java.lang.NullPointerException

Oracle Community | 815518 | 6 years 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 testchangedescriptors.TestDescription.Test()
    2. testchangedescriptors
      TestDescription.Test
      1. testchangedescriptors.TestDescription.Test(TestDescription.java:55)
      1 frame
    3. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      4. java.lang.reflect.Method.invoke(Method.java:592)
      4 frames
    4. oracle.j2ee.ws
      ImplInvocationHandler.invoke
      1. oracle.j2ee.ws.server.ImplInvocationHandler.invoke(ImplInvocationHandler.java:126)
      1 frame
    5. Unknown
      $Proxy16.Test
      1. $Proxy16.Test(Unknown Source)
      1 frame
    6. testchangedescriptors.runtime
      MyWebService1SoapHttp_Tie.processingHook
      1. testchangedescriptors.runtime.MyWebService1SoapHttp_Tie.invoke_Test(MyWebService1SoapHttp_Tie.java:59)
      2. testchangedescriptors.runtime.MyWebService1SoapHttp_Tie.processingHook(MyWebService1SoapHttp_Tie.java:154)
      2 frames
    7. oracle.j2ee.ws
      WebServiceServlet.doPost
      1. oracle.j2ee.ws.server.StreamingHandler.handle(StreamingHandler.java:297)
      2. oracle.j2ee.ws.server.JAXRPCProcessor.doEndpointProcessing(JAXRPCProcessor.java:413)
      3. oracle.j2ee.ws.server.WebServiceProcessor.invokeEndpointImplementation(WebServiceProcessor.java:349)
      4. oracle.j2ee.ws.server.JAXRPCProcessor.doRequestProcessing(JAXRPCProcessor.java:277)
      5. oracle.j2ee.ws.server.WebServiceProcessor.processRequest(WebServiceProcessor.java:114)
      6. oracle.j2ee.ws.server.JAXRPCProcessor.doService(JAXRPCProcessor.java:134)
      7. oracle.j2ee.ws.server.WebServiceServlet.doPost(WebServiceServlet.java:177)
      7 frames
    8. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
      2 frames
    9. com.evermind.server
      AJPRequestHandler.run
      1. com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:713)
      2. com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
      3. com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)
      4. com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453)
      5. com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:302)
      6. com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:190)
      6 frames
    10. oracle.oc4j.network
      ServerSocketAcceptHandler$AcceptHandlerHorse.run
      1. oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
      2. oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:239)
      3. oracle.oc4j.network.ServerSocketAcceptHandler.access$700(ServerSocketAcceptHandler.java:34)
      4. oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:880)
      4 frames
    11. com.evermind.util
      ReleasableResourcePooledExecutor$MyWorker.run
      1. com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
      1 frame