hdfs.DFSClient: Exception in createBlockOutputStream .IOException: Bad connect ack with firstBadLink as 192.168.46.102:50010

quora.com | 4 months ago
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    How should one solve 'Bad connect ack with firstBadLink' DataNode problem in Hadoop? - Quora

    quora.com | 4 months ago
    hdfs.DFSClient: Exception in createBlockOutputStream .IOException: Bad connect ack with firstBadLink as 192.168.46.102:50010

    Root Cause Analysis

    1. hdfs.DFSClient

      Exception in createBlockOutputStream .IOException: Bad connect ack with firstBadLink as 192.168.46.102:50010

      at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.createBlockOutputStream()
    2. Apache Hadoop HDFS
      DFSOutputStream$DataStreamer.run
      1. org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.createBlockOutputStream(DFSOutputStream.java:1166)
      2. org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1088)
      3. org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:514)
      3 frames