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[mat-dev] Importing MAT Source
  • From: KEVIN GRIGORENKO <kevin.grigorenko@xxxxxxxxxx>
  • Date: Wed, 29 Jan 2025 18:29:34 +0000
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  • Thread-topic: Importing MAT Source

There are two ways to import MAT source into Eclipse:

 

1. Import } General } Existing Projects into Workspace

2. Import } Maven } Existing Maven Projects

 

The former works because we check in Eclipse .project, .classpath, and .settings files/directories into the source tree.

 

Using either method with a fresh Eclipse 2024-12 for Eclipse Committers IDE causes hundreds of exceptions of the form:

 

Access restriction: The [...] is not API (restriction on required library '[...]/org.hamcrest_3.0.0.jar')

 

This can be resolved by going into workspace or project preferences and changing "Forbidden reference (access rules)" to "Warning" under Java Compiler } Errors/Warnings

 

From my understanding, it's generally no longer recommended to check in Eclipse .project/.classpath/.settings files/folders into the source tree and instead to import using Existing Maven Projects and let the M2Eclipse plugin handle the Eclipse projects/settings; however, I can't find any way to tell M2Eclipse in pom.xml files to automatically set "Forbidden reference" to "Warning".

 

So it seems to me there are two options:

 

A. Change the "Forbidden reference" setting in the checked-in Eclipse settings and discourage using Import } Existing Maven Projects in the Contributor Reference, or

B. Remove all checked-in Eclipse settings from the source tree, discourage using Import } Existing Projects into Workspace in the Contributor Reference, and add a step in the Contributor Reference to change the "Forbidden reference" setting.

 

Any preferences? I lean towards A out of inertia.

 

-- 

Kevin Grigorenko

Application Runtimes SWAT, IBM Software Support

 

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