[jira] [Commented] (HBASE-23581) Creating table gets stuck when specifying an invalid split policy as METADATA

["Lijin Bin (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-23581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17002795#comment-17002795 ] 

Lijin Bin commented on HBASE-23581:
-----------------------------------

push to master. 
[~brfrn169] Thanks for the contribution.

> Creating table gets stuck when specifying an invalid split policy as METADATA
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-23581
>                 URL: https://issues.apache.org/jira/browse/HBASE-23581
>             Project: HBase
>          Issue Type: Bug
>         Environment: HDP-3.1.0
>            Reporter: Toshihiro Suzuki
>            Assignee: Toshihiro Suzuki
>            Priority: Major
>
> We can reproduce this issue as follows:
> {code}
> create 'test', "f", {METADATA => {'hbase.regionserver.region.split.policy' => 'UNDEFINED'}}
> {code}
> After running this, creating table will get stuck. And it looks like this is because opening region fails with ClassNotFoundException:
> {code}
> 2019-12-16 06:45:03,671 ERROR [RS_OPEN_REGION-regionserver/c126-node2:16020-17] handler.OpenRegionHandler: Failed open of region=test,,1576477039045.7435965ddb2229c62d926b3ee963dcf3.
> java.io.IOException: Unable to load configured region split policy 'UNDEFINED' for table 'test'
>         at org.apache.hadoop.hbase.regionserver.RegionSplitPolicy.getSplitPolicyClass(RegionSplitPolicy.java:132)
>         at org.apache.hadoop.hbase.regionserver.HRegion.checkClassLoading(HRegion.java:7162)
>         at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7083)
>         at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7043)
>         at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7015)
>         at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6973)
>         at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6924)
>         at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.openRegion(OpenRegionHandler.java:283)
>         at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:108)
>         at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:104)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.ClassNotFoundException: UNDEFINED
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
>         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>         at java.lang.Class.forName0(Native Method)
>         at java.lang.Class.forName(Class.java:264)
>         at org.apache.hadoop.hbase.regionserver.RegionSplitPolicy.getSplitPolicyClass(RegionSplitPolicy.java:127)
>         ... 12 more
> {code}
> We should have sanity checks for the properties specified in METADATA.



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