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https://issues.apache.org/jira/browse/HDFS-9519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15054040#comment-15054040
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Hudson commented on HDFS-9519:
------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #8960 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/8960/])
HDFS-9519. Some coding improvement in SecondaryNameNode#main. (Xiao Chen
(yzhang: rev 2a4c7d4facabb8b99d6dcbf4ccfe2afedf4fd445)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java
> Some coding improvement in SecondaryNameNode#main
> -------------------------------------------------
>
> Key: HDFS-9519
> URL: https://issues.apache.org/jira/browse/HDFS-9519
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Yongjun Zhang
> Assignee: Xiao Chen
> Attachments: HDFS-9519.01.patch, HDFS-9519.02.patch
>
>
> Two nits:
> # The checking whether secondary is null is not necessary in the following
> code in SecondaryNameNode.java.
> # The comment in this code seems to imply that "when secondary is not null,
> SNN was stared as a daemon.", and this is not true. Suggest to improve the
> comment to make it clear,
> Assign to Xiao since he worked on HDFS-3059. Thanks Xiao.
> {code}
> if (secondary != null) {
> // The web server is only needed when starting SNN as a daemon,
> // and not needed if called from shell command. Starting the web
> server
> // from shell may fail when getting credentials, if the environment
> // is not set up for it, which is most of the case.
> secondary.startInfoServer();
> secondary.startCheckpointThread();
> secondary.join();
> }
> {code}
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