java.lang.NullPointerException

GitHub | chowyb | 4 months ago
  1. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months 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 org.apache.poi.POIXMLDocument.write()
    2. POI
      POIXMLDocument.write
      1. org.apache.poi.POIXMLDocument.write(POIXMLDocument.java:217)
      1 frame
    3. teammates.ui.controller
      ControllerServlet.doPost
      1. teammates.ui.controller.XlsxFileDownloadResult.send(XlsxFileDownloadResult.java:44)
      2. teammates.ui.controller.ControllerServlet.doPost(ControllerServlet.java:65)
      2 frames
    4. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      2 frames
    5. 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
    6. teammates.storage.datastore
      DatastoreFilter.doFilter
      1. teammates.storage.datastore.DatastoreFilter.doFilter(DatastoreFilter.java:29)
      1 frame
    7. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      1 frame
    8. Google AppEngine
      AppstatsFilter.doFilter
      1. com.google.appengine.tools.appstats.AppstatsFilter.doFilter(AppstatsFilter.java:143)
      1 frame
    9. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      1 frame
    10. com.google.appengine
      DevSocketFilter.doFilter
      1. com.google.appengine.api.socket.dev.DevSocketFilter.doFilter(DevSocketFilter.java:74)
      1 frame
    11. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      1 frame
    12. AppEngine Testing
      ResponseRewriterFilter.doFilter
      1. com.google.appengine.tools.development.ResponseRewriterFilter.doFilter(ResponseRewriterFilter.java:128)
      1 frame
    13. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      1 frame
    14. AppEngine Testing
      HeaderVerificationFilter.doFilter
      1. com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:34)
      1 frame
    15. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      1 frame
    16. com.google.appengine
      ServeBlobFilter.doFilter
      1. com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:63)
      1 frame
    17. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      1 frame
    18. Google AppEngine
      TransactionCleanupFilter.doFilter
      1. com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
      1 frame
    19. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      1 frame
    20. AppEngine Testing
      StaticFileFilter.doFilter
      1. com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:125)
      1 frame
    21. Jetty Server
      ServletHandler$CachedChain.doFilter
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      1 frame
    22. AppEngine Testing
      DevAppServerModulesFilter.doFilter
      1. com.google.appengine.tools.development.DevAppServerModulesFilter.doDirectRequest(DevAppServerModulesFilter.java:366)
      2. com.google.appengine.tools.development.DevAppServerModulesFilter.doDirectModuleRequest(DevAppServerModulesFilter.java:349)
      3. com.google.appengine.tools.development.DevAppServerModulesFilter.doFilter(DevAppServerModulesFilter.java:116)
      3 frames
    23. Jetty Server
      WebAppContext.handle
      1. org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
      2. org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
      3. org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
      4. org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
      5. org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
      6. org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
      6 frames
    24. AppEngine Testing
      DevAppEngineWebAppContext.handle
      1. com.google.appengine.tools.development.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:98)
      1 frame
    25. Jetty Server
      HandlerWrapper.handle
      1. org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
      1 frame
    26. AppEngine Testing
      JettyContainerService$ApiProxyHandler.handle
      1. com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:509)
      1 frame
    27. Jetty Server
      SelectChannelEndPoint.run
      1. org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
      2. org.mortbay.jetty.Server.handle(Server.java:326)
      3. org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
      4. org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938)
      5. org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
      6. org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
      7. org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
      8. org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
      8 frames
    28. Jetty Util
      QueuedThreadPool$PoolThread.run
      1. org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
      1 frame