Eclipse: JPA problem: Eclipse does not recognize content of persistence.xml

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Link:

http://stackoverflow.com/questions/3701901/eclipse-does-not-recognize-content-of-persistence-xml

引用：

I fixed the problem the following way (I‘m using RAD v8.5.1):

. Windows --> Preferences --> Validation

. Scroll down to "JPA Validator" and click on the Ellipses under Settings.

. Click on the "Add Include Group..." button.

. Click on the new Include Group that appeared to highlight it.

. Click on the "Add Rule..." button.

. A dialog menu pops up. Click the "Folder or file name" radio button and click on "Next".

. Click on "Browse Folder..." and navigate to your src directory (in my case, it was "src/main/resources") within your project (my project was a .war in a multi module app) in your workspace.

. Click on "Finish".

. Click on "OK". This will prompt a full build.

The error will go away.

Eclipse: JPA problem: Eclipse does not recognize content of persistence.xml