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This bug was originally marked as duplicate of bug 145273, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE Dev (Build 201303042300) VM: Java HotSpot(TM) Client VM, 20.12-b01, Java(TM) SE Runtime Environment, 1.6.0_37-b06 OS: Windows 7 Stacktrace: java.lang.NullPointerException at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPHelper.buildBeans(RelatedCMPHelper.java:329) at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard.createBeans(RelatedCMPWizard.java:392) at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard.access$000(RelatedCMPWizard.java:86) at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard$1.run(RelatedCMPWizard.java:293) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2044)
Created attachment 132390 [details] stacktrace
Can you reproduce the issue? Do you have any steps? Wizard should be blocked if there is no sources, I can't reproduce the issue yet.
>P4 before getting more information
This old bug may not be relevant anymore. If you can still reproduce it in 8.2 development builds please reopen this issue. Thanks for your cooperation, NetBeans IDE 8.2 Release Boss