[Building Sakai] Announcements: java.lang.OutOfMemoryError
Mustansar Mehmood
mustansar at rice.edu
Thu Jul 15 06:36:11 PDT 2010
What version of Sakai, Java and tomcat are you running ?
On 07/15/2010 08:22 AM, Yzelle, Sonette wrote:
> This message (and attachments) is subject to restrictions and a
> disclaimer. Please refer to http://www.unisa.ac.za/disclaimer for full
> details.
> ------------------------------------------------------------------------
>
> Good day,
>
> When we try to send out an announcement to 15000 students with 3
> attachments we get the error below?
>
> Has anyone else experienced something similar with announcements?
>
> We have googled and see that it is VM that is not enough and that we
> might have a memory leak?
>
> When we send announcements to smaller groups (with attachments) of
> students there is no error.
>
> We would appreciate your input on whether we must increase our VM
> memory or if you think there might be a problem with the way threads
> are opened and closed?
>
> Thanking you in advance.
>
> Regards
>
> Sonette
>
> This information will automatically be included in your bug report.
>
> org.sakaiproject.portal.api.PortalHandlerException:
> org.sakaiproject.tool.api.ToolException
>
> at
> org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:768)
>
> caused by: org.sakaiproject.tool.api.ToolException
>
> at org.sakaiproject.cheftool.ToolServlet.doGet(ToolServlet.java:227)
>
> caused by: java.lang.reflect.InvocationTargetException
>
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>
> caused by: java.lang.OutOfMemoryError: unable to create new native thread
>
> at java.lang.Thread.start0(Native Method)
>
> at java.lang.Thread.start(Thread.java:574)
>
> at com.sun.jndi.ldap.Connection.<init>(Connection.java:212)
>
> at com.sun.jndi.ldap.LdapClient.<init>(LdapClient.java:118)
>
> at com.sun.jndi.ldap.LdapClient.getInstance(LdapClient.java:1578)
>
> at com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2605)
>
> at com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:284)
>
> at
> com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(LdapCtxFactory.java:175)
>
> at
> com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(LdapCtxFactory.java:193)
>
> at
> com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(LdapCtxFactory.java:136)
>
> at
> com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(LdapCtxFactory.java:66)
>
> at
> javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:667)
>
> at
> javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:247)
>
> at javax.naming.InitialContext.init(InitialContext.java:223)
>
> at
> javax.naming.ldap.InitialLdapContext.<init>(InitialLdapContext.java:134)
>
> at
> za.ac.unisa.lms.providers.user.ad.StudentDirectoryProvider.getGCCtx(StudentDirectoryProvider.java:349)
>
> at
> za.ac.unisa.lms.providers.user.ad.ADDirectoryProvider.findUser(ADDirectoryProvider.java:234)
>
> at
> za.ac.unisa.lms.providers.user.ad.ADDirectoryProvider.findUserDn(ADDirectoryProvider.java:299)
>
> at
> za.ac.unisa.lms.providers.user.ad.ADDirectoryProvider.userExists(ADDirectoryProvider.java:461)
>
> at
> za.ac.unisa.lms.providers.user.UNISADirectoryProvider.getDisplayName(UNISADirectoryProvider.java:214)
>
> at
> org.sakaiproject.user.impl.BaseUserDirectoryService$BaseUserEdit.getDisplayName(BaseUserDirectoryService.java:2179)
>
> at
> org.sakaiproject.announcement.tool.AnnouncementAction$AnnouncementWrapper.<init>(AnnouncementAction.java:427)
>
> at
> org.sakaiproject.announcement.tool.AnnouncementAction$AnnouncementWrapper.wrapList(AnnouncementAction.java:676)
>
> at
> org.sakaiproject.announcement.tool.AnnouncementAction$AnnouncementWrapper.access$400(AnnouncementAction.java:355)
>
> at
> org.sakaiproject.announcement.tool.AnnouncementAction.getMessages(AnnouncementAction.java:1470)
>
> at
> org.sakaiproject.announcement.tool.AnnouncementAction.buildMainPanelContext(AnnouncementAction.java:906)
>
> at sun.reflect.GeneratedMethodAccessor1014.invoke(null:-1)
>
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>
> at java.lang.reflect.Method.invoke(Method.java:585)
>
> at
> org.sakaiproject.cheftool.VelocityPortletPaneledAction.toolModeDispatch(VelocityPortletPaneledAction.java:401)
>
> at org.sakaiproject.cheftool.ToolServlet.doGet(ToolServlet.java:227)
>
> at
> org.sakaiproject.cheftool.VelocityPortletPaneledAction.doGet(VelocityPortletPaneledAction.java:1014)
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
>
> at
> org.sakaiproject.vm.ComponentServlet.service(ComponentServlet.java:56)
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
>
> at
> org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:565)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
>
> at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679)
>
> at
> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461)
>
> at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:364)
>
> at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
>
> at
> org.sakaiproject.tool.impl.ActiveToolComponent$MyActiveTool.forward(ActiveToolComponent.java:486)
>
> at
> org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1216)
>
> at
> org.sakaiproject.portal.charon.handlers.ToolHandler.doTool(ToolHandler.java:188)
>
> at
> org.sakaiproject.portal.charon.handlers.ToolHandler.doGet(ToolHandler.java:93)
>
> at
> org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:768)
>
> 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:269)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
>
> at
> org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:616)
>
> 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:174)
>
> 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.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200)
>
> at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
>
> at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773)
>
> at
> org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703)
>
> at
> org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895)
>
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
>
> at java.lang.Thread.run(Thread.java:595)
>
> user: bfab32cb-2ab9-46c6-80e4-ee7664cbabf4
>
> usage-session: a5ae0727-081d-44a4-a1a4-a7faf90c683f
>
> time: 12-Jul-2010 08:37:54
>
> *Klarissa Engelbrecht*
>
> *Module Leader EUP1501*
>
> End-user Computing Practical Tuition Team
>
> School of Computing
>
> College of Science, Engineering and Technology
>
> Tel.: +27 12 429 6878/6653
>
> Unisa-email-signature
>
>
> _______________________________________________
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>
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--
Mustansar Mehmood
Educational System Developer& Integrator
Information Technology
6100 Main St. MS 119
Houston Texas 77005
Phone:(713)348-2523
Fax :(713)348 6099
email:mustansar at rice.edu
I have yet to see any problem, however complicated, which, when,you looked at it in the right way, did not become still more complicated.
-- Poul Anderson
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