java.lang.NullPointerException

jboss.org | 4 months ago
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  1. 0

    MongoDB Java Servlet Web Application Example Tutorial - JournalDev

    journaldev.com | 5 months ago
    java.lang.NoSuchMethodError: javax.servlet.http.HttpServletRequest.getServletContext()Ljavax/servlet/ServletContext;
  2. 0

    java.lang.IllegalStateException

    Oracle Community | 9 years ago | 843842
    java.lang.IllegalStateException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.xminds.SessionTracker.put()
    2. com.xminds
      SessionTracker.put
      1. com.xminds.SessionTracker.put(SessionTracker.java:64)
      1 frame
    3. com.xminds.servlets
      AddPersonServlet.doPost
      1. com.xminds.servlets.AddPersonServlet.doService(AddPersonServlet.java:80)
      2. com.xminds.servlets.AddPersonServlet.doPost(AddPersonServlet.java:27)
      2 frames
    4. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
      2 frames
    5. Glassfish Core
      StandardHostValve.invoke
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
      5. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
      5 frames
    6. org.apache.catalina
      ReplicationValve.invoke
      1. org.apache.catalina.cluster.session.JvmRouteBinderValve.invoke(JvmRouteBinderValve.java:209)
      2. org.apache.catalina.cluster.tcp.ReplicationValve.invoke(ReplicationValve.java:346)
      2 frames
    7. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
      2. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
      3. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
      3 frames
    8. Embedded GlassFish Web
      ChannelSocket$SocketConnection.runIt
      1. org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199)
      2. org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282)
      3. org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767)
      4. org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697)
      5. org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889)
      5 frames
    9. Tomcat Util
      ThreadPool$ControlRunnable.run
      1. org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
      1 frame
    10. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:595)
      1 frame