Good Day all,

Please, i can't Login and register on dspace i installed. when i try to
register or login i get the following

An internal server error occurred on http://dspace.unijos.edu.ng/jspui:

Date:       12/05/09 09:26
Session ID: D55AD1FBD6A6A248C5BB6F43CE85D672

-- URL Was: http://127.0.0.1/ldap-login
-- Method: POST
-- Parameters were:
-- login_password: **not logged**
-- login_submit: "Log In"
-- login_netid: "[email protected]" <[email protected]>


Exception:
java.lang.NullPointerException
        at 
org.dspace.authenticate.LDAPHierarchicalAuthentication$SpeakerToLDAP.getDNOfUser(LDAPHierarchicalAuthentication.java:383)
        at 
org.dspace.authenticate.LDAPHierarchicalAuthentication.authenticate(LDAPHierarchicalAuthentication.java:214)
        at 
org.dspace.authenticate.AuthenticationManager.authenticateInternal(AuthenticationManager.java:199)
        at 
org.dspace.authenticate.AuthenticationManager.authenticate(AuthenticationManager.java:136)
        at 
org.dspace.app.webui.servlet.LDAPServlet.doDSPost(LDAPServlet.java:110)
        at 
org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:147)
        at 
org.dspace.app.webui.servlet.DSpaceServlet.doPost(DSpaceServlet.java:105)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:875)
        at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
        at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
        at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
        at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)


Thank you

Ruth Anjo
University of Jos

        at java.lang.Thread.run(Unknown Source)
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