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From "Hrishikesh Gadre (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 Thu, 02 May 2019 18:09:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-16276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16831833#comment-16831833
] 

Hrishikesh Gadre commented on HADOOP-16276:
-------------------------------------------

[~smeng] thanks for adding the environment variable. I personally don't think that we need
to do jsvc version detection and add -cwd param by default since users (or management software)
can always configure this environment variable based on the jsvc version in their environment.
We just need to document this as part of the release notes. This will make this patch (modulo
if block in patch-003) backwards compatible. what do you think?

> 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, HADOOP-16276.002.patch, HADOOP-16276.003.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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