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Every now and then, I get this error in one of my Eclipse projects:
Faceted project metadata file "/project/.settings/org.eclipse.wst.common.project.facet.core.xml" could not be read.
This is a team project using Git. The ".settings" directory does not exist at all.
I'm not sure what project "facets" in Eclipse really are. Does anyone know what this error means or how to fix it?
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Could not open resource metadata file - no such file, what can i do? how could i fix the error? Your resource is too old and has not been updated to work with newer artifacts. Update your resource by converting __resource.lua into fxmanifest.lua.
The project facets should be derived automagically by the M2Eclipse plugin from the POM configuration. If you make some changes to the POM and need Eclipse to take them into account, right-click on your project, then go to Maven > Update Project Configuration. You should not set project facets manually.
All the required meta-data are in the POM: JDK level version, Servlet API, etc. Developers don't have to set this manually after an import or any other POM update, which is a good thing. This applies also to the maven-eclipse-plugin (that generates the facet based on the POM meta-data).
1- Manually make sure the two versions match. - Select the right compiler level in the provided dialog and click 'Finish'. Taken from Eclipse: Java compiler level and project facet mismatch Also gives location of where you can access the Java compiler and facet version.
Right click the project in eclipse and go to Project Facets and change the java or the corresponding Project Facets to the version that it was developed.
Right click the project folder --> Properties --> Project Facets --> Change java version or tick the required module choosing the version.
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I resolved it this time by re-importing the Maven project. This recreated the .settings directory and eliminated the error.
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I resolved it this time with Right click --> Project --> Properties --> Target Runtimes --> tick the required runtime. In my case no runtime was selected.
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