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<p class="MsoPlainText">Stuart,<o:p></o:p></p>
<p class="MsoPlainText"> When I'm in the course as a student and scrolling through the problems using the green arrows, I don't see a “Courses” link at the top right. My screen appears as shown below.<o:p></o:p></p>
<p class="MsoPlainText"> Would the “Courses” link appear if I actually had the "Course Map Undefined" error? I’ve not seen the error, just had it reported to me.<o:p></o:p></p>
<p class="MsoPlainText"> Thanks,<o:p></o:p></p>
<p class="MsoPlainText"> Joyce<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><img width="1005" height="157" id="Picture_x0020_1" src="cid:image001.png@01D10726.37CC69B0"><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">-----Original Message-----<br>
From: lon-capa-admin-bounces@mail.lon-capa.org [mailto:lon-capa-admin-bounces@mail.lon-capa.org] On Behalf Of Stuart Raeburn<br>
Sent: Wednesday, October 14, 2015 6:15 PM<br>
To: lon-capa-admin@mail.lon-capa.org<br>
Subject: Re: [LON-CAPA-admin] Course Map Undefined Error</p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Hi,<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">> The error message: 'Coursemap undefined' will be shown when a student
<o:p></o:p></p>
<p class="MsoPlainText">> attempts to display the Course Contents screen, when either or both of
<o:p></o:p></p>
<p class="MsoPlainText">> the following items:<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> map_start_/uploaded/purdue/<coursenum>/default.sequence<o:p></o:p></p>
<p class="MsoPlainText">> map_end_/uploaded/purdue/<coursenum>/default.sequence<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">A correction ...<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">The second item should be:<o:p></o:p></p>
<p class="MsoPlainText">map_finish_/uploaded/purdue/<coursenum>/default.sequence<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">>> "Course Map Undefined" error. They seem to have to log out and
<o:p></o:p></p>
<p class="MsoPlainText">>> login to get back to the problem.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><span style="background:yellow;mso-highlight:yellow">Clicking the "Courses" link at top right, and then pushing the "Re-select" button for the particular course should enable access once again to the particular problem, i.e., without
logout and re-login.</span><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Stuart Raeburn<o:p></o:p></p>
<p class="MsoPlainText">LON-CAPA Academic Consortium<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">> Hi Joyce,<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> The error message: 'Coursemap undefined' will be shown when a student
<o:p></o:p></p>
<p class="MsoPlainText">> attempts to display the Course Contents screen, when either or both of
<o:p></o:p></p>
<p class="MsoPlainText">> the following items:<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> map_start_/uploaded/purdue/<coursenum>/default.sequence<o:p></o:p></p>
<p class="MsoPlainText">> map_end_/uploaded/purdue/<coursenum>/default.sequence<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> are absent from the user's course session hash, found in the GDBM file:<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> /home/httpd/perl/tmp/<username>_<courseid>.db<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> where <courseid> is the LON-CAPA course ID, e.g.,<o:p></o:p></p>
<p class="MsoPlainText">> purdue_22608011029874510purduel1<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> On the command line you can use the script: <o:p></o:p></p>
<p class="MsoPlainText">> /home/httpd/perl/debug/dump_db.pl to view the contents of a GDBM file in LON-CAPA.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> The perl module which performs the page flip in response to a student
<o:p></o:p></p>
<p class="MsoPlainText">> pressing either the forward or backward green arrow is:<o:p></o:p></p>
<p class="MsoPlainText">> /home/httpd/lib/perl/Apache/lonpageflip.pm.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">>> It appears that when scrolling through problems using the Green
<o:p></o:p></p>
<p class="MsoPlainText">>> Arrow, the problem takes a long time to load.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> Is the issue always with the same problem? What resource is it? Is
<o:p></o:p></p>
<p class="MsoPlainText">> there discussion attached to the instance of the problem in the course?<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> If you are able to reproduce this error, what are the timestamps for
<o:p></o:p></p>
<p class="MsoPlainText">> the GDBM files:<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> /home/httpd/perl/tmp/<username>_<courseid>.db<o:p></o:p></p>
<p class="MsoPlainText">> /home/httpd/perl/tmp/<username>_<courseid>_parms.db<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> for your user session when this occurs? Were they recently created,
<o:p></o:p></p>
<p class="MsoPlainText">> for example because the course contents were updated by a Course
<o:p></o:p></p>
<p class="MsoPlainText">> Coordinator within the past 20 minutes?<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> Stuart Raeburn<o:p></o:p></p>
<p class="MsoPlainText">> LON-CAPA Academic Consortium<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> Quoting "Young, Joyce E" <<a href="mailto:young257@purdue.edu"><span style="color:windowtext;text-decoration:none">young257@purdue.edu</span></a>>:<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">>> We are having issues in one of our courses with students receiving
<o:p></o:p></p>
<p class="MsoPlainText">>> a "Course Map Undefined" error. It appears that when scrolling
<o:p></o:p></p>
<p class="MsoPlainText">>> through problems using the Green Arrow, the problem takes a long
<o:p></o:p></p>
<p class="MsoPlainText">>> time to load. The students then go to Course Contents to try to
<o:p></o:p></p>
<p class="MsoPlainText">>> access the problem in a different fashion, and then they get the
<o:p></o:p></p>
<p class="MsoPlainText">>> "Course Map Undefined" error. They seem to have to log out and
<o:p></o:p></p>
<p class="MsoPlainText">>> login to get back to the problem.<o:p></o:p></p>
<p class="MsoPlainText">>> If they refresh the page instead of clicking on Contents, it gives
<o:p></o:p></p>
<p class="MsoPlainText">>> them "End of Sequence". Since they are not done, they still have
<o:p></o:p></p>
<p class="MsoPlainText">>> to click on Contents, which gives them the "Course Map Undefined"
<o:p></o:p></p>
<p class="MsoPlainText">>> error.<o:p></o:p></p>
<p class="MsoPlainText">>> Please advise.<o:p></o:p></p>
<p class="MsoPlainText">>>
<o:p></o:p></p>
<p class="MsoPlainText">>> Thanks,<o:p></o:p></p>
<p class="MsoPlainText">>>
<o:p></o:p></p>
<p class="MsoPlainText">>> Joyce Young<o:p></o:p></p>
<p class="MsoPlainText">>><o:p> </o:p></p>
<p class="MsoPlainText">>> Joyce Young<o:p></o:p></p>
<p class="MsoPlainText">>> Programmer/Analyst<o:p></o:p></p>
<p class="MsoPlainText">>> ITAS - Student Systems Competency Center Purdue University<o:p></o:p></p>
<p class="MsoPlainText">>> 3495 Kent Avenue, Suite 100<o:p></o:p></p>
<p class="MsoPlainText">>> West Lafayette, IN 47906<o:p></o:p></p>
<p class="MsoPlainText">>> Phone: (765) 427-6340<o:p></o:p></p>
<p class="MsoPlainText">>> Fax: (765) 464-2233<o:p></o:p></p>
<p class="MsoPlainText">>> Campus Mail: ROSS<o:p></o:p></p>
<p class="MsoPlainText">>> <a href="mailto:young257@purdue.edu%3cmailto:young257@purdue.edu">
<span style="color:windowtext;text-decoration:none">young257@purdue.edu<mailto:young257@purdue.edu</span></a>><o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> _______________________________________________<o:p></o:p></p>
<p class="MsoPlainText">> LON-CAPA-admin mailing list<o:p></o:p></p>
<p class="MsoPlainText">> <a href="mailto:LON-CAPA-admin@mail.lon-capa.org"><span style="color:windowtext;text-decoration:none">LON-CAPA-admin@mail.lon-capa.org</span></a><o:p></o:p></p>
<p class="MsoPlainText">> <a href="http://mail.lon-capa.org/mailman/listinfo/lon-capa-admin">
<span style="color:windowtext;text-decoration:none">http://mail.lon-capa.org/mailman/listinfo/lon-capa-admin</span></a><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">_______________________________________________<o:p></o:p></p>
<p class="MsoPlainText">LON-CAPA-admin mailing list<o:p></o:p></p>
<p class="MsoPlainText"><a href="mailto:LON-CAPA-admin@mail.lon-capa.org"><span style="color:windowtext;text-decoration:none">LON-CAPA-admin@mail.lon-capa.org</span></a><o:p></o:p></p>
<p class="MsoPlainText"><a href="http://mail.lon-capa.org/mailman/listinfo/lon-capa-admin"><span style="color:windowtext;text-decoration:none">http://mail.lon-capa.org/mailman/listinfo/lon-capa-admin</span></a><o:p></o:p></p>
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