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Date: Tue, 21 Jun 2011 18:27:48 +0000 (UTC)
From: "Eric Yang (JIRA)" <jira@apache.org>
To: chukwa-dev@incubator.apache.org
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Subject: [jira] [Assigned] (CHUKWA-591) ChukwaHBaseStore -
 java.lang.NullPointerException
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     [ https://issues.apache.org/jira/browse/CHUKWA-591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Yang reassigned CHUKWA-591:
--------------------------------

    Assignee: Eric Yang

> ChukwaHBaseStore - java.lang.NullPointerException
> -------------------------------------------------
>
>                 Key: CHUKWA-591
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-591
>             Project: Chukwa
>          Issue Type: Bug
>            Reporter: Abhijit Dhar
>            Assignee: Eric Yang
>
> Get the below error when trying to see SystemMetrics in HICC.(As soon as I click on "SystemMetrics" under Table on HICC)
> I'm using the sigar.SystemMetrics and I also see data in hbase.(0.90.3)
> 2011-06-21 05:02:10,702 ERROR btpool0-5 ChukwaHBaseStore -
> java.lang.NullPointerException
>        at
> org.apache.hadoop.chukwa.datastore.ChukwaHBaseStore.getColumnNamesHelper(ChukwaHBaseStore.java:125)
>        at
> org.apache.hadoop.chukwa.datastore.ChukwaHBaseStore.getColumnNames(ChukwaHBaseStore.java:160)
>        at
> org.apache.hadoop.chukwa.hicc.rest.MetricsController.getColumnNames(MetricsController.java:158)
>        at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown Source)
>        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>        at java.lang.reflect.Method.invoke(Method.java:597)
>        at
> com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:15
> 6)
>        at
> com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:67)
>        at
> com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:166)
>        at
> com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:114)
>        at
> com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:74)
>        at
> com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:114)
>        at
> com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:66)
>        at
> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:658)
>        at
> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:616)
>        at
> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:607)
>        at
> com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:309)
>        at
> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:425)
>        at
> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:590)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
>        at
> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
>        at
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
>        at
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>        at
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
>        at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
>        at
> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
>        at
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
>        at
> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
>        at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>        at org.mortbay.jetty.Server.handle(Server.java:324)
>        at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
>        at
> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:829)
>        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:513)
>        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
>        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
>        at
> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
>        at
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)

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