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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3676) handleSaslConnection failure doesn't try to renew the correct UGI
Date Tue, 17 Jul 2012 23:34:34 GMT
Colin Patrick McCabe created HDFS-3676:
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             Summary: handleSaslConnection failure doesn't try to renew the correct UGI
                 Key: HDFS-3676
                 URL: https://issues.apache.org/jira/browse/HDFS-3676
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.1.0-alpha
            Reporter: Colin Patrick McCabe
            Assignee: Colin Patrick McCabe


Client.java has this code:

{code}
    private synchronized void handleSaslConnectionFailure(
        final int currRetries, final int maxRetries, final Exception ex,
        final Random rand, final UserGroupInformation ugi) throws IOException,
        InterruptedException {
      ugi.doAs(new PrivilegedExceptionAction<Object>() {
        public Object run() throws IOException, InterruptedException {
          final short MAX_BACKOFF = 5000;
          closeConnection();
          disposeSasl();
          if (shouldAuthenticateOverKrb()) {
            if (currRetries < maxRetries) {
              if(LOG.isDebugEnabled()) {
                LOG.debug("Exception encountered while connecting to "
                    + "the server : " + ex);
              }
              // try re-login
              if (UserGroupInformation.isLoginKeytabBased()) {
                UserGroupInformation.getLoginUser().reloginFromKeytab();
              } else {
                UserGroupInformation.getLoginUser().reloginFromTicketCache();
              }
{code}

It's not renewing the UGI that had the problem, it's renewing the loginUser.

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