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https://issues.apache.org/jira/browse/HADOOP-19107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17835461#comment-17835461
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ASF GitHub Bot commented on HADOOP-19107:
-----------------------------------------
ayushtkn commented on PR #6629:
URL: https://github.com/apache/hadoop/pull/6629#issuecomment-2045476854
Spent some time over the weekend to investigate this, findings so far
* This doesn’t fail locally, only on Jenkins.
* Created a Test PR to investigate on Jenkins, Disabled Forking to find the
failing test
* The failing test was: ``TestTimelineReaderWebServicesHBaseStorage``
* Reason: It uses some ``jmockit`` dependency which was creating troubles
like: ``NoSuchFieldError: $MB``
* Quick Search over the internet said upgrading this dependency will fix
this.
* Tried upgrading but upgrading this ``jmockit`` requires passing the
``javaagent`` kind of stuff now, else it doesn’t work. It is there on their
website.(https://jmockit.github.io/)
* This approach ``Failed``
* Exp:-2
* Investigating further. I found it was introduced as part of YARN-8856,
which added this because HBase was using a lower Hadoop version then, but this
problem should be sorted by this upgrade.
* Reverted the YARN ticket. The test passes. But the VM still crashed. WT*
* Searching over the internet again: Found this:
https://stackoverflow.com/a/70985786/13998537 , which said about Fork Value.
* This works.
* I have a green run, but with slightly different fix, (not ditching the
DummyMetrics, Which I think we can do now) here:
https://github.com/apache/hadoop/pull/6707#issuecomment-2044897729 , So, if the
current PR doesn’t get me a green build, I can go back to that.
TLDR: If we get a green build, We are sorted, Else I have another fix as
well. Which has already given me a green build on my Test PR, I will
investigate more over the weekend & move to it if this one fails.
> Drop support for HBase v1
> -------------------------
>
> Key: HADOOP-19107
> URL: https://issues.apache.org/jira/browse/HADOOP-19107
> Project: Hadoop Common
> Issue Type: Task
> Reporter: Ayush Saxena
> Priority: Major
> Labels: pull-request-available
>
> Drop support for Hbase V1 and make building Hbase v2 default.
> Dev List:
> [https://lists.apache.org/thread/vb2gh5ljwncbrmqnk0oflb8ftdz64hhs]
> https://lists.apache.org/thread/o88hnm7q8n3b4bng81q14vsj3fbhfx5w
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