[jira] [Updated] (HBASE-27333) Abort RS when the hostname is different from master seen

["Andrew Kyle Purtell (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-27333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell updated HBASE-27333:
----------------------------------------
    Fix Version/s: 2.5.4
                       (was: 2.5.3)

> Abort RS when the hostname is different from master seen
> --------------------------------------------------------
>
>                 Key: HBASE-27333
>                 URL: https://issues.apache.org/jira/browse/HBASE-27333
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 3.0.0-alpha-3, 2.4.13
>            Reporter: Xiaolin Ha
>            Assignee: Xiaolin Ha
>            Priority: Major
>             Fix For: 2.6.0, 3.0.0-alpha-4, 2.5.4
>
>
> For HRegionServer#handleReportForDutyResponse, when the hostname is different from the regionserver and master side, both the two conditions should abort RS.
> {code:java}
> if (
>   !StringUtils.isBlank(useThisHostnameInstead)
>     && !hostnameFromMasterPOV.equals(useThisHostnameInstead)
> ) {
>   String msg = "Master passed us a different hostname to use; was="
>     + this.useThisHostnameInstead + ", but now=" + hostnameFromMasterPOV;
>   LOG.error(msg);
>   throw new IOException(msg);
> }
> if (
>   StringUtils.isBlank(useThisHostnameInstead)
>     && !hostnameFromMasterPOV.equals(rpcServices.getSocketAddress().getHostName())
> ) {
>   String msg = "Master passed us a different hostname to use; was="
>     + rpcServices.getSocketAddress().getHostName() + ", but now=" + hostnameFromMasterPOV;
>   LOG.error(msg);
> } {code}



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