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Posted to issues@hbase.apache.org by "Guanghao Zhang (Jira)" <ji...@apache.org> on 2020/08/26 05:50:00 UTC
[jira] [Updated] (HBASE-24752) NPE/500 accessing webui on master
startup
[ https://issues.apache.org/jira/browse/HBASE-24752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Guanghao Zhang updated HBASE-24752:
-----------------------------------
Fix Version/s: (was: 2.2.7)
2.2.6
> NPE/500 accessing webui on master startup
> -----------------------------------------
>
> Key: HBASE-24752
> URL: https://issues.apache.org/jira/browse/HBASE-24752
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 2.3.0
> Reporter: Nick Dimiduk
> Assignee: wenfeiyi666
> Priority: Minor
> Fix For: 3.0.0-alpha-1, 2.3.1, 2.4.0, 2.2.6
>
>
> I got a 500 error while accessing the master web ui (non-backup master) during startup.
> {noformat}
> 2020-07-21 18:56:39,762 WARN org.eclipse.jetty.servlet.ServletHandler: /master-status
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.tmpl.master.MasterStatusTmplImpl.renderNoFlush(MasterStatusTmplImpl.java:339)
> at org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.renderNoFlush(MasterStatusTmpl.java:397)
> at org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.render(MasterStatusTmpl.java:388)
> at org.apache.hadoop.hbase.master.MasterStatusServlet.doGet(MasterStatusServlet.java:79)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
> ...
> {noformat}
> {{MasterStatusTmplImpl.java:339}} appears to align with {{MasterStatusTmpl.jamon:227}}:
> {noformat}
> <%if master.getMasterCoprocessorHost().findCoprocessor("RSGroupAdminEndpoint") != null &&
> serverManager.getOnlineServersList().size() > 0 %>
> {noformat}
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