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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5306) Job History file can have empty string as http port after JobTracker Restart in case of lost TT, which can result in NumberFormatException when JT is restarted 2nd time
Date Mon, 23 Feb 2009 08:45:02 GMT
Job History file can have empty string as http port after JobTracker Restart in case of lost
TT, which can result in NumberFormatException when JT is restarted 2nd time
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                 Key: HADOOP-5306
                 URL: https://issues.apache.org/jira/browse/HADOOP-5306
             Project: Hadoop Core
          Issue Type: Bug
          Components: mapred
            Reporter: Ravi Gummadi
            Priority: Minor
             Fix For: 0.21.0


HTTP_PORT=""  is seen in job history file after JT recovery in case of lost TT. The .recover
file of TestJobTrackerRestartWithLostTracker has empty string as HTTP_PORT. If another time
JT is restarted and then JT tries to read the history line and tries to createTaskAttempt,
it would get NumberFormatException because of Integer.parseInt(httpPort). We somehow need
to log a legal value as HTTP_PORT in the history file OR the exception needs to be caught
and proper action is to be taken.

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