Working with firewalls and proxies

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Working with a Proxy Server

In Progress

Sometimes Protege will be running on a network that uses proxies to control access to the web (or something like that). These proxies interfere with all web access, including attempts to access ontologies from the web and attempts to get Protege updates. In this case, system administrators may tell you, for instance, that web browsers need to be configured to use the proxy. In Protege, this configuration can be applied to Protege. Such configurations involve setting the http.proxyHost and http.proxyPort jvm parameters. You will need to get the right proxy host and port information from your IT expert or by looking at the settings in your favorite (working) web browser. We include more detail below.

As a note to developers, it is possible, though it takes a bit of work, to test proxy configurations in a virtual network as described here.

Thanks to David Jordan for supplying this information.

Non-OS X Operating Systems

Edit the Protege.lax file with a text editor. The required information can be included at the bottom of the lax file:


#   OSGI.CLEAN
#   ----------
#   clean cached data used by the OSGi framework

osgi.clean=true

http.proxyHost=corporate proxy host
http.proxyPort=corporate proxy port

OS X

Editting the Info.plist

Navigate to the Protege 4 application in the finder and right click on the Protege 4 owl editor application. Select "Show Package Contents".

Show Package Contents

A new finder window will come up and in that window navigate to Contents and edit the Info.plist file in a text editor (alternatively you can use the os x plist editor by double-clicking if it is installed). Near the bottom of this file there are the lines

            <key>VMOptions</key>
            <array>
                <string>-Xms200M</string>
                <string>-Xmx200M</string>
                <string>-Dosgi.clean=true</string>
            </array>

Add the desired lines to this portion of the file

            <key>VMOptions</key>
            <array>
                <string>-Xms800M</string>
                <string>-Xmx800M</string>
                <string>-Dosgi.clean=true</string>
                <string>-Dhttp.proxyHost=corporate proxy host</string>
                <string>-Dhttp.proxyPort=corporate proxy port</string>
            </array>

Users with the zip file distribution

Edit the run.sh (or for windows users the run.bat) file and modify the -Xmx line:

java ${CMD_OPTIONS} -Xmx800M -Dosgi.clean=true  -Dhttp.proxyHost=corporate proxy host -Dhttp.proxyPort=corporate proxy port -jar org.eclipse.osgi.jar
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