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From "Maximilian Michels (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-3892) ConnectionUtils may die with NullPointerException
Date Tue, 10 May 2016 13:34:12 GMT
Maximilian Michels created FLINK-3892:

             Summary: ConnectionUtils may die with NullPointerException
                 Key: FLINK-3892
                 URL: https://issues.apache.org/jira/browse/FLINK-3892
             Project: Flink
          Issue Type: Bug
          Components: YARN Client
    Affects Versions: 1.1.0, 1.0.3
            Reporter: Maximilian Michels
            Assignee: Maximilian Michels
            Priority: Minor
             Fix For: 1.1.0

If an invalid hostname is specificed or the hostname can't be resolved from the current interface,
{{ConnectionUtils.findAddressUsingStrategy}} may throw a {{NullPointerException}}. When trying
to access the {{InetAddress}} of an {{InetSocketAddress}}, null is returned when the host
could not been resolved.

The solution is to abort the attempt to find the local address if the host couldn't be resolved.

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