[LON-CAPA-users] weird error message: Only one <problem> allowed in a .problem file

James Sullivan lon-capa-users@mail.lon-capa.org
Thu, 2 Feb 2006 12:51:38 -0500


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Okay, this is a head scratcher:

 

I just received a couple of error messages (through COM as CC) with the
following message:

 

"Only one <problem> allowed in a .problem file"
 
from one particular student's record.
 
Okay, so my first thought is that I have inadvertently put an extra
"<problem>" tag in the xml for these two problems. A check of the source
code reveals that is _not_ the case. Hmmmm? The other thing is that this
error was only generated for one student (out of a class of about 200). The
student got the problem correct (confirmed via the CHRT as CC and by logging
in as the student).
 
So, what am I supposed to make of this error?
 
Best,
JMS

 

James M. Sullivan, Assistant Professor
jmsullivan@vcu.edu

Department of Physics                                    Virginia
Commonwealth University

tel: 804/828-6343
fax: 804/828-7073

 

1020 W. Main St.

PO BOX 842000

Richmond, VA 23284-2000

 

*

"If you can drive a nail, and if you have any nails to drive, drive them." 

          - H. D. Thoureau, 1850

* 

 


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<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
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<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Okay, this is a head =
scratcher:<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>I just received a couple of error messages (through =
COM as
CC) with the following message:<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<pre><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'>&#8220;</span></font>Only =
one &lt;problem&gt; allowed in a .problem =
file&#8221;<o:p></o:p></pre><pre><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt'><o:p>&nbsp;</o:p></span></font></pre><pre><fon=
t
size=3D2 face=3D"Courier New"><span style=3D'font-size:10.0pt'>from one =
particular student&#8217;s =
record.<o:p></o:p></span></font></pre><pre><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt'><o:p>&nbsp;</o:p></span></font></pre><pre><fon=
t
size=3D2 face=3D"Courier New"><span style=3D'font-size:10.0pt'>Okay, so =
my first thought is that I have inadvertently put an extra =
&#8220;&lt;problem&gt;&#8221; tag in the xml for these two problems. A =
check of the source code reveals that is _<i><span
style=3D'font-style:italic'>not</span></i>_ the case. Hmmmm? The other =
thing is that this error was only generated for one student (out of a =
class of about 200). The student got the problem correct (confirmed via =
the CHRT as CC and by logging in as the =
student).<o:p></o:p></span></font></pre><pre><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt'><o:p>&nbsp;</o:p></span></font></pre><pre><fon=
t
size=3D2 face=3D"Courier New"><span style=3D'font-size:10.0pt'>So, what =
am I supposed to make of this =
error?<o:p></o:p></span></font></pre><pre><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt'><o:p>&nbsp;</o:p></span></font></pre><pre><fon=
t
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt'>Best,<o:p></o:p></span></font></pre><pre><font=

size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt'>JMS<o:p></o:p></span></font></pre>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>James M. Sullivan, Assistant
Professor&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<a =
href=3D"mailto:jmsullivan@vcu.edu">jmsullivan@vcu.edu</a><o:p></o:p></spa=
n></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Department of
Physics&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<st1:place w:st=3D"on"><st1:PlaceName =
w:st=3D"on">Virginia</st1:PlaceName> <st1:PlaceName
 w:st=3D"on">Commonwealth</st1:PlaceName> <st1:PlaceType =
w:st=3D"on">University</st1:PlaceType></st1:place><o:p></o:p></span></fon=
t></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>tel:
804/828-6343&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
fax: 804/828-7073</span></font><o:p></o:p></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
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url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
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 =
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<font
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style=3D'font-size:10.0pt;font-family:Arial'> <st1:address
tabIndex=3D"0"
style=3D"BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: =
url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
w:st=3D"on"><st1:Street w:st=3D"on">BOX</st1:Street> =
842000</st1:address><o:p></o:p></span></font></p>

<p class=3DMsoNormal><st1:place w:st=3D"on"><st1:City w:st=3D"on"><font =
size=3D2
  face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'>Richmond</span></font></st1:=
City><font
 size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'>, <st1:State
 w:st=3D"on">VA</st1:State> <st1:PostalCode =
w:st=3D"on">23284-2000</st1:PostalCode></span></font></st1:place><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p=
>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>*<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&quot;If you can drive a nail, and if you have any =
nails to
drive, drive them.&quot; <o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
 - H.
D. Thoureau, 1850<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>*&nbsp;</span></font><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p=
>

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style=3D'font-size:
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