Exception in the metamodel population when raw types are used in collections

I've avoided the exception. For a complete fix, has to be answered.

The original exception is
java.lang.ClassCastException: java.lang.Class cannot be cast to java.lang.reflect.ParameterizedType
at org.hibernate.ejb.metamodel.AttributeFactory.getSignatureType(AttributeFactory.java:850)
at org.hibernate.ejb.metamodel.AttributeFactory$PluralAttributeMetadataImpl.<init>(AttributeFactory.java:735)
at org.hibernate.ejb.metamodel.AttributeFactory$PluralAttributeMetadataImpl.<init>(AttributeFactory.java:712)
at org.hibernate.ejb.metamodel.AttributeFactory.determineAttributeMetadata(AttributeFactory.java:507)
at org.hibernate.ejb.metamodel.AttributeFactory.buildAttribute(AttributeFactory.java:84)
at org.hibernate.ejb.metamodel.MetadataContext.wrapUp(MetadataContext.java:177)
at org.hibernate.ejb.metamodel.MetamodelImpl.buildMetamodel(MetamodelImpl.java:66)
at org.hibernate.ejb.EntityManagerFactoryImpl.<init>(EntityManagerFactoryImpl.java:79)
at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:769)
at org.hibernate.ejb.Ejb3Configuration.createEntityManagerFactory(Ejb3Configuration.java:746)
at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:94)
at org.hibernate.ejb.test.TestCase.setUp(TestCase.java:62)
at org.hibernate.ejb.test.TestCase.runBare(TestCase.java:181)
at com.intellij.junit3.JUnit3IdeaTestRunner.doRun(JUnit3IdeaTestRunner.java:108)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:60)

Bulk closing stale resolved issues