[MAPREDUCE-6836] exception thrown when accessing the job configuration web UI

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha2
• Fix Version/s: 2.9.0, 3.0.0-alpha4
• Component/s: webapps
• Hadoop Flags: Reviewed
• Assignee: Haibo Chen
• Reporter: Sangjin Lee
• Created: 25/Jan/17 22:40
• Updated: 30/Mar/17 18:19
• Resolved: 30/Mar/17 17:57

Description

When I navigate the MR job web UI and click the configuration link, the AM shows an exception:

2017-01-25 11:40:55,521 ERROR [qtp2126664214-26] org.apache.hadoop.yarn.webapp.Dispatcher: error handling URI: /mapreduc
e/conf/job_1485372765455_0002
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.hadoop.yarn.webapp.Dispatcher.service(Dispatcher.java:162)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:287)
        at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:277)
        at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:182)
        at com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
        at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:85)
        at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:941)
        at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:875)
        at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:829)
        at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
        at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:119)
        at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:133)
        at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:130)
        at com.google.inject.servlet.GuiceFilter$Context.call(GuiceFilter.java:203)
        at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:130)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1676)
        at org.apache.hadoop.security.http.XFrameOptionsFilter.doFilter(XFrameOptionsFilter.java:57)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1676)
        at org.apache.hadoop.yarn.server.webproxy.amfilter.AmIpFilter.doFilter(AmIpFilter.java:179)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1676)
        at org.apache.hadoop.http.HttpServer2$QuotingInputFilter.doFilter(HttpServer2.java:1458)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1676)
        at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1676)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
        at org.eclipse.jetty.server.Server.handle(Server.java:524)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:319)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:253)
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
        at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
        at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
        at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.hadoop.yarn.webapp.WebAppException: Error rendering block: nestLevel=6 expected 5
        at org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:72)
        at org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:79)
        at org.apache.hadoop.yarn.webapp.View.render(View.java:235)
        at org.apache.hadoop.yarn.webapp.view.HtmlPage$Page.subView(HtmlPage.java:49)
        at org.apache.hadoop.yarn.webapp.hamlet.HamletImpl$EImp._v(HamletImpl.java:117)
        at org.apache.hadoop.yarn.webapp.hamlet.Hamlet$TD._(Hamlet.java:848)
        at org.apache.hadoop.yarn.webapp.view.TwoColumnLayout.render(TwoColumnLayout.java:71)
        at org.apache.hadoop.yarn.webapp.view.HtmlPage.render(HtmlPage.java:82)
        at org.apache.hadoop.yarn.webapp.Controller.render(Controller.java:212)
        at org.apache.hadoop.mapreduce.v2.app.webapp.AppController.conf(AppController.java:323)
        ... 52 more

The web page itself renders fine.

Issue Links

• is broken by: MAPREDUCE-6787 Allow job_conf.xml to be downloadable on the job overview page in JHS