[ https://issues.apache.org/jira/browse/HBASE-13777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Purtell updated HBASE-13777: ----------------------------------- Fix Version/s: (was: 0.98.14) 0.98.13 > Table fragmentation display triggers NPE on master status page > -------------------------------------------------------------- > > Key: HBASE-13777 > URL: https://issues.apache.org/jira/browse/HBASE-13777 > Project: HBase > Issue Type: Bug > Components: UI > Affects Versions: 1.1.0 > Reporter: Lars George > Assignee: Lars George > Labels: beginner > Fix For: 2.0.0, 0.98.13, 1.0.2, 1.1.1 > > Attachments: > 0001-HBASE-13777-Table-fragmentation-display-triggers-NPE.patch > > > Steps to reproduce: > - Enable UI support for Fragmentation > {noformat} > <property> > <name>hbase.master.ui.fragmentation.enabled</name> > <value>true</value> > </property> > {noformat} > Make sure to restart HBase. > - Create NSes and table > {noformat} > hbase(main):004:0> create_namespace 'testqauat' > 0 row(s) in 0.0370 seconds > hbase(main):005:0> create_namespace 'financedept' > 0 row(s) in 0.0100 seconds > hbase(main):006:0> create_namespace 'engdept' > 0 row(s) in 0.0090 seconds > hbase(main):007:0> create 'testqauat:testtable', 'cf1' > 0 row(s) in 1.2590 seconds > => Hbase::Table - testqauat:testtable > hbase(main):008:0> for i in 'a'..'z' do for j in 'a'..'z' do put > 'testqauat:testtable', "row-#{i}#{j}", "cf1:#{j}", "#{j}" end end > {noformat} > - Reload the master UI page and you get: > {noformat} > HTTP ERROR 500 > Problem accessing /master-status. Reason: > INTERNAL_SERVER_ERROR > Caused by: > java.lang.NullPointerException > at > org.apache.hadoop.hbase.tmpl.master.MasterStatusTmplImpl.__jamon_innerUnit__userTables(MasterStatusTmplImpl.java:685) > at > org.apache.hadoop.hbase.tmpl.master.MasterStatusTmplImpl.renderNoFlush(MasterStatusTmplImpl.java:268) > at > org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.renderNoFlush(MasterStatusTmpl.java:377) > at > org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.render(MasterStatusTmpl.java:368) > at > org.apache.hadoop.hbase.master.MasterStatusServlet.doGet(MasterStatusServlet.java:81) > ... > {noformat} > Note that the table.jsp page works fine, just the master page fails. -- This message was sent by Atlassian JIRA (v6.3.4#6332)