java.lang.NullPointerException

hadoop-chukwa-user | Eric Yang | 6 years ago
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  1. 0

    Re: HBase Exceptions in HICC

    hadoop-chukwa-user | 6 years ago | abhijitdhar
    java.lang.NullPointerException
  2. 0

    Re: HBase Exceptions in HICC

    hadoop-chukwa-user | 6 years ago | Eric Yang
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.apache.hadoop.chukwa.datastore.ChukwaHBaseStore.getColumnNamesHelper()
    2. org.apache.hadoop
      MetricsController.getColumnNames
      1. org.apache.hadoop.chukwa.datastore.ChukwaHBaseStore.getColumnNamesHelper(ChukwaHBaseStore.java:125)
      2. org.apache.hadoop.chukwa.datastore.ChukwaHBaseStore.getColumnNames(ChukwaHBaseStore.java:160)
      3. org.apache.hadoop.chukwa.hicc.rest.MetricsController.getColumnNames(MetricsController.java:158)
      3 frames
    3. Java RT
      Method.invoke
      1. sun.reflect.GeneratedMethodAccessor15.invoke(Unknown Source)
      2. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      3. java.lang.reflect.Method.invoke(Method.java:597)
      3 frames
    4. Jersey
      WebApplicationImpl.handleRequest
      1. com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:156)
      2. com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:67)
      3. com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:166)
      4. com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:114)
      5. com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:74)
      6. com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:114)
      7. com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:66)
      8. com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:658)
      9. com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:616)
      10. com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:607)
      10 frames
    5. Jersey
      ServletContainer.service
      1. com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:309)
      2. com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:425)
      3. com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:590)
      3 frames
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
      1 frame
    7. Jetty Server
      SelectChannelEndPoint.run
      1. org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
      2. org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
      3. org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
      4. org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
      5. org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
      6. org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
      7. org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
      8. org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
      9. org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
      10. org.mortbay.jetty.Server.handle(Server.java:324)
      11. org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
      12. org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:829)
      13. org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:513)
      14. org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
      15. org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
      16. org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
      16 frames
    8. Jetty Util
      QueuedThreadPool$PoolThread.run
      1. org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
      1 frame