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From "Yiqun Lin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10820) DataStreamer#Responder close fails lead the error recovery
Date Wed, 31 Aug 2016 02:05:20 GMT
Yiqun Lin created HDFS-10820:

             Summary: DataStreamer#Responder close fails lead the error recovery
                 Key: HDFS-10820
                 URL: https://issues.apache.org/jira/browse/HDFS-10820
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Yiqun Lin
            Assignee: Yiqun Lin

When worked for HDFS-6532, I found that the error recovery will happens when responder close
fails. The related codes:

  public void run() {
    long lastPacket = Time.monotonicNow();
    TraceScope scope = null;
    while (!streamerClosed && dfsClient.clientRunning) {
      // if the Responder encountered an error, shutdown Responder
      if (errorState.hasError() && response != null) {
        try {
          response = null;
        } catch (InterruptedException e) {
          // If interruptedException happens, the response will not be set to null
          // and that will lead the error recovry.
          LOG.warn("Caught exception", e);
      // Here need add a finally block to set response as null
Can see the related comment:https://issues.apache.org/jira/browse/HDFS-6532?focusedCommentId=15448770&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15448770

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