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Ted Yu commented on HBASE-15812: -------------------------------- In master branch, 'Metrics Dump' is also hooked up to /jmx: hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/MasterStatusTmpl.jamon: <li><a href="/jmx">Metrics Dump</a></li> I think we can drop '/metrics' > HttpServer fails to come up against hadoop trunk > ------------------------------------------------ > > Key: HBASE-15812 > URL: https://issues.apache.org/jira/browse/HBASE-15812 > Project: HBase > Issue Type: Bug > Affects Versions: 1.0.1 > Reporter: Sangjin Lee > Assignee: Ted Yu > Fix For: 2.0.0 > > Attachments: 15812.v1.txt, 15812.v1.txt > > > If you run HBase HttpServer against the hadoop trunk, it fails. > {noformat} > Caused by: java.lang.NoClassDefFoundError: > org/apache/hadoop/metrics/MetricsServlet > at > org.apache.hadoop.hbase.http.HttpServer.addDefaultServlets(HttpServer.java:677) > at > org.apache.hadoop.hbase.http.HttpServer.initializeWebServer(HttpServer.java:546) > at org.apache.hadoop.hbase.http.HttpServer.<init>(HttpServer.java:500) > at org.apache.hadoop.hbase.http.HttpServer.<init>(HttpServer.java:104) > at > org.apache.hadoop.hbase.http.HttpServer$Builder.build(HttpServer.java:345) > at org.apache.hadoop.hbase.http.InfoServer.<init>(InfoServer.java:77) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.putUpWebUI(HRegionServer.java:1697) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.<init>(HRegionServer.java:550) > at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:333) > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native > Method) > at > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) > at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > at java.lang.reflect.Constructor.newInstance(Constructor.java:525) > at > org.apache.hadoop.hbase.util.JVMClusterUtil.createMasterThread(JVMClusterUtil.java:139) > ... 26 more > {noformat} > The hadoop trunk removed {{MetricsServlet}} (HADOOP-12504). -- This message was sent by Atlassian JIRA (v6.3.4#6332)