java.lang.NullPointerException

cloudstack-users-cn | qin wu | 4 years ago
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    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.
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    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 com.cloud.network.NetworkManagerImpl.allocate()
    2. com.cloud.network
      NetworkManagerImpl.allocate
      1. com.cloud.network.NetworkManagerImpl.allocate(NetworkManagerImpl.java:1535)
      1 frame
    3. com.cloud.utils
      DatabaseCallback.intercept
      1. com.cloud.utils.db.DatabaseCallback.intercept(DatabaseCallback.java:30)
      1 frame
    4. com.cloud.vm
      VirtualMachineManagerImpl.allocate
      1. com.cloud.vm.VirtualMachineManagerImpl.allocate(VirtualMachineManagerImpl.java:280)
      1 frame
    5. com.cloud.utils
      DatabaseCallback.intercept
      1. com.cloud.utils.db.DatabaseCallback.intercept(DatabaseCallback.java:30)
      1 frame
    6. com.cloud.vm
      UserVmManagerImpl.createVirtualMachine
      1. com.cloud.vm.UserVmManagerImpl.createVirtualMachine(UserVmManagerImpl.java:2465)
      1 frame
    7. com.cloud.utils
      ComponentLocator$InterceptorDispatcher.intercept
      1. com.cloud.utils.component.ComponentLocator$InterceptorDispatcher.intercept(ComponentLocator.java:1185)
      1 frame
    8. com.cloud.vm
      UserVmManagerImpl.createAdvancedVirtualMachine
      1. com.cloud.vm.UserVmManagerImpl.createAdvancedVirtualMachine(UserVmManagerImpl.java:2251)
      1 frame
    9. com.cloud.api
      ApiServlet.doGet
      1. com.cloud.api.commands.DeployVMCmd.create(DeployVMCmd.java:388)
      2. com.cloud.api.ApiDispatcher.dispatchCreateCmd(ApiDispatcher.java:78)
      3. com.cloud.api.ApiServer.queueCommand(ApiServer.java:451)
      4. com.cloud.api.ApiServer.handleRequest(ApiServer.java:416)
      5. com.cloud.api.ApiServlet.processRequest(ApiServlet.java:300)
      6. com.cloud.api.ApiServlet.doGet(ApiServlet.java:59)
      6 frames
    10. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      2 frames
    11. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
      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.valves.AccessLogValve.invoke(AccessLogValve.java:555)
      8. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
      9. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
      9 frames
    12. Grizzly HTTP
      NioEndpoint$SocketProcessor.run
      1. org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:889)
      2. org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:721)
      3. org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2260)
      3 frames
    13. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
      3. java.lang.Thread.run(Thread.java:679)
      3 frames