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Posted to issues@flink.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2016/05/19 10:07:12 UTC
[jira] [Commented] (FLINK-3892) ConnectionUtils may die with
NullPointerException
[ https://issues.apache.org/jira/browse/FLINK-3892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15290840#comment-15290840 ]
ASF GitHub Bot commented on FLINK-3892:
---------------------------------------
GitHub user mxm opened a pull request:
https://github.com/apache/flink/pull/2008
[FLINK-3892] return null when hostname unresolvable
Fix discovered in the course of #1978.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mxm/flink FLINK-3892
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/2008.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2008
----
commit 034e718ef82f65c8bfbb3c18cb8acd2ad5dcfd08
Author: Maximilian Michels <mx...@apache.org>
Date: 2016-05-02T13:25:33Z
[FLINK-3892] return null when hostname unresolvable
----
> 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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