org.apache.hadoop.net.ConnectTimeoutException: 60000 millis timeout while waiting for channel to be ready for connect. ch : java.nio.channels.SocketChannel[connection-pending remote=/10.55.30.235:50010]

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    Root Cause Analysis

    1. org.apache.hadoop.net.ConnectTimeoutException

      60000 millis timeout while waiting for channel to be ready for connect. ch : java.nio.channels.SocketChannel[connection-pending remote=/10.55.30.235:50010]

      at org.apache.hadoop.net.NetUtils.connect()
    2. Hadoop
      NetUtils.connect
      1. org.apache.hadoop.net.NetUtils.connect(NetUtils.java:534)
      1 frame
    3. Apache Hadoop HDFS
      DFSInputStream.read
      1. org.apache.hadoop.hdfs.DFSClient.newConnectedPeer(DFSClient.java:3444)
      2. org.apache.hadoop.hdfs.BlockReaderFactory.nextTcpPeer(BlockReaderFactory.java:777)
      3. org.apache.hadoop.hdfs.BlockReaderFactory.getRemoteBlockReaderFromTcp(BlockReaderFactory.java:694)
      4. org.apache.hadoop.hdfs.BlockReaderFactory.build(BlockReaderFactory.java:355)
      5. org.apache.hadoop.hdfs.DFSInputStream.blockSeekTo(DFSInputStream.java:618)
      6. org.apache.hadoop.hdfs.DFSInputStream.readWithStrategy(DFSInputStream.java:844)
      7. org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:896)
      8. org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:697)
      8 frames
    4. Java RT
      DataInputStream.readInt
      1. java.io.DataInputStream.readInt(Unknown Source)
      1 frame
    5. HBase - Client
      HLogFactory.createReader
      1. org.apache.hadoop.hbase.regionserver.wal.ProtobufLogReader.setTrailerIfPresent(ProtobufLogReader.java:186)
      2. org.apache.hadoop.hbase.regionserver.wal.ProtobufLogReader.initInternal(ProtobufLogReader.java:155)
      3. org.apache.hadoop.hbase.regionserver.wal.ProtobufLogReader.initReader(ProtobufLogReader.java:106)
      4. org.apache.hadoop.hbase.regionserver.wal.ReaderBase.init(ReaderBase.java:69)
      5. org.apache.hadoop.hbase.regionserver.wal.HLogFactory.createReader(HLogFactory.java:126)
      6. org.apache.hadoop.hbase.regionserver.wal.HLogFactory.createReader(HLogFactory.java:89)
      7. org.apache.hadoop.hbase.regionserver.wal.HLogFactory.createReader(HLogFactory.java:77)
      7 frames
    6. HBase
      ReplicationSource.run
      1. org.apache.hadoop.hbase.replication.regionserver.ReplicationHLogReaderManager.openReader(ReplicationHLogReaderManager.java:68)
      2. org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.openReader(ReplicationSource.java:503)
      3. org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.run(ReplicationSource.java:309)
      3 frames