java.lang.NullPointerException

Stack Overflow | Parul Singh | 6 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at com.vaannila.LoginAction.execute()
  2. com.vaannila
    LoginAction.execute
    1. com.vaannila.LoginAction.execute(LoginAction.java:26)
    1 frame
  3. struts
    ActionServlet.doPost
    1. org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
    2. org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
    3. org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
    4. org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
    4 frames
  4. JavaServlet
    HttpServlet.service
    1. javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
    2. javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
    2 frames
  5. Glassfish Core
    StandardPipeline.invoke
    1. org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
    2. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)
    3. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
    4. org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
    5. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
    5 frames
  6. Glassfish
    WebPipeline.invoke
    1. com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
    1 frame
  7. Glassfish Core
    CoyoteAdapter.service
    1. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
    2. org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:415)
    3. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:282)
    3 frames
  8. Kernel Classes
    ContainerMapper.service
    1. com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459)
    2. com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167)
    2 frames
  9. Grizzly Server
    HttpServerFilter.handleRead
    1. org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:201)
    2. org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:175)
    3. org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235)
    3 frames
  10. Grizzly
    AbstractThreadPool$Worker.run
    1. org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
    2. org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:284)
    3. org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:201)
    4. org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:133)
    5. org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:112)
    6. org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
    7. org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:561)
    8. org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)
    9. org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)
    10. org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56)
    11. org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)
    12. org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:565)
    13. org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:545)
    13 frames
  11. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)
    1 frame