ملتقى طلاب وطالبات جامعة الملك فيصل,جامعة الدمام

مافتحت معاي المحاضره الاخره للرياضيات شسالفه منو مثلي
يطلع هيك كلام

Bb Collaborate Error: null http://lms.kfu.edu.sa/webapps/bb-col...-collapsed.png Stack Trace java.lang.NullPointerException at com.bb.collaborate.servlet.BBCollaborateServlet.pr ocessCommand(BBCollaborateServlet.java:191) at com.bb.collaborate.servlet.BBCollaborateServlet.do Get(BBCollaborateServlet.java:105) at javax.servlet.http.HttpServlet.service(HttpServlet .java:617) at javax.servlet.http.HttpServlet.service(HttpServlet .java:717) at sun.reflect.GeneratedMethodAccessor298.invoke(Unkn own Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.security.SecurityUtil$1.run(Se curityUtil.java:269) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject .java:517) at org.apache.catalina.security.SecurityUtil.execute( SecurityUtil.java:301) at org.apache.catalina.security.SecurityUtil.doAsPriv ilege(SecurityUtil.java:162) at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:283) at org.apache.catalina.core.ApplicationFilterChain.ac cess$000(ApplicationFilterChain.java:56) at org.apache.catalina.core.ApplicationFilterChain$1. run(ApplicationFilterChain.java:189) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:185) at blackboard.platform.servlet.B2ContextFilter.doFilt er(B2ContextFilter.java:121) at sun.reflect.GeneratedMethodAccessor306.invoke(Unkn own Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.security.SecurityUtil$1.run(Se curityUtil.java:269) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject .java:517) at org.apache.catalina.security.SecurityUtil.execute( SecurityUtil.java:301) at org.apache.catalina.security.SecurityUtil.doAsPriv ilege(SecurityUtil.java:243) at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:230) at org.apache.catalina.core.ApplicationFilterChain.ac cess$000(ApplicationFilterChain.java:56) at org.apache.catalina.core.ApplicationFilterChain$1. run(ApplicationFilterChain.java:189) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:185) at blackboard.platform.servlet.ContentTypeFilter.doFi lter(ContentTypeFilter.java:57) at sun.reflect.GeneratedMethodAccessor305.invoke(Unkn own Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.security.SecurityUtil$1.run(Se curityUtil.java:269) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject .java:517) at org.apache.catalina.security.SecurityUtil.execute( SecurityUtil.java:301) at org.apache.catalina.security.SecurityUtil.doAsPriv ilege(SecurityUtil.java:243) at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:230) at org.apache.catalina.core.ApplicationFilterChain.ac cess$000(ApplicationFilterChain.java:56) at org.apache.catalina.core.ApplicationFilterChain$1. run(ApplicationFilterChain.java:189) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:185) at blackboard.platform.servlet.XssServletFilter.doFil ter(XssServletFilter.java:138) at sun.reflect.GeneratedMethodAccessor304.invoke(Unkn own Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.security.SecurityUtil$1.run(Se curityUtil.java:269) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject .java:517) at org.apache.catalina.security.SecurityUtil.execute( SecurityUtil.java:301) at org.apache.catalina.security.SecurityUtil.doAsPriv ilege(SecurityUtil.java:243) at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:230) at org.apache.catalina.core.ApplicationFilterChain.ac cess$000(ApplicationFilterChain.java:56) at org.apache.catalina.core.ApplicationFilterChain$1. run(ApplicationFilterChain.java:189) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:185) at blackboard.platform.servlet.RequestSessionFilter.d oFilter(RequestSessionFilter.java:238) at sun.reflect.GeneratedMethodAccessor303.invoke(Unkn own Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.security.SecurityUtil$1.run(Se curityUtil.java:269) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject .java:517) at org.apache.catalina.security.SecurityUtil.execute( SecurityUtil.java:301) at org.apache.catalina.security.SecurityUtil.doAsPriv ilege(SecurityUtil.java:243) at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:230) at org.apache.catalina.core.ApplicationFilterChain.ac cess$000(ApplicationFilterChain.java:56) at org.apache.catalina.core.ApplicationFilterChain$1. run(ApplicationFilterChain.java:189) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:185) at blackboard.platform.servlet.SSLProxyFilter.doFilte r(SSLProxyFilter.java:39) at sun.reflect.GeneratedMethodAccessor302.invoke(Unkn own Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.security.SecurityUtil$1.run(Se curityUtil.java:269) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject .java:517) at org.apache.catalina.security.SecurityUtil.execute( SecurityUtil.java:301) at org.apache.catalina.security.SecurityUtil.doAsPriv ilege(SecurityUtil.java:243) at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:230) at org.apache.catalina.core.ApplicationFilterChain.ac cess$000(ApplicationFilterChain.java:56) at org.apache.catalina.core.ApplicationFilterChain$1. run(ApplicationFilterChain.java:189) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:185) at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:102) at org.apache.catalina.valves.AccessLogValve.invoke(A ccessLogValve.java:567) at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:293) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyo teHandler.java:190) at org.apache.jk.common.HandlerRequest.invoke(Handler Request.java:291) at org.apache.jk.common.ChannelSocket.invoke(ChannelS ocket.java:769) at org.apache.jk.common.ChannelSocket.processConnecti on(ChannelSocket.java:698) at org.apache.jk.common.ChannelSocket$SocketConnectio n.runIt(ChannelSocket.java:891) at org.apache.tomcat.util.threads.ThreadPool$ControlR unnable.run(ThreadPool.java:690) at java.lang.Thread.run(Thread.java:662)

01 ديسمبر, 2012 AST 08:09:04 م موافق http://lms.kfu.edu.sa/images/spacer.gif
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