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[protege-discussion] Randomly no displayslots in Protege Client-Server-Mode until server restart.

Timothy Redmond tredmond at stanford.edu
Thu Nov 4 13:08:33 PDT 2010


If it wasn't clear from my previous message - I will investigate this.  
The 2-3 weeks apart is an indicator that this will be a bit tricky to 
find but perhaps there aren't too many places to look.

-Timothy



On 11/04/2010 06:35 AM, Hanno Wunderlich wrote:
> Hi,
>
> i want to re-push my problem, as nobody has replied yet.
>
> We are now observing this problem 2-3 times a week. As the only 
> workaround is to restart the server (which needs all users to log off 
> and have a ~20 minutes break) we really need a fix for that.
>
> So again, what would be the best way to track down what is happening 
> on the server when loading the display slots.
>
> Regards,
> Hanno Wunderlich
>
> PS: Is there any bug-tracker where Bugs for Protege are filed?
> PPS: Where would be the best place to post suggestions for new 
> features for Protege?
>
> On Tue, Oct 5, 2010 at 12:14 PM, Hanno Wunderlich 
> <hannowun at googlemail.com <mailto:hannowun at googlemail.com>> wrote:
>
>     Hi,
>
>     we are using Protege Frames (3.4) in Client-Server-Mode with
>     following project setup:
>
>     Project A : Contains only Classes and Slots and formular
>     informations (including displayslots)
>     Project B: Includes project A, contains some instances
>     Project C: Includes project A, contains some instances, contains
>     own formular informations (including displayslots)
>     Project D: Includes project C, contains some instance, contains
>     own formular informations for two classes
>
>     Project B,C,D are hosted on our Protege server. All projects were
>     stored in clips files.
>
>     Durinig usage of theese projects we are randomly observing that
>     clients connecting to a project can load and view it, but the
>     defined display slots are missing (the default display slot
>     ...Instance_XXXXXXX is used). After observing this problem and
>     reconnecting to the same project (even from another client) the
>     display slots are still wrong. The only thing, that solves the
>     problem is restarting the server.
>
>     The interesting thing is, that if the display slots for project C
>     were wrong that does not mean that they are also wrong when
>     connecting to project B or D.
>
>     As multiple users are accessing the different projects at the same
>     time we can't always restart the server if one project shows the
>     wrong display slots.
>
>     Is there a way to track down, why this is happening? E.g. what
>     logging.properties should be used.
>
>     Or is there a way to reload only one particular project (or its
>     display slots) on the server, so that all other users can continue
>     their work?
>
>     Regards,
>
>     Hanno Wunderlich
>
>     PS: Only the display slots seem to be affected. The forms are
>     always loaded as expected.
>
>
>
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