Description of problem:

The JBoss Tools plugin is causing the following error when refreshing or importing a project with the Java nature configured.

An internal error occurred during: "refresh".

class org.eclipse.jdt.internal.core.JavaNature cannot be cast to class org.eclipse.jdt.core.IJavaProject (org.eclipse.jdt.internal.core.JavaNature and org.eclipse.jdt.core.IJavaProject are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @79bccbff)

Prerequisites (if any, like setup, operators/versions):

Install base 2024-09 then use the Eclipse marketplace to install the Subclipse and Jboss Tools plugins.

Steps to Reproduce

Import a java project that has the Java nature configured.

Actual results:

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An internal error occurred during: "refresh".

class org.eclipse.jdt.internal.core.JavaNature cannot be cast to class org.eclipse.jdt.core.IJavaProject (org.eclipse.jdt.internal.core.JavaNature and org.eclipse.jdt.core.IJavaProject are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @79bccbff)

Expected results:

the project should be refreshed/imported OK.

Reproducibility (Always/Intermittent/Only Once):

Always on a clean install starting with 2024-03 through 2024-09 

Acceptance criteria: 

The project should import or refresh OK

Definition of Done:

Build Details:

Additional info (Such as Logs, Screenshots, etc):

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