java.util.ConcurrentModificationException

GitHub | dneuman64 | 2 months ago
  1. 0

    Stats Summary does not work in Traffic Monitor

    GitHub | 2 months ago | dneuman64
    java.util.ConcurrentModificationException
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    Root Cause Analysis

    1. java.util.ConcurrentModificationException

      No message provided

      at java.util.LinkedList$ListItr.checkForComodification()
    2. Java RT
      LinkedList$ListItr.next
      1. java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:953)
      2. java.util.LinkedList$ListItr.next(LinkedList.java:886)
      2 frames
    3. com.comcast.cdn
      JsonPage.renderPage
      1. com.comcast.cdn.traffic_control.traffic_monitor.health.AbstractState.getSummary(AbstractState.java:120)
      2. com.comcast.cdn.traffic_control.traffic_monitor.publish.StatSummary.getJson(StatSummary.java:58)
      3. com.comcast.cdn.traffic_control.traffic_monitor.publish.JsonPage.renderPage(JsonPage.java:51)
      3 frames
    4. Wicket Core
      RequestCycle$HandlerExecutor.respond
      1. org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:115)
      2. org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:237)
      3. org.apache.wicket.core.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:165)
      4. org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:814)
      4 frames
    5. Wicket Request
      RequestHandlerStack.execute
      1. org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
      1 frame
    6. Wicket Core
      WicketFilter.doFilter
      1. org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:253)
      2. org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:210)
      3. org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:281)
      4. org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:188)
      5. org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:245)
      5 frames
    7. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
      5. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
      6. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
      7. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
      8. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:291)
      8 frames
    8. Grizzly HTTP
      JIoEndpoint$Worker.run
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
      2. org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
      3. org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
      3 frames