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Posted to modperl@perl.apache.org by Viji ayyanar <vi...@gmail.com> on 2007/03/05 15:20:03 UTC

internal server error in dspace

hai,
   I have encountered an error when i access the homepage. if possible give
me the solution to resolve this problem . Thank You
*The error is *
**

An internal server error occurred on http://localhost:8080/xdams:

Date: 3/5/07 6:23 PM

Session ID: 0FA0F70BB560560A23B187A54718A5CD

-- URL Was: http://localhost:8080/xdams/admin_home

-- Method: GET

-- Parameters were:



Exception:

java.lang.NullPointerException

at org.dspace.core.Context.abort(Context.java:249)

at org.apache.jsp.index_jsp._jspService(org.apache.jsp.index_jsp:99)

at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:332)

at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)

at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:252)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)

at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:213)

at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:178)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
:126)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:105)

at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:107)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java
:148)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:869)

at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection
(Http11BaseProtocol.java:667)

at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(
PoolTcpEndpoint.java:527)

at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(
LeaderFollowerWorkerThread.java:80)

at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
ThreadPool.java:684)

at java.lang.Thread.run(Thread.java:595)
*Log file*

**
**
SEVERE: Servlet.service() for servlet admin_home threw exception
java.util.NoSuchElementException
 at
org.apache.catalina.core.ApplicationHttpRequest$AttributeNamesEnumerator.nextElement
(ApplicationHttpRequest.java:931)
 at org.dspace.custom.AdminHomeServlet.doDSPost(AdminHomeServlet.java:69)
 at org.dspace.custom.AdminHomeServlet.doDSGet(AdminHomeServlet.java:47)
 at org.dspace.app.webui.servlet.DSpaceServlet.processRequest(
DSpaceServlet.java:151)
 at org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:99)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:252)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
 at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:672)
 at org.apache.catalina.core.ApplicationDispatcher.processRequest(
ApplicationDispatcher.java:463)
 at org.apache.catalina.core.ApplicationDispatcher.doForward(
ApplicationDispatcher.java:398)
 at org.apache.catalina.core.ApplicationDispatcher.forward(
ApplicationDispatcher.java:301)
 at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:91)
 at org.apache.jsp.home_jsp._jspService(org.apache.jsp.home_jsp:162)
 at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:332)
 at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:252)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
 at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:672)
 at org.apache.catalina.core.ApplicationDispatcher.processRequest(
ApplicationDispatcher.java:463)
 at org.apache.catalina.core.ApplicationDispatcher.doForward(
ApplicationDispatcher.java:398)
 at org.apache.catalina.core.ApplicationDispatcher.forward(
ApplicationDispatcher.java:301)
 at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:91)
 at org.apache.jsp.index_jsp._jspService(org.apache.jsp.index_jsp:83)
 at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:332)
 at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:252)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
 at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:213)
 at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:178)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
:126)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:105)
 at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:107)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java
:148)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:869)
 at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection
(Http11BaseProtocol.java:667)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(
PoolTcpEndpoint.java:527)
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(
LeaderFollowerWorkerThread.java:80)
 at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
ThreadPool.java:684)
 at java.lang.Thread.run(Thread.java:595)
Mar 5, 2007 7:22:23 PM org.apache.catalina.core.ApplicationDispatcher invoke
SEVERE: Servlet.service() for servlet jsp threw exception
java.util.NoSuchElementException
 at
org.apache.catalina.core.ApplicationHttpRequest$AttributeNamesEnumerator.nextElement
(ApplicationHttpRequest.java:931)
 at org.dspace.custom.AdminHomeServlet.doDSPost(AdminHomeServlet.java:69)
 at org.dspace.custom.AdminHomeServlet.doDSGet(AdminHomeServlet.java:47)
 at org.dspace.app.webui.servlet.DSpaceServlet.processRequest(
DSpaceServlet.java:151)
 at org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:99)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:252)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
 at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:672)
 at org.apache.catalina.core.ApplicationDispatcher.processRequest(
ApplicationDispatcher.java:463)
 at org.apache.catalina.core.ApplicationDispatcher.doForward(
ApplicationDispatcher.java:398)
 at org.apache.catalina.core.ApplicationDispatcher.forward(
ApplicationDispatcher.java:301)
 at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:91)
 at org.apache.jsp.home_jsp._jspService(org.apache.jsp.home_jsp:162)
 at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:332)
 at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:252)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
 at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:672)
 at org.apache.catalina.core.ApplicationDispatcher.processRequest(
ApplicationDispatcher.java:463)
 at org.apache.catalina.core.ApplicationDispatcher.doForward(
ApplicationDispatcher.java:398)
 at org.apache.catalina.core.ApplicationDispatcher.forward(
ApplicationDispatcher.java:301)
 at org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:91)
 at org.apache.jsp.index_jsp._jspService(org.apache.jsp.index_jsp:83)
 at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:332)
 at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:252)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
 at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:213)
 at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:178)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
:126)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:105)
 at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:107)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java
:148)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:869)
 at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection
(Http11BaseProtocol.java:667)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(
PoolTcpEndpoint.java:527)
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(
LeaderFollowerWorkerThread.java:80)
 at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
ThreadPool.java:684)
 at java.lang.Thread.run(Thread.java:595)
Mar 5, 2007 7:22:23 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet jsp threw exception
java.lang.NullPointerException
 at org.dspace.core.Context.abort(Context.java:249)
 at org.apache.jsp.index_jsp._jspService(org.apache.jsp.index_jsp:99)
 at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:332)
 at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:252)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
 at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:213)
 at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:178)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
:126)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:105)
 at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:107)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java
:148)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:869)
 at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection
(Http11BaseProtocol.java:667)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(
PoolTcpEndpoint.java:527)
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(
LeaderFollowerWorkerThread.java:80)
 at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
ThreadPool.java:684)
 at java.lang.Thread.run(Thread.java:595)



-- 
by
c.viji

Re: internal server error in dspace

Posted by Jeremy Wall <je...@marzhillstudios.com>.

On Monday 05 March 2007 08:20, Viji ayyanar wrote:
> hai,
>    I have encountered an error when i access the homepage. if possible give
> me the solution to resolve this problem . Thank You
> *The error is *
> **
>
> An internal server error occurred on http://localhost:8080/xdams:
>
> Date: 3/5/07 6:23 PM
>
> Session ID: 0FA0F70BB560560A23B187A54718A5CD
>
> -- URL Was: http://localhost:8080/xdams/admin_home
>
> -- Method: GET
>
> -- Parameters were:
>
>
>
> Exception:
>
> java.lang.NullPointerException

I think you meant to post this to a different List. While I'm sure some folks 
on here know something about Java and dspace I'm also sure most of them won't 
answer you in this list since it's devoted to ModPerl questions.


<snip>

Jeremy Wall
jeremy@marzhillstudios.com
http://jeremy.marzhillstudios.com/