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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5403) WebHdfs client cannot communicate with older WebHdfs servers post HDFS-5306
Date Thu, 24 Oct 2013 13:19:10 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13804159#comment-13804159
] 

Hudson commented on HDFS-5403:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #1562 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1562/])
HDFS-5403. WebHdfs client cannot communicate with older WebHdfs servers post HDFS-5306. Contributed
by Aaron T. Myers. (atm: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1535056)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/JsonUtil.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestJsonUtil.java


> WebHdfs client cannot communicate with older WebHdfs servers post HDFS-5306
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-5403
>                 URL: https://issues.apache.org/jira/browse/HDFS-5403
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: webhdfs
>    Affects Versions: 2.2.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>             Fix For: 2.2.1
>
>         Attachments: HDFS-5403.patch, HDFS-5403.patch
>
>
> HDFS-5306 introduced the field infoSecurePort to the DatanodeIDProto PB definition and
made it optional for compatibility purposes. However, we don't correctly the handle the case
when this field is not present when deserializing the response from a WebHdfs request. This
results in an NPE at the client when this occurs.



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