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[protege-discussion] Very slow project load in Protege client from Protege server

Timothy Redmond tredmond at
Mon Nov 7 10:45:23 PST 2011

I would add that this issue only turns up when the forms customization 
is quite large leading to a very large .pprj project to be transferred 
to the client.  We have known for a long time that the initialization of 
the forms and other .pprj customization on the client is very slow.  
Most of the startup time for the Protege client connecting to the server 
is consumed by getting the forms customizations.

I have not started work on this though there is a gforge so this isn't 
going away.  So this is also a useful reminder to me to take a look at 
this and see if I can make a more efficient version.


On 11/07/2011 10:28 AM, Jonathan Carter wrote:
> Hi Adam,
> Tania and Timothy in the Protege Team have replicated the problem, 
> know the cause (the initial download of the selected Protege project 
> from the server to the client) and identified a solution, which is 
> hopefully being coded up.
> In the meantime, at The Essential Project, we are recommending that 
> you use Protege 3.4.4, which will connect to the server in an 
> acceptable timeframe.
> You can install Protege 3.4.4 alongside your existing 3.4.6/3.4.7 
> install and this can then open the existing PPRJ files that you have 
> created - including the metaproject.pprj and the Essential Repository 
> PPRJ file. However, remember to copy your JDBC drivers into the 3.4.4 
> install and also to install the Essential Widgets in the 3.4.4 
> installation. Once you've done that, your new Protege 3.4.4 server 
> will pick up your existing project(s).
> I appreciate this is off-topic for most of the Protege community, so 
> if you have any questions or problems with this approach, Adam, please 
> feel free to post them on the Essential Project forum.
> Hope this helps
> Jonathan
> _______________________________________
> Jonathan Carter
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> On 7 Nov 2011, at 17:30, Adam Griffiths wrote:
>> Hi Tania, Jonathan,
>> Did you ever resolve this? I have exactly the same problem, using a 
>> project
>> built on the excellent essential project 
>> I have created a project and an annotations project. Converted them 
>> both to
>> MySQL and hosted them on a Protege server. Now my protege client 
>> takes four or
>> five minutes to open it.
>> I would really appreciate any tips.
>> Thanks
>> Adam
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