnxn.java:1253)
      2 frames