java.lang.NullPointerException

ibm.com | 4 months ago
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    Assign onCickListener to imageView in ExpandableListView inside getChildView.
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    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.
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    Android: Saving Map State in Google map

    Stack Overflow | 1 year ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at psdi.server.MXServer.getProperty()
    2. psdi.server
      MXServer.getProperty
      1. psdi.server.MXServer.getProperty(MXServer.java:4054)
      1 frame
    3. psdi.webclient.system
      RequestManager.manageRequest
      1. psdi.webclient.system.session.WebClientSessionFactory.getMaxSessions(WebClientSessionFactory.java:92)
      2. psdi.webclient.system.session.WebClientSessionFactory.hasAvailableSessions(WebClientSessionFactory.java:133)
      3. psdi.webclient.system.controller.RequestManager.checkSession(RequestManager.java:234)
      4. psdi.webclient.system.controller.RequestManager.manageRequest(RequestManager.java:68)
      4 frames
    4. psdi.webclient.servlet
      WebClientServlet.doGet
      1. psdi.webclient.servlet.WebClientServlet.handleRequest(WebClientServlet.java:123)
      2. psdi.webclient.servlet.WebClientServlet.doGet(WebClientServlet.java:72)
      2 frames
    5. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:718)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:831)
      2 frames
    6. WebSphere
      WebAppFilterChain.doFilter
      1. com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1657)
      2. com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1597)
      3. com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:131)
      3 frames
    7. psdi.webclient.system
      HttpCrossSiteScriptingSecurity.doFilter
      1. psdi.webclient.system.filter.HttpCrossSiteScriptingSecurity.doFilter(HttpCrossSiteScriptingSecurity.java:66)
      1 frame
    8. WebSphere
      WebAppFilterChain.doFilter
      1. com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
      2. com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
      2 frames
    9. psdi.webclient.system
      TIPCMSFilter.doFilter
      1. psdi.webclient.system.filter.TIPCMSFilter.doFilter(TIPCMSFilter.java:38)
      1 frame
    10. WebSphere
      WSWebContainer.handleRequest
      1. com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
      2. com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
      3. com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:77)
      4. com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:908)
      5. com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:934)
      6. com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:502)
      7. com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:179)
      8. com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:91)
      9. com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:864)
      10. com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1583)
      10 frames
    11. com.ibm.ws
      WCChannelLink.ready
      1. com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:186)
      1 frame
    12. WebSphere
      AioReadCompletionListener.futureCompleted
      1. com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:452)
      2. com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:511)
      3. com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:305)
      4. com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:276)
      5. com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
      6. com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
      7. com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)
      7 frames
    13. com.ibm.io
      ResultHandler$2.run
      1. com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
      2. com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
      3. com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
      4. com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
      5. com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
      6. com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
      6 frames
    14. com.ibm.ws
      ThreadPool$Worker.run
      1. com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1604)
      1 frame