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https://issues.apache.org/jira/browse/HBASE-17919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16086143#comment-16086143
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Mike Drob edited comment on HBASE-17919 at 7/13/17 6:18 PM:
------------------------------------------------------------
Possibly relevant for a release note, or a casual warning to future test
debuggers.
DFSMiniClluster changed some behavior going into hadoop3 where it will clear
all of it's own shutdown hooks. If a Mini DFS cluster is shut down in the same
JVM before any RegionServers/HMasters have started then the RS will be unable
to suppress the shutdown hooks and will fail during startup (because those
hooks no longer exist). This was discovered while investigating HBASE-17922
was (Author: mdrob):
DFSMiniClluster changed some behavior going into hadoop3 where it will clear
all of it's own shutdown hooks. If a Mini DFS cluster is shut down in the same
JVM before any RegionServers/HMasters have started then the RS will be unable
to suppress the shutdown hooks and will fail during startup (because those
hooks no longer exist). This was discovered while investigating HBASE-17922
> HBase 2.x over hadoop 3.x umbrella
> -----------------------------------
>
> Key: HBASE-17919
> URL: https://issues.apache.org/jira/browse/HBASE-17919
> Project: HBase
> Issue Type: Umbrella
> Components: hadoop3
> Affects Versions: 2.0.0
> Reporter: Jonathan Hsieh
>
> We should try to get hbase 2.x branch working against the recently release
> hadoop 3.0.0 alphas. These days 3.0.0-alpha2 is the latest.
> HBASE-16733 and HBASE-17593 got the compile level checks in but we should
> progress to getting unit tests to pass and a build against hadoop3 up.
> This umbrella issue will capture issues around this project.
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