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

Jonathan Carter jonathan.carter at
Mon Nov 7 10:28:37 PST 2011

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 Carter 
Enterprise Architecture Solutions Ltd
Mobile: +44 (0) 7904 198295
Email: jonathan.carter at

Proud sponsors of The Essential Project
The free open-source Enterprise Architecture Management Platform

Enterprise Architecture Solutions Ltd, Registered in England and Wales: 04097721.
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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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> protege-discussion mailing list
> protege-discussion at
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