[hbase] branch branch-2.1 updated: HBASE-23262 Cannot load Master UI (#799)

[binlijin]

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binlijin pushed a commit to branch branch-2.1
in repository https://gitbox.apache.org/repos/asf/hbase.git


The following commit(s) were added to refs/heads/branch-2.1 by this push:
     new d674016  HBASE-23262 Cannot load Master UI (#799)
d674016 is described below

commit d674016d481cdddbbd9d926fd8d0449d6dbad595
Author: Karthik Palanisamy <kpalanis...@hortonworks.com>
AuthorDate: Thu Nov 7 17:49:35 2019 -0800

    HBASE-23262 Cannot load Master UI (#799)
    
    Signed-off-by: Duo Zhang <zhang...@apache.org>
---
 .../jamon/org/apache/hadoop/hbase/tmpl/master/MasterStatusTmpl.jamon   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git 
a/hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/MasterStatusTmpl.jamon
 
b/hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/MasterStatusTmpl.jamon
index be30681..4a9c39c 100644
--- 
a/hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/MasterStatusTmpl.jamon
+++ 
b/hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/MasterStatusTmpl.jamon
@@ -221,7 +221,8 @@ AssignmentManager assignmentManager = 
master.getAssignmentManager();
           <& AssignmentManagerStatusTmpl; 
assignmentManager=master.getAssignmentManager()&>
         </%if>
         <%if !master.isInMaintenanceMode() %>
-          <%if 
master.getMasterCoprocessorHost().findCoprocessor("RSGroupAdminEndpoint") != 
null %>
+          <%if 
master.getMasterCoprocessorHost().findCoprocessor("RSGroupAdminEndpoint") != 
null &&
+            serverManager.getOnlineServersList().size() > 0 %>
             <section>
               <h2><a name="rsgroup">RSGroup</a></h2>
               <& RSGroupListTmpl; master= master; serverManager= 
serverManager&>