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Unable to install addon on eclipse 2022-06 [message #1858227] Thu, 23 March 2023 15:47 Go to next message
Jacopo Fiore is currently offline Jacopo FioreFriend
Messages: 2
Registered: March 2023
Junior Member
Hi everybody,
whenever i try to install an addon on eclipse 2022-06 jee,
i get the error in the attached images
index.php/fa/43044/0/

index.php/fa/43045/0/

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Re: Unable to install addon on eclipse 2022-06 [message #1858241 is a reply to message #1858227] Fri, 24 March 2023 07:26 Go to previous messageGo to next message
Ed Merks is currently offline Ed MerksFriend
Messages: 33264
Registered: July 2009
Senior Member
Probably you are inside a corporate firewall that introduces certificates into the network traffic that are not rooted on a certificate in the JRE running the IDE.

Adding the two settings described here to the end of your eclipse.ini might fix the problem (though no one ever seems to come back to let us know whether or not that helps):

https://bugs.eclipse.org/bugs/show_bug.cgi?id=567504#c29

Ed Merks
Professional Support: https://www.macromodeling.com/

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Re: Unable to install addon on eclipse 2022-06 [message #1858246 is a reply to message #1858241] Fri, 24 March 2023 09:15 Go to previous messageGo to next message
Jacopo Fiore is currently offline Jacopo FioreFriend
Messages: 2
Registered: March 2023
Junior Member
it seems to have solved that problem but once I try the installation it gives me the following error:

"Artifact not found: http://downloads.genuitec.com/downloads/products/codetogether/updates/ct20230322/features/com.genuitec.eclipse.codetogether.client.feature_2023.1.0.202303212042.jar."

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Re: Unable to install addon on eclipse 2022-06 [message #1858248 is a reply to message #1858246] Fri, 24 March 2023 10:14 Go to previous messageGo to next message
Ed Merks is currently offline Ed MerksFriend
Messages: 33264
Registered: July 2009
Senior Member
Sometimes firewalls do a number of additional funky things, including scanning jars and taking so long to do so that it looks like a network timeout. Maybe repeated tries will eventually be able to download it...

Ed Merks
Professional Support: https://www.macromodeling.com/

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Re: Unable to install addon on eclipse 2022-06 [message #1858268 is a reply to message #1858248] Sun, 26 March 2023 00:09 Go to previous message
David M. Karr is currently offline David M. KarrFriend
Messages: 810
Registered: July 2009
Senior Member
As someone who has to deal with a corporate firewall, if I had gotten the error you describe, I would assume that the JVM running Eclipse didn't have the correct company-specific certificate installed in the cacerts file. If that was not the case, or you know nothing about this, the next thing to try is to try to turn off the VPN you use to connect to your corporate network (and turning off any proxy entries you have in Network Connections), and then try to install the plugin. Once it's all installed, you can reconnect to the network.

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