Hi,
Thanks Matt for the detailed summary. I can confirm that there are two
problems right now with respect to the help files and Qt Assistant
executable:
1.) If a plug-in is recompiled and the Application starts, the updating
mechanism for the modified plug-ins is not working correctly. This leads
to (un)register errors of the qch files.
2.) On Linux, there seems to be a problem with "make package" and the Qt
Assistant executable if it is located in a non-system directory (if you
have compiled Qt yourself, instead of using the distribution packages).
We are working on resolving #1 and a fix #2 is being tested.
Thanks,
Sascha
On 01/25/2012 09:15 AM, Clarkson, Matt wrote:
Hi there people
If you have the time, it might be useful to step through the code in
QtAssistantUtil::CallQtAssistant
Currently, the error message is too vague, and often incorrect.
(see here
http://article.gmane.org/gmane.comp.lib.mitk.user/2643/match=qtassistantutil)
Also, it was recently reported
http://sourceforge.net/mailarchive/forum.php?thread_name=C152D53DC68C844999E8BF6C38A5AEEE12A0A4EF%40AMSPRD0104MB111.eurprd01.prod.exchangelabs.com&forum_name=mitk-users
<http://sourceforge.net/mailarchive/forum.php?thread_name=C152D53DC68C844999E8BF6C38A5AEEE12A0A4EF%40AMSPRD0104MB111.eurprd01.prod.exchangelabs.com&forum_name=mitk-users>
that for external projects, even though built with the standard
MITK-ProjectTemplate, the "make package" (unix) command does not
install Qt assistant into the bundle (as far as I can tell), as the
bundle does not verify due to assistant having external dependencies.
I believe it may work if you compile against a Qt that is installed in
a standard system location like /usr/lib and all the machines that you
install the bundle on have access to qt in the same place. However,
as it stands, it does not appear to produce an installable package.
Oh yes, and the reason I mention it is because if you are producing
an installable bundle, Qt assistant may be simply missing, and it
gives the same error message.
There is also a bug when a plugin is updated, and hence the .qch file
needs un-registering and re-registering:
http://article.gmane.org/gmane.comp.lib.mitk.user/2647/match=qtassistantutil
So, it would be useful if we can collect evidence, and see if there is
another problem, or a different problem, because as you say, it
doesn't look like permissions.
Matt
On 24 Jan 2012, at 21:57, Taylor Braun-Jones wrote:
I am having similar problems, but on Ubuntu 11.10. Running:
rm -r ~/.local/share/data/DKFZ/
~/dev/MITK-superbuild/MITK-build/bin/ExtApp
Gives multiple dialogs that I must click through:
Title: Help System Error
Message:
Registering one or more help files failed.
You may not have write permissions in <my home directory>
All the files exist and permissions are okay (owned by me and
user-writable)
Taylor
On Tue, Jan 24, 2012 at 2:15 PM, Miklos Espak <[email protected]
<mailto:[email protected]>> wrote:
Hi,
I built my external MITK project with VS2010. At the first run the
application gives error messages like this:
"Help System Error"
"Process failed to start: No such file or directory"
Probably one for every help module. The application starts then, but
the Help Contents menu does not do anything.
This works well with VS2008, so probably I configured something wrong
during the build with VS2010.
The qch files are there in the build directories.
Any idea?
Does it work for others with VS2010?
Thanks,
Miklos
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