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Posted to common-issues@hadoop.apache.org by "Kuhu Shukla (JIRA)" <ji...@apache.org> on 2016/02/05 20:05:40 UTC
[jira] [Moved] (HADOOP-12772)
NetworkTopologyWithNodeGroup.getNodeGroup() can loop infinitely for invalid
'loc' values
[ https://issues.apache.org/jira/browse/HADOOP-12772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kuhu Shukla moved HDFS-9762 to HADOOP-12772:
--------------------------------------------
Affects Version/s: (was: 2.7.2)
2.7.2
Target Version/s: 2.7.3 (was: 2.7.3)
Key: HADOOP-12772 (was: HDFS-9762)
Project: Hadoop Common (was: Hadoop HDFS)
> NetworkTopologyWithNodeGroup.getNodeGroup() can loop infinitely for invalid 'loc' values
> ----------------------------------------------------------------------------------------
>
> Key: HADOOP-12772
> URL: https://issues.apache.org/jira/browse/HADOOP-12772
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 2.7.2
> Reporter: Kuhu Shukla
> Assignee: Kuhu Shukla
> Priority: Minor
> Attachments: HDFS-9762.001.patch, HDFS-9762.002.patch, HDFS-9762.003.patch
>
>
> Although the DatanodInfo/DataNodeDescriptor object tends to have a non-null, non-empty value for its network location, the getNodeGroup method does not handle the case if an empty or a null value is passed and can go on recursively causing StackOverflowError. This is an improvement to check for such a state and error out if the value is null and set the location to ROOT or empty string and if the original location is empty.
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