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https://issues.apache.org/jira/browse/HBASE-20651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16537605#comment-16537605
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huaxiang sun commented on HBASE-20651:
--------------------------------------

Thanks [~esteban]. For the last test errors such as 
{code}
ERROR] Please refer to /testptch/hbase/hbase-server/target/surefire-reports for 
the individual test results.
[ERROR] Please refer to dump files (if any exist) [date]-jvmRun[N].dump, 
[date].dumpstream and [date]-jvmRun[N].dumpstream.
[ERROR] ExecutionException The forked VM terminated without properly saying 
goodbye. VM crash or System.exit called?
[ERROR] Command was /bin/sh -c cd /testptch/hbase/hbase-server && 
/usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java -enableassertions -Dhbase.test 
-Xmx2800m -XX:MaxPermSize=512m -Djava.security.egd=file:/dev/./urandom 
-Djava.net.preferIPv4Stack=true -Djava.awt.headless=true -jar 
/testptch/hbase/hbase-server/target/surefire/surefirebooter966324675564671701.jar
 /testptch/hbase/hbase-server/target/surefire 2018-07-09T19-19-33_175-jvmRun5 
surefire5719288719332760997tmp surefire_7343817000306349282740tmp
[ERROR] Error occurred in starting fork, check output in log
[ERROR] Process Exit Code: 134
[ERROR] Crashed tests:
[ERROR] org.apache.hadoop.hbase.TestJMXConnectorServer
[ERROR] ExecutionException The forked VM terminated without properly saying 
goodbye. VM crash or System.exit called?
[ERROR] Command was /bin/sh -c cd /testptch/hbase/hbase-server && 
/usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java -enableassertions -Dhbase.test 
-Xmx2800m -XX:MaxPermSize=512m -Djava.security.egd=file:/dev/./urandom 
-Djava.net.preferIPv4Stack=true -Djava.awt.headless=true -jar 
/testptch/hbase/hbase-server/target/surefire/surefirebooter9075223858478485553.jar
 /testptch/hbase/hbase-server/target/surefire 2018-07-09T19-19-33_175-jvmRun1 
surefire1249900542070577033tmp surefire_7559082552088455434888tmp
[ERROR] Error occurred in starting fork, check output in log
[ERROR] Process Exit Code: 134
[ERROR] Crashed tests:
{code}

I run couple of them
mvn clean test -Dtest=TestTableSnapshotInputFormat,TestJMXConnectorServer

It passed for me so it seems that there errors are caused by infra. 

> Master, prevents hbck or shell command to reassign the split parent region
> --------------------------------------------------------------------------
>
>                 Key: HBASE-20651
>                 URL: https://issues.apache.org/jira/browse/HBASE-20651
>             Project: HBase
>          Issue Type: Improvement
>          Components: master
>    Affects Versions: 1.2.6
>            Reporter: huaxiang sun
>            Assignee: huaxiang sun
>            Priority: Minor
>         Attachments: HBASE-20651-branch-1-v001.patch, 
> HBASE-20651-branch-1-v002.patch, HBASE-20651-branch-1-v003.patch
>
>
> We are seeing that hbck brings back split parent region and this causes 
> region inconsistency. More details will be filled as reproduce is still 
> ongoing. Might need to do something at hbck or master to prevent this from 
> happening.



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