Entity mapping @ManyToMany fails on inherited class. (Sun Java System Application Server Platform Edition 9 Release Notes)

Sun Java System Application Server Platform Edition 9 Release Notes

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Entity mapping `@ManyToMany` fails on inherited class.

For more information, see https://glassfish.dev.java.net/issues/show_bug.cgi?id=578.

Solution

Do not use ManyToMany relationship in a subclass.

Previous: You cannot list MappedSuperclass explicitly using class element in persistence.xml.
Next: Using List<> for a relationship causes StringIndexOutOfBoundException in MetadataHelper.getAttributeNameFromMethodName.

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