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https://issues.apache.org/jira/browse/HBASE-20362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang updated HBASE-20362:
------------------------------
    Attachment: HBASE-20362.patch

> TestMasterShutdown.testMasterShutdownBeforeStartingAnyRegionServer is flaky
> ---------------------------------------------------------------------------
>
>                 Key: HBASE-20362
>                 URL: https://issues.apache.org/jira/browse/HBASE-20362
>             Project: HBase
>          Issue Type: Bug
>          Components: test
>            Reporter: Duo Zhang
>            Priority: Major
>             Fix For: 2.0.0
>
>         Attachments: HBASE-20362.patch
>
>
> {code}
>     Thread shutdownThread = new Thread("Shutdown-Thread") {
>       @Override
>       public void run() {
>         LOG.info("Before call to shutdown master");
>         try {
>           try (Connection connection =
>               ConnectionFactory.createConnection(util.getConfiguration())) {
>             try (Admin admin = connection.getAdmin()) {
>               admin.shutdown();
>             }
>           }
>           LOG.info("After call to shutdown master");
>           cluster.waitOnMaster(MASTER_INDEX);
>         } catch (Exception e) {
>         }
>       }
>     };
> {code}
> https://builds.apache.org/job/HBASE-Flaky-Tests/28970/artifact/hbase-server/target/surefire-reports/org.apache.hadoop.hbase.master.TestMasterShutdown-output.txt
> In the output for a failed running, we only have 'Before call to shutdown 
> master' but no 'After call to shutdown master', so I think there must be 
> something wrong when calling admin.shutdown, but in the catch block below we 
> just ignore the exception.



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