Forum LAMS for Tech-Heads - General Forum: LAMS2 and Blackboard Integration out!

By: Ernie Ghiglione

[ Reply | Forward ]

Oopss... some have emailed me saying that the animation link was wrong... sorry about that.

The animation/tutorials can be found here:

http://wiki.lamsfoundation.org/display/lams/Blackboard

Thanks,

ernie

Posted by Ernie Ghiglione

By: Fiona Malikoff

[ Reply | Forward ]

We've had a bug report today about Blackboard 7.1.

Our current building block (1.0.1) is not working with 7.1. You can install it, but you can't start lessons. We are assuming that the same problem will exist with 7.0.

The problem is related to the compatibility package used in 7.1.

We are looking into the problem and will work out a fix for it as soon as we can. It is in our bug tracking system as
http://bugs.lamsfoundation.org/browse/LDEV-1350 should you wish to follow its progress.

Fiona

Posted by Fiona Malikoff

By: Kiak Nam Norman Kee

[ Reply | Forward ]

Hi,
Thanks for releasing the building block. The installation of the building block went smoothly. All the parameters on both Blackboard and LAMSv2.0.4 were accordingly entered. However, when a LAMS2 activity is to be created for the Course Documents, I received the error message 2 last from below. Checking the lams.log showed the message 1 below. Can you help me to understand what I could have done incorrectly.

rgds,
Norman

Message 1

16:43:10,995 [http-0.0.0.0-80-6:] ERROR org.lamsfoundation.lams.web.session.SessionManager - Failed on finding current system session with null sessionId
16:43:10,995 [http-0.0.0.0-80-6:] ERROR org.lamsfoundation.lams.web.session.SessionManager - Failed on finding current system session with null sessionId


Message 2


Error
null

java.lang.IllegalStateException
at org.apache.catalina.connector.ResponseFacade.sendRedirect(ResponseFacade.java:432)
at org.apache.jsp.modules.create_jsp._jspService(create_jsp.java:100)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at sun.reflect.GeneratedMethodAccessor189.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:243)
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:275)
at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:161)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:245)
at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:50)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:156)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:152)
at blackboard.platform.servlet.ContentTypeFilter.doFilter(ContentTypeFilter.java:56)
at sun.reflect.GeneratedMethodAccessor197.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:243)
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:275)
at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:217)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:197)
at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:50)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:156)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:152)
at blackboard.platform.servlet.RequestSessionFilter.handleRequest(RequestSessionFilter.java:314)
at blackboard.platform.servlet.RequestSessionFilter.doFilter(RequestSessionFilter.java:152)
at sun.reflect.GeneratedMethodAccessor196.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:243)
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:275)
at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:217)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:197)
at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:50)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:156)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:152)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:754)
at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:684)
at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:876)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)




Thursday, September 13, 2007 4:52:08 PM SGT

Posted by Kiak Nam Norman Kee

By: Luke Foxton

[ Reply | Forward ]

Hello Norman

This error could be caused by a number of things. The problem probably has something to do with the calls coming from Blackboard to LAMS. If you could send me the following logs, I might get a better idea what is going wrong

- server.log
- lams.log
- localhost_access_log.[date].log

If you could also sent the blackboard tomcat log that might help.

Are you sure you configured the blackboard server keys and lams server keys correctly? Did you copy the user data callback URL from the LAMS module properties page into the "maintain integrated servers" page in LAMS?

Thankyou,

Luke

Posted by Luke Foxton

By: Kiak Nam Norman Kee

[ Reply | Forward ]

Luke, Thanks for replying. The logs are zipped and can be obtained from the URL: http://espportal.sp.edu.sg/log/lams_log.zip

for your checking. I have double checked that the ID, secret key and the return url is the same on the Blackboard 7.3 building block as well as on the integrated server settings on the LAMSv2.04 server and tried again this morning but it failed. The recent log should contain the information.

Posted by Kiak Nam Norman Kee

By: Luke Foxton

[ Reply | Forward ]

Hi Norman,

I've had a look at your logs to see if there is anything in particular that could have caused the error.

> Message 1
> ERROR org.lamsfoundation.lams.web.session.SessionManager - Failed on finding current system session with null sessionId

This error does not disable lams in any way, it is common in normal LAMS logs, so you dont have to worry about it.

It seems from the logs that the bb31277 user is not getting authenticated. Have you tried logging in as sysadmin on the LAMS side to see if the user is being created from Blackboard? If its not created on the LAMS side it might narrow the cause of the problem down.

There are a few things that could have caused this problem:
- The integration is disabled on the LAMS side, I assume this isnt the problem.
- Have you had other integrations on the LAMS server you are using?
- The prefix used for the blackboard integration is also used by another integration

Sorry I could not find a difinitive answer yet. Could you also zip up the blackboard/logs directory and send it to me, and hopefully that might shed some light on what is going wrong.

Posted by Luke Foxton

By: Luke Foxton

[ Reply | Forward ]

Hi Norman,

Jun-Dir and I did some further testing and we found that this same problem arose when upper-case letters were used in the server secret key or server id.

Did you use upper-case letters for either of these? If so an easy fix for now is to simply use lower case until we can release a later version that fixes this problem.

Thankyou for bringing light to this problem,

Luke

Posted by Luke Foxton

By: Kiak Nam Norman Kee

[ Reply | Forward ]

Hi Luke,

Thanks. Yes, changing to lower case made it work.

Warm rgds,
Norman Kee

Posted by Kiak Nam Norman Kee

By: Fiona Malikoff

[ Reply | Forward ]

Good news for Blackboard 7.1 users!

We have a new version of the Blackboard integration plug-in available from the Downloads page.

The major fix in this release is Blackboard 7.1 support. A big thanks to the folks at Griffith University (Queensland, Australia) for all their help with finding problems and testing the release.

There are a number of other fixes, which are listed in the release note. So even if you have Blackboard 7.2 or 7.3 you should consider upgrading.

To upgrade, uninstall the old Building Block, install the new Building Block and re-enable LAMS in your courses.

We still don't know if it works on 7.0. There is more chance it will, now that it works on 7.1, but we don't have a 7.0 server to test it on. So if anyone out there has 7.0 and could test it for us we would appreciate it.

Fiona

Posted by Fiona Malikoff