java.lang.NullPointerException

GitHub | damithc | 2 years ago
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at teammates.ui.controller.StudentProfilePageAction.execute()
    2. teammates.ui.controller
      ControllerServlet.doGet
      1. teammates.ui.controller.StudentProfilePageAction.execute(StudentProfilePageAction.java:22)
      2. teammates.ui.controller.Action.executeAndPostProcess(Action.java:328)
      3. teammates.ui.controller.ControllerServlet.doPost(ControllerServlet.java:58)
      4. teammates.ui.controller.ControllerServlet.doGet(ControllerServlet.java:37)
      4 frames
    3. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      2 frames
    4. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
      2. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
      2 frames
    5. teammates.storage.datastore
      DatastoreFilter.doFilter
      1. teammates.storage.datastore.DatastoreFilter.doFilter(DatastoreFilter.java:28)
      1 frame
    6. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      1 frame
    7. Google AppEngine
      AppstatsFilter.doFilter
      1. com.google.appengine.tools.appstats.AppstatsFilter.doFilter(AppstatsFilter.java:142)
      1 frame
    8. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      1 frame
    9. Google AppEngine
      ParseBlobUploadFilter.doFilter
      1. com.google.apphosting.utils.servlet.ParseBlobUploadFilter.doFilter(ParseBlobUploadFilter.java:125)
      1 frame
    10. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      1 frame
    11. com.google.apphosting
      SaveSessionFilter.doFilter
      1. com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:35)
      1 frame
    12. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      1 frame
    13. Google AppEngine
      JdbcMySqlConnectionCleanupFilter.doFilter
      1. com.google.apphosting.utils.servlet.JdbcMySqlConnectionCleanupFilter.doFilter(JdbcMySqlConnectionCleanupFilter.java:60)
      1 frame
    14. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      1 frame
    15. Google AppEngine
      TransactionCleanupFilter.doFilter
      1. com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
      1 frame
    16. Jetty Server
      WebAppContext.handle
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      2. org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
      3. org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
      4. org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
      5. org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
      6. org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
      6 frames
    17. com.google.apphosting
      AppVersionHandlerMap.handle
      1. com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:254)
      1 frame
    18. Jetty Server
      HttpConnection$RequestHandler.headerComplete
      1. org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
      2. org.mortbay.jetty.Server.handle(Server.java:326)
      3. org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
      4. org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923)
      4 frames
    19. com.google.apphosting
      RpcRequestParser.parseAvailable
      1. com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:76)
      1 frame
    20. Jetty Server
      HttpConnection.handle
      1. org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
      1 frame
    21. com.google.apphosting
      JettyServletEngineAdapter.serviceRequest
      1. com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:146)
      1 frame
    22. appengine-managed-runtime
      JavaRuntime$RequestRunnable.run
      1. com.google.apphosting.runtime.JavaRuntime$RequestRunnable.run(JavaRuntime.java:484)
      1 frame
    23. Google tracing
      TraceContext$TraceContextRunnable.run
      1. com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:438)
      2. com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:445)
      3. com.google.tracing.CurrentContext.runInContext(CurrentContext.java:220)
      4. com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:309)
      5. com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:301)
      6. com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:442)
      6 frames
    24. appengine-managed-runtime
      ThreadGroupPool$PoolEntry.run
      1. com.google.apphosting.runtime.ThreadGroupPool$PoolEntry.run(ThreadGroupPool.java:251)
      1 frame
    25. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:724)
      1 frame