Maximilian Michels created FLINK-3892:
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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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