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This bug was originally marked as duplicate of bug 219778, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.2 (Build 201609300101) VM: Java HotSpot(TM) 64-Bit Server VM, 25.121-b13, Java(TM) SE Runtime Environment, 1.8.0_121-b13 OS: Windows 7 User Comments: GUEST: Error while trying to reproduce https://netbeans.org/kb/docs/web/jsf20-crud.html After generating JSF pages from Entiticy Classes Stacktrace: java.lang.IllegalArgumentException: Incorrect number of type arguments at com.sun.tools.javac.model.JavacTypes.getDeclaredType0(JavacTypes.java:265) at com.sun.tools.javac.model.JavacTypes.getDeclaredType(JavacTypes.java:240) at org.netbeans.modules.j2ee.ejbcore.ejb.wizard.jpa.dao.EjbFacadeWizardIterator$3.run(EjbFacadeWizardIterator.java:459) at org.netbeans.modules.j2ee.ejbcore.ejb.wizard.jpa.dao.EjbFacadeWizardIterator$3.run(EjbFacadeWizardIterator.java:412) at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:636) at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:626)
Created attachment 163674 [details] stacktrace