java.net.ConnectException: Call From master/10.0.0.1 to master:8021 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused

Stack Overflow | Mahmud | 3 months ago
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    Root Cause Analysis

    1. java.net.ConnectException

      Call From master/10.0.0.1 to master:8021 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused

      at sun.reflect.NativeConstructorAccessorImpl.newInstance0()
    2. Java RT
      Constructor.newInstance
      1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      2. sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
      3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
      4. java.lang.reflect.Constructor.newInstance(Constructor.java:423)
      4 frames
    3. Hadoop
      ProtobufRpcEngine$Invoker.invoke
      1. org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:791)
      2. org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:731)
      3. org.apache.hadoop.ipc.Client.call(Client.java:1472)
      4. org.apache.hadoop.ipc.Client.call(Client.java:1399)
      5. org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
      5 frames
    4. com.sun.proxy
      $Proxy14.getFileInfo
      1. com.sun.proxy.$Proxy14.getFileInfo(Unknown Source)
      1 frame
    5. Apache Hadoop HDFS
      ClientNamenodeProtocolTranslatorPB.getFileInfo
      1. org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:752)
      1 frame
    6. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:498)
      4 frames
    7. Hadoop
      RetryInvocationHandler.invoke
      1. org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
      2. org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
      2 frames
    8. com.sun.proxy
      $Proxy15.getFileInfo
      1. com.sun.proxy.$Proxy15.getFileInfo(Unknown Source)
      1 frame
    9. Apache Hadoop HDFS
      DistributedFileSystem$18.doCall
      1. org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1988)
      2. org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1118)
      3. org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1114)
      3 frames
    10. Hadoop
      FileSystemLinkResolver.resolve
      1. org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
      1 frame
    11. Apache Hadoop HDFS
      DistributedFileSystem.getFileStatus
      1. org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1114)
      1 frame
    12. Spark
      SparkContext.<init>
      1. org.apache.spark.scheduler.EventLoggingListener.start(EventLoggingListener.scala:100)
      2. org.apache.spark.SparkContext.<init>(SparkContext.scala:549)
      2 frames
    13. Spark REPL
      SparkILoop.createSparkContext
      1. org.apache.spark.repl.SparkILoop.createSparkContext(SparkILoop.scala:1017)
      1 frame
    14. Unknown
      $iwC.<init>
      1. $iwC$$iwC.<init>(<console>:15)
      2. $iwC.<init>(<console>:24)
      2 frames