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Home » Eclipse Projects » Sirius » Sirius 5->6: Unknown protocol "java" for semanticResources(Oxygen + Sirius 5.1.1.201801311428 -> Photon + Sirius 6.1.2.201902150923 )

Sirius 5->6: Unknown protocol "java" for semanticResources [message #1807114]

Wed, 22 May 2019 17:45

Eclipse User

I have some code, models, and representation files I built using Eclipse Oxygen and Sirius 5.1.1.201801311428. I am trying to migrate my project to Eclipse Photon which has Sirius 6.1.2.201902150923 installed. From Photon, when I launch my subordinate Eclipse Application to play with my diagram editors, I get a long stream of error messages in the development Eclipse console saying:

"MESSAGE java.net.MalformedURLException: unknown protocol: java"

When I look in my Model.aird, sure enough there are a ton of lines that look like <semanticResources>java:/Objects/org.eclipse.emf.ecore.util.Switch</semanticResources> for a ton of different classes.

- Is this a known migration problem?

- Is this something I specifically did in my model (I don't remember and/or didn't know I was embedding object class references in some weird java protocol)?

- Is there a fix?

Thanks for any help.

Re: Sirius 5->6: Unknown protocol "java" for semanticResources [message #1807125 is a reply to message #1807114]

Thu, 23 May 2019 04:43

Eclipse User

Hi,

Are you using Xtext with Sirius?

Regards,

Re: Sirius 5->6: Unknown protocol "java" for semanticResources [message #1807136 is a reply to message #1807125]

Thu, 23 May 2019 08:20

Eclipse User

I am using Sirius along with a suite of other tooling, though I don't believe I was explicitly using Xtext in the constellation of projects that I'm trying to load here (e.g., we have started using Xtext to define a little template language in another related project that will end up creating and manipulating the same underlying models of concern here). The configuration for which I was running into this problem did not include that project, but did include a project that uses Epsilon extensively, and we're also using Xcore to define all our models.

When I open up the "Plug-in Dependencies" of the base modeling project, I do see a reference to org.eclipse.xtext.xbase.lib_2.12.0.v20170518-0757.jar

Re: Sirius 5->6: Unknown protocol "java" for semanticResources [message #1807140 is a reply to message #1807136]

Thu, 23 May 2019 09:51

Eclipse User

I don't really know what happened but I don't think it has anything to do with migration. I would bet on an unexpected interaction with xcore/xtext/xbase functionalities and Sirius.

If for you java:/Objects/org.eclipse.emf.ecore.util.Switch has nothing to do with a semantic model you are using in your Sirius projects as it seems to me, then just remove all these "semantic resources" from the aird and try to load it.

Regards,

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