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Hudson commented on HBASE-24752: -------------------------------- Results for branch branch-2 [build #2762 on builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2762/]: (x) *{color:red}-1 overall{color}* ---- details (if available): (/) {color:green}+1 general checks{color} -- For more information [see general report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2762/General_20Nightly_20Build_20Report/] (/) {color:green}+1 jdk8 hadoop2 checks{color} -- For more information [see jdk8 (hadoop2) report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2756/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/] (/) {color:green}+1 jdk8 hadoop3 checks{color} -- For more information [see jdk8 (hadoop3) report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2742/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 jdk11 hadoop3 checks{color} -- For more information [see jdk11 report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2757/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 source release artifact{color} -- See build output for details. (/) {color:green}+1 client integration test{color} > 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, 2.2.7 > > > 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} -- This message was sent by Atlassian Jira (v8.3.4#803005)