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Build Identifier: Version: 3.7.1 Build id: M20110909-1335 Opening a JFrame Window i got the error in the attachment, i have the latest version in the integration update site . Reproducible: Always
Created attachment 210462 [details] WindowBuilder generated error report
I think you have a component that is not used (not added to a container). Would be helpful if you attach a small, self-contained test case. !ENTRY org.eclipse.wb.core 4 4 !MESSAGE Designer [1.3.0.r37x201201312225.201202021714]: The component has not been added to the container. !STACK 0 java.lang.NullPointerException: The component has not been added to the container. at com.jgoodies.forms.layout.FormLayout.getConstraints0(FormLayout.java:806) at com.jgoodies.forms.layout.FormLayout.getConstraints(FormLayout.java:796) at org.eclipse.wb.internal.swing.FormLayout.model.CellConstraintsSupport.<init>(CellConstraintsSupport.java:115) at org.eclipse.wb.internal.swing.FormLayout.model.FormLayoutInfo.getConstraints(FormLayoutInfo.java:256) at org.eclipse.wb.internal.swing.FormLayout.model.FormLayoutInfo$3.invoke(FormLayoutInfo.java:153)
BorderLayout.SOUTH is invalid constraint for com.jgoodies.forms.layout.FormLayout.FormLayout
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