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https://issues.apache.org/jira/browse/HADOOP-13174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16042211#comment-16042211
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Xiao Chen commented on HADOOP-13174:
------------------------------------
Thanks [~yzhangal] and [~vagarychen] for the reviews.
Hm, the findbugs' -1's are all 'extant warnings, and nothing introduced by this
change. So I'd like to commit this on Thursday if no objections.
{noformat}
....
| -1 | findbugs | 0m 34s | hadoop-common-project/hadoop-auth in
| | | | trunk has 1 extant Findbugs warnings.
| -1 | findbugs | 1m 33s | hadoop-common-project/hadoop-common in
| | | | trunk has 19 extant Findbugs warnings
....
| +1 | findbugs | 2m 30s | the patch passed
{noformat}
Also, findbugs behavior is expected here. See previous discussions
[1|https://issues.apache.org/jira/browse/YETUS-465] and
[2|https://issues.apache.org/jira/browse/HDFS-10245?focusedCommentId=15224316&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15224316].
bq. BTW, would you please provide a set of debug configuration setting here so
we can refer to when needed?
We don't need any special settings to enable debug, just the normal hadoop way
is ok.
- For client, change log level by {{HADOOP_ROOT_LOGGER=DEBUG,console}} or
equivalent
- For server, change log level by updating the KMS' log4j file's log level.
> Add more debug logs for delegation tokens and authentication
> ------------------------------------------------------------
>
> Key: HADOOP-13174
> URL: https://issues.apache.org/jira/browse/HADOOP-13174
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: security
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Priority: Minor
> Attachments: HADOOP-13174.01.patch, HADOOP-13174.02.patch,
> HADOOP-13174.03.patch, HADOOP-13174.04.patch, HADOOP-13174.05.patch
>
>
> Recently I debugged several authentication related problems, and found that
> the debug logs are not enough to identify a problem.
> This jira improves it by adding more debug/trace logs along the line.
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