javax.servlet.ServletException: org.apache.jasper.JasperException: java.lang.NullPointerException

Sakai JIRA | Tim Donohue | 1 year ago
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  1. 0

    Found when setting up http://demo.dspace.org/jspui/ for 6.0 Testathon If the BTE import step is enabled for JSPUI, no submissions can be started, as they all throw this error in the logs: 2016-04-25 20:33:07,613 ERROR org.dspace.app.webui.servlet.SubmissionController @ Error loading step class'org.dspace.submit.step.StartSubmissionLookupStep': javax.servlet.ServletException: org.apache.jasper.JasperException: java.lang.NullPointerException at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:62) at org.dspace.app.webui.submit.JSPStepManager.showJSP(JSPStepManager.java:370) at org.dspace.app.webui.submit.step.JSPStartSubmissionLookupStep.doPreProcessing(JSPStartSubmissionLookupStep.java:178) at org.dspace.app.webui.submit.JSPStepManager.doStepStart(JSPStepManager.java:282) at org.dspace.app.webui.submit.JSPStepManager.processStep(JSPStepManager.java:244) at org.dspace.app.webui.servlet.SubmissionController.doStep(SubmissionController.java:505) at org.dspace.app.webui.servlet.SubmissionController.doDSPost(SubmissionController.java:410) at org.dspace.app.webui.servlet.SubmissionController.doDSGet(SubmissionController.java:243) at org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:126) at org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:73) at javax.servlet.http.HttpServlet.service(HttpServlet.java:620) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.dspace.app.webui.filter.RegisteredOnlyFilter.doFilter(RegisteredOnlyFilter.java:66) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at com.googlecode.psiprobe.Tomcat70AgentValve.invoke(Tomcat70AgentValve.java:38) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.valves.CrawlerSessionManagerValve.invoke(CrawlerSessionManagerValve.java:180) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2462) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2451) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.jasper.JasperException: java.lang.NullPointerException at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:470) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338) at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:60) ... 40 more Caused by: java.lang.NullPointerException at org.dspace.app.webui.jsptag.SelectCollectionTag.doStartTag(SelectCollectionTag.java:87) at org.apache.jsp.submit.start_002dlookup_002dsubmission_jsp._jspService(start_002dlookup_002dsubmission_jsp.java:583) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) ... 53 more For the time being, I've turned OFF BTE metadata import on demo.dspace.org until this error can be resolved.

    Sakai JIRA | 1 year ago | Tim Donohue
    javax.servlet.ServletException: org.apache.jasper.JasperException: java.lang.NullPointerException
  2. 0

    Found when setting up http://demo.dspace.org/jspui/ for 6.0 Testathon If the BTE import step is enabled for JSPUI, no submissions can be started, as they all throw this error in the logs: 2016-04-25 20:33:07,613 ERROR org.dspace.app.webui.servlet.SubmissionController @ Error loading step class'org.dspace.submit.step.StartSubmissionLookupStep': javax.servlet.ServletException: org.apache.jasper.JasperException: java.lang.NullPointerException at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:62) at org.dspace.app.webui.submit.JSPStepManager.showJSP(JSPStepManager.java:370) at org.dspace.app.webui.submit.step.JSPStartSubmissionLookupStep.doPreProcessing(JSPStartSubmissionLookupStep.java:178) at org.dspace.app.webui.submit.JSPStepManager.doStepStart(JSPStepManager.java:282) at org.dspace.app.webui.submit.JSPStepManager.processStep(JSPStepManager.java:244) at org.dspace.app.webui.servlet.SubmissionController.doStep(SubmissionController.java:505) at org.dspace.app.webui.servlet.SubmissionController.doDSPost(SubmissionController.java:410) at org.dspace.app.webui.servlet.SubmissionController.doDSGet(SubmissionController.java:243) at org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:126) at org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:73) at javax.servlet.http.HttpServlet.service(HttpServlet.java:620) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.dspace.app.webui.filter.RegisteredOnlyFilter.doFilter(RegisteredOnlyFilter.java:66) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at com.googlecode.psiprobe.Tomcat70AgentValve.invoke(Tomcat70AgentValve.java:38) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.valves.CrawlerSessionManagerValve.invoke(CrawlerSessionManagerValve.java:180) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2462) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2451) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.jasper.JasperException: java.lang.NullPointerException at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:470) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338) at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:60) ... 40 more Caused by: java.lang.NullPointerException at org.dspace.app.webui.jsptag.SelectCollectionTag.doStartTag(SelectCollectionTag.java:87) at org.apache.jsp.submit.start_002dlookup_002dsubmission_jsp._jspService(start_002dlookup_002dsubmission_jsp.java:583) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) ... 53 more For the time being, I've turned OFF BTE metadata import on demo.dspace.org until this error can be resolved.

    Sakai JIRA | 1 year ago | Tim Donohue
    javax.servlet.ServletException: org.apache.jasper.JasperException: java.lang.NullPointerException
  3. 0

    Getting a nullpointer exception when switching displayables in J2ME

    Stack Overflow | 6 years ago | Pallinder
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
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  5. 0

    J2ME (Java) - Null Pointer Exception caught in Display Class

    Stack Overflow | 6 years ago | Tom
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
  6. 0

    Cloud Foundry v2 in Grails

    Stack Overflow | 3 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.dspace.app.webui.jsptag.SelectCollectionTag.doStartTag()
    2. org.dspace.app
      SelectCollectionTag.doStartTag
      1. org.dspace.app.webui.jsptag.SelectCollectionTag.doStartTag(SelectCollectionTag.java:87)
      1 frame
    3. org.apache.jsp
      start_002dlookup_002dsubmission_jsp._jspService
      1. org.apache.jsp.submit.start_002dlookup_002dsubmission_jsp._jspService(start_002dlookup_002dsubmission_jsp.java:583)
      1 frame
    4. GWT dev
      HttpJspBase.service
      1. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
      1 frame
    5. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
      1 frame
    6. GWT dev
      JspServlet.service
      1. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
      2. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
      3. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
      3 frames
    7. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
      1 frame
    8. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      2 frames
    9. Tomcat WS
      WsFilter.doFilter
      1. org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      1 frame
    10. Glassfish Core
      ApplicationDispatcher.forward
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      3. org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)
      4. org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486)
      5. org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411)
      6. org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338)
      6 frames
    11. org.dspace.app
      DSpaceServlet.doGet
      1. org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:60)
      2. org.dspace.app.webui.submit.JSPStepManager.showJSP(JSPStepManager.java:370)
      3. org.dspace.app.webui.submit.step.JSPStartSubmissionLookupStep.doPreProcessing(JSPStartSubmissionLookupStep.java:178)
      4. org.dspace.app.webui.submit.JSPStepManager.doStepStart(JSPStepManager.java:282)
      5. org.dspace.app.webui.submit.JSPStepManager.processStep(JSPStepManager.java:244)
      6. org.dspace.app.webui.servlet.SubmissionController.doStep(SubmissionController.java:505)
      7. org.dspace.app.webui.servlet.SubmissionController.doDSPost(SubmissionController.java:410)
      8. org.dspace.app.webui.servlet.SubmissionController.doDSGet(SubmissionController.java:243)
      9. org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:126)
      10. org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:73)
      10 frames
    12. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
      2 frames
    13. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      2 frames
    14. Tomcat WS
      WsFilter.doFilter
      1. org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      1 frame
    15. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      2 frames
    16. org.dspace.app
      RegisteredOnlyFilter.doFilter
      1. org.dspace.app.webui.filter.RegisteredOnlyFilter.doFilter(RegisteredOnlyFilter.java:66)
      1 frame
    17. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      2 frames
    18. DSpace Services Framework :: API and Implementation
      DSpaceWebappServletFilter.doFilter
      1. org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78)
      1 frame
    19. Glassfish Core
      StandardHostValve.invoke
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
      5. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
      6. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
      6 frames
    20. com.googlecode.psiprobe
      Tomcat70AgentValve.invoke
      1. com.googlecode.psiprobe.Tomcat70AgentValve.invoke(Tomcat70AgentValve.java:38)
      1 frame
    21. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
      2. org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
      3. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
      4. org.apache.catalina.valves.CrawlerSessionManagerValve.invoke(CrawlerSessionManagerValve.java:180)
      5. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
      5 frames
    22. Grizzly HTTP
      AprEndpoint$SocketProcessor.run
      1. org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
      2. org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
      3. org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2462)
      4. org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2451)
      4 frames
    23. Java RT
      ThreadPoolExecutor$Worker.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      2 frames
    24. Tomcat Util
      TaskThread$WrappingRunnable.run
      1. org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      1 frame
    25. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame