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<tt>These don't work too:<br>
<a class="moz-txt-link-freetext" href="http://claswebnew.jlab.org/cgi-bin/spin_rotation/magic_energies.pl">http://claswebnew.jlab.org/cgi-bin/spin_rotation/magic_energies.pl</a><br>
<a class="moz-txt-link-freetext" href="http://claswebnew.jlab.org/cgi-bin/spin_rotation/spin_rotation.pl">http://claswebnew.jlab.org/cgi-bin/spin_rotation/spin_rotation.pl</a><br>
<br>
-Eugene<br>
</tt><br>
On 01/06/11 09:12, Eugene Pasyuk wrote:
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<tt>Hi Marty,<br>
<br>
These two applications still don't show plots:<br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://claswebnew.jlab.org/cgi-bin/epics_history/epics.pl">http://claswebnew.jlab.org/cgi-bin/epics_history/epics.pl</a><br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://claswebnew.jlab.org/cgi-bin/ONLINE_TIMELINE/timeline_frames.pl">http://claswebnew.jlab.org/cgi-bin/ONLINE_TIMELINE/timeline_frames.pl</a><br>
<br>
I believe it is gnuplot issue.<br>
You managed to fix it in <br>
<a moz-do-not-send="true"
href="http://claswebnew.jlab.org/cgi-bin/HALL_ABC/top_frame-MEW.pl">http://claswebnew.jlab.org/cgi-bin/HALL_ABC/top_frame-MEW.pl</a><br>
It displays plots generated by gnuplot.<br>
Probably should be similar fix in those too.</tt><br>
<br>
-Eugene<br>
<br>
On 01/06/11 06:52, Marty Wise wrote:
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<p class="MsoNormal">All,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Using the Pezca-0.4 source package, I was
able to build and install it into our central /apps version
of perl without having to build or make any parts of the
EPICS distribution available to it. At runtime, the package
still needs access to a couple of EPICS shared libraries,
but this is easily arranged through LD_LIBRARY_PATH. The
bottom line is that I have a working example of this new
configuration. If you access the URL: <a
moz-do-not-send="true"
href="http://claswebnew.jlab.org/cgi-bin/HALL_ABC/top_frame-MEW.pl">http://claswebnew.jlab.org/cgi-bin/HALL_ABC/top_frame-MEW.pl</a>,
you’ll see an example of the configuration at work. This
page is a _<i>slighlty</i>_ modified version of the original
-- <a moz-do-not-send="true"
href="http://claswebnew.jlab.org/cgi-bin/HALL_ABC/top_frame.pl">http://claswebnew.jlab.org/cgi-bin/HALL_ABC/top_frame.pl</a>
which does not work.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">After building Pezca into /apps Perl, I
made a small modification to the top_frame-MEW.pl script
mentioned above. All I had to do was comment out the line: <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> #use lib
('/group/clas/www/clasweb/htbin/PERL_CPAN/lib/site_perl/5.6.0/i686-linux');<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This change removes the explicit
reference to the perl library installation down in
/group/clas/www/clasweb/… Since the script uses
/apps/bin/perl, it Is able to find the Pezca module in the
apps build.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">To address the runtime dependence on the
epics shlibs, I set LD_LIBRARY_PATH in the web server
configuration to include a temporary directory into which
I’ve placed the libca, libCom and libezca shared libraries.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This seems to work, though it’s hard to
be sure since I’m not very familiar with them.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The problem is that with the explicit
library reference, there is no way to fix this without
modifying all the scripts individually. You guys have a
number of scripts configured like this. Changing them now
will break them on the running clasweb. I can easily find
and fix most of these problems, but, I will need to do it as
part of the cutover.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">So… given these results, if nobody sees
any problem with these changes, can we plan to do the switch
to the new server today? I will need to have both the new
and old servers offline for an hour or two to make all the
necessary changes. Then, there will certainly still be other
problems that turn up afterward. These will need to be dealt
with as they are discovered. I think, however, that all the
major stuff that has been seen has been addressed.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I should also point out that reverting
back to the original server in the event of insurmountable
problems of some kind will require a similar 1-2 hour outage
to switch back. Personally, I hate to go back in general,
and in this case, RHEL3 (on the current clasweb) is obsolete
and no longer supported, and has been holding up a number of
projects you guys have asked for that require newer software
versions – e.g. newer MediaWiki, MantisBT, DocDB, etc.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">So, can I move forward with the switch?
If so, when is a good time?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Marty<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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