[Building Sakai] Sakai Startup Problem

[tannaz alinaghi]

Hi all,

After deploying Sakai and Tomcat startup process, Sakai does not work properly. The reported log is as follows,
org.sakaiproject.portal.api.PortalHandlerException: java.lang.NullPointerException
    at org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:891)
caused by: java.lang.NullPointerException
    at net.sf.ehcache.Cache.isElementInMemory(Cache.java:1647)
    at net.sf.ehcache.Cache.isKeyInCache(Cache.java:1758)
    at org.sakaiproject.memory.impl.MemCache.containsKey(MemCache.java:400)
    at org.sakaiproject.site.impl.SiteCacheImpl.containsKey(SiteCacheImpl.java:96)
    at org.sakaiproject.site.impl.BaseSiteService.getCachedSite(BaseSiteService.java:525)
    at org.sakaiproject.site.impl.BaseSiteService.getDefinedSite(BaseSiteService.java:556)
    at org.sakaiproject.site.impl.BaseSiteService.getSite(BaseSiteService.java:645)
    at org.sakaiproject.site.impl.BaseSiteService.getSiteVisit(BaseSiteService.java:714)
    at org.sakaiproject.site.cover.SiteService.getSiteVisit(SiteService.java:130)
    at org.sakaiproject.portal.util.PortalSiteHelper.getSiteVisit(PortalSiteHelper.java:590)
    at org.sakaiproject.portal.charon.handlers.SiteHandler.doSite(SiteHandler.java:159)
    at org.sakaiproject.portal.charon.handlers.SiteHandler.doGet(SiteHandler.java:117)
    at org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:891)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:627)
    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.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:592)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
    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)
    at java.lang.Thread.run(Thread.java:595)
Does anyone know how I can address the problem?

Thanks,

T.A.



      
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://collab.sakaiproject.org/pipermail/sakai-dev/attachments/20090906/8664c097/attachment.html