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https://issues.apache.org/jira/browse/HADOOP-12772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15135170#comment-15135170
]
Hudson commented on HADOOP-12772:
---------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #9250 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/9250/])
HADOOP-12772. NetworkTopologyWithNodeGroup.getNodeGroup() can loop (kihwal: rev
49e176c29f95c179c0f6b07d4d582e6a771a96bd)
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NodeBase.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopologyWithNodeGroup.java
*
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestNetworkTopologyWithNodeGroup.java
* hadoop-common-project/hadoop-common/CHANGES.txt
> 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
> Fix For: 2.7.3
>
> 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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