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https://issues.apache.org/jira/browse/HBASE-15812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15280431#comment-15280431
]
Ted Yu commented on HBASE-15812:
--------------------------------
This is what I get accessing '/metrics' on the master of a 1.1.2 cluster:
{code}
HTTP ERROR 500
Problem accessing /metrics. Reason:
INTERNAL_SERVER_ERROR
Caused by:
java.lang.NullPointerException
at
org.apache.hadoop.http.HttpServer2.isInstrumentationAccessAllowed(HttpServer2.java:1029)
at
org.apache.hadoop.metrics.MetricsServlet.doGet(MetricsServlet.java:109)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)
at
org.apache.hadoop.hbase.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:113)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
at
org.apache.hadoop.hbase.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1350)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
at
org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
at
org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:767)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
at
org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
{code}
> HttpServer fails to come up against hadoop trunk
> ------------------------------------------------
>
> Key: HBASE-15812
> URL: https://issues.apache.org/jira/browse/HBASE-15812
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.0.1
> Reporter: Sangjin Lee
> Assignee: Ted Yu
> Fix For: 2.0.0
>
> Attachments: 15812.v1.txt, 15812.v1.txt
>
>
> If you run HBase HttpServer against the hadoop trunk, it fails.
> {noformat}
> Caused by: java.lang.NoClassDefFoundError:
> org/apache/hadoop/metrics/MetricsServlet
> at
> org.apache.hadoop.hbase.http.HttpServer.addDefaultServlets(HttpServer.java:677)
> at
> org.apache.hadoop.hbase.http.HttpServer.initializeWebServer(HttpServer.java:546)
> at org.apache.hadoop.hbase.http.HttpServer.<init>(HttpServer.java:500)
> at org.apache.hadoop.hbase.http.HttpServer.<init>(HttpServer.java:104)
> at
> org.apache.hadoop.hbase.http.HttpServer$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).
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