Beaucoup d'erreurs FATAL comme celles-ci :
23/03/12-16:42:13,733 - FATAL : kmelia56,12397,7575,1
==> et a priori pas d'informations supplémentaires sur l'erreur


Et aussi beucoup d'erreurs de modifications concurrentes :
23/03/12-18:22:00,014 - ERROR : root.EX_NO_MESSAGE | MODULE : peasCore.SessionManager.doSessionManagement | 
java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
	at java.util.HashMap$ValueIterator.next(HashMap.java:822)
	at com.stratelia.silverpeas.peasCore.SessionManager.doSessionManagement(SessionManager.java:444)
	at com.stratelia.silverpeas.peasCore.SessionManager$1.execute(SessionManager.java:575)
	at com.silverpeas.scheduler.quartz.QuartzSchedulerJob.execute(QuartzSchedulerJob.java:109)
	at com.silverpeas.scheduler.quartz.QuartzScheduler$QuartzJob.execute(QuartzScheduler.java:247)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:216)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:549)
23/03/12-18:22:00,015 - ERROR : root.EX_NO_MESSAGE | MODULE : peasCore.SessionManager.doSessionManagement |  (EXCEPTION : java.util.ConcurrentModificationException)
==> Cette erreur se retrouve plusieurs centaines de fois dans les fichiers traces...

Erreur qui s'est répétée pendant 3 minutes et inscrites plus de 750 fois ce jour-là :
23/03/12-15:58:06,329 - ERROR : util.MSG_EXCEPTION_NOT_EMBEDED | MODULE : util.HomePageUtil.traceException() | Exception non encapsulée dans une Silverpeas...Exception
java.lang.NullPointerException
	at org.apache.jsp.kmelia.jsp.publicationManager_jsp._jspService(publicationManager_jsp.java:1557)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:326)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:253)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:734)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:541)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:479)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:407)
	at com.stratelia.silverpeas.peasCore.servlets.ComponentRequestRouter.redirectService(ComponentRequestRouter.java:256)
	at com.stratelia.silverpeas.peasCore.servlets.ComponentRequestRouter.doPost(ComponentRequestRouter.java:93)
	at com.stratelia.silverpeas.peasCore.servlets.ComponentRequestRouter.doGet(ComponentRequestRouter.java:100)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at com.silverpeas.whitePages.filters.ComponentRequestRouterFilter.doFilter(ComponentRequestRouterFilter.java:93)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
	at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285)
	at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:159)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
	at java.lang.Thread.run(Thread.java:662)
23/03/12-15:58:06,331 - ERROR : util.MSG_EXCEPTION_NOT_EMBEDED | MODULE : util.HomePageUtil.traceException() | Exception non encapsulée dans une Silverpeas...Exception (EXCEPTION : java.lang.NullPointerException)
==> Plusieurs milliers de lignes avec cette même erreur sur 3 minutes

Autre erreur suvrenue une fois :
23/03/12-17:00:01,313 - ERROR : peasCore.EX_REDIRECT_SERVICE_FAILED | MODULE : peasCore.ComponentRequestRouter.redirectService | Erreur du forward de la page (Destination=/POPUP/jsp/readMessage.jsp)
Erreur du forward de la page
nested (Deepest) : 
org.apache.jasper.JasperException: An exception occurred processing JSP page /POPUP/jsp/readMessage.jsp at line 46

43: </html>
44: <%    } else {
45:       POPUPMessage msg = popupScc.getMessage(popupScc.getCurrentMessageId());
46:       String senderId = msg.getSenderId();
47:       boolean answerAllowed = msg.isAnswerAllowed();
48: %>
49: 


Stacktrace:
	at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:498)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:411)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:326)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:253)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:734)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:541)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:479)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:407)
	at com.stratelia.silverpeas.peasCore.servlets.ComponentRequestRouter.redirectService(ComponentRequestRouter.java:256)
	at com.stratelia.silverpeas.peasCore.servlets.ComponentRequestRouter.doPost(ComponentRequestRouter.java:93)
	at com.stratelia.silverpeas.peasCore.servlets.ComponentRequestRouter.doGet(ComponentRequestRouter.java:100)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at com.silverpeas.whitePages.filters.ComponentRequestRouterFilter.doFilter(ComponentRequestRouterFilter.java:93)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
	at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285)
	at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:159)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
	at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NullPointerException
	at org.apache.jsp.POPUP.jsp.readMessage_jsp._jspService(readMessage_jsp.java:140)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
	... 41 more
23/03/12-17:00:01,314 - ERROR : peasCore.EX_REDIRECT_SERVICE_FAILED | MODULE : peasCore.ComponentRequestRouter.redirectService | Erreur du forward de la page (Destination=/POPUP/jsp/readMessage.jsp, EXCEPTION : com.stratelia.silverpeas.peasCore.PeasCoreException: peasCore.EX_REDIRECT_SERVICE_FAILED)


23/03/12-17:57:11,661 - ERROR : pdcPeas.EX_GET_DESTINATION_ERROR | MODULE : pdcPeas.PdcSearchRequestRouter.getDestination | Impossible de trouver la destination
java.lang.NullPointerException
	at com.stratelia.silverpeas.pdcPeas.control.PdcSearchSessionController.getListObjectTypeFilter(PdcSearchSessionController.java:1230)
	at com.stratelia.silverpeas.pdcPeas.control.PdcSearchSessionController.matchingIndexEntries2GlobalSilverResults(PdcSearchSessionController.java:1119)
	at com.stratelia.silverpeas.pdcPeas.control.PdcSearchSessionController.processResultsToDisplay(PdcSearchSessionController.java:661)
	at com.stratelia.silverpeas.pdcPeas.servlets.PdcSearchRequestRouter.getDestination(PdcSearchRequestRouter.java:614)
	at com.stratelia.silverpeas.peasCore.servlets.ComponentRequestRouter.computeDestination(ComponentRequestRouter.java:200)
	at com.stratelia.silverpeas.peasCore.servlets.ComponentRequestRouter.doPost(ComponentRequestRouter.java:86)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at com.silverpeas.whitePages.filters.ComponentRequestRouterFilter.doFilter(ComponentRequestRouterFilter.java:93)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
	at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285)
	at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:159)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
	at java.lang.Thread.run(Thread.java:662)
23/03/12-17:57:11,662 - ERROR : pdcPeas.EX_GET_DESTINATION_ERROR | MODULE : pdcPeas.PdcSearchRequestRouter.getDestination | Impossible de trouver la destination (EXCEPTION : java.lang.NullPointerException)
23/03/12-17:57:11,662 - ERROR : util.MSG_EXCEPTION_NOT_EMBEDED | MODULE : util.HomePageUtil.traceException() | Exception non encapsulée dans une Silverpeas...Exception
java.lang.NullPointerException
	at com.stratelia.silverpeas.pdcPeas.control.PdcSearchSessionController.getListObjectTypeFilter(PdcSearchSessionController.java:1230)
	at com.stratelia.silverpeas.pdcPeas.control.PdcSearchSessionController.matchingIndexEntries2GlobalSilverResults(PdcSearchSessionController.java:1119)
	at com.stratelia.silverpeas.pdcPeas.control.PdcSearchSessionController.processResultsToDisplay(PdcSearchSessionController.java:661)
	at com.stratelia.silverpeas.pdcPeas.servlets.PdcSearchRequestRouter.getDestination(PdcSearchRequestRouter.java:614)
	at com.stratelia.silverpeas.peasCore.servlets.ComponentRequestRouter.computeDestination(ComponentRequestRouter.java:200)
	at com.stratelia.silverpeas.peasCore.servlets.ComponentRequestRouter.doPost(ComponentRequestRouter.java:86)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at com.silverpeas.whitePages.filters.ComponentRequestRouterFilter.doFilter(ComponentRequestRouterFilter.java:93)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
	at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285)
	at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:159)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
	at java.lang.Thread.run(Thread.java:662)
23/03/12-17:57:11,662 - ERROR : util.MSG_EXCEPTION_NOT_EMBEDED | MODULE : util.HomePageUtil.traceException() | Exception non encapsulée dans une Silverpeas...Exception (EXCEPTION : java.lang.NullPointerException)