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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-16276) Fix jsvc startup command in hadoop-functions.sh due to jsvc >= 1.0.11 changed default current working directory
Date Fri, 26 Apr 2019 04:00:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-16276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16826623#comment-16826623
] 

Todd Lipcon commented on HADOOP-16276:
--------------------------------------

Would it be easier to just require that the keytab and other paths be specified as absolute
paths instead of relative? i.e. this could be considered a bug in the management software
for not specifying an absolute path.

Aside from that point, it seems like it would be easier to assign some local variable like
"$JSVC_EXTRA_OPTS" which would be empty in the old-version case, and set to '-cwd $PWD' in
the new-version case. Then you don't need to duplicate the rest of the command line arguments.

> Fix jsvc startup command in hadoop-functions.sh due to jsvc >= 1.0.11 changed default
current working directory
> ---------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-16276
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16276
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 3.2.0, 3.1.2
>            Reporter: Siyao Meng
>            Assignee: Siyao Meng
>            Priority: Major
>         Attachments: HADOOP-16276.001.patch
>
>
> In CDH6, when we bump jsvc from 1.0.10 to 1.1.0 we hit *KerberosAuthException: failure
to login / LoginException: Unable to obtain password from user* due to DAEMON-264 and our

> *dfs.nfs.keytab.file* config uses a relative path. I will probably file another jira
to issue a warning like *hdfs.keytab not found* before KerberosAuthException in this case.
> The solution is to add *-cwd $(pwd)* in function hadoop_start_secure_daemon in hadoop-functions.sh
but I will have to consider the compatibility with older jsvc versions <= 1.0.10. Will
post the patch after I tested it.
> Thanks [~tlipcon] for finding the root cause.



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