This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.
Build: NetBeans IDE 7.3 Beta (Build 201209232010) VM: Java HotSpot(TM) 64-Bit Server VM, 20.10-b01-428, Java(TM) SE Runtime Environment, 1.6.0_35-b10-428-11M3811 OS: Mac OS X User Comments: ytn01: Opened an existing JFrame form file from a project, the form previously had 2 JButtons & 2 JLabels. Pressed ctrl+A, selecting all components & pressed "delete",... (this didn't delete anything because the base JFrame was also selected, and is undeletable) Selected the 2buttons & 2labels via mouse drag & pressed "delete" key,... they were deleted Dragged a JMenuBar from the pallete to area outside of the form (white space),.... MenuBar was added to "Other components" of the form Tried to drag the JMenuBar from "Other Components" area to the Form Designer,... nothing happened, Dragged the JMenuBar from "Other Components" area to the JFrame node of the Navigator window,... MenuBar become subnode of JFrame and exception got thrown. GUEST: Acabei de abrir o NETBEANS e ele fica consumindo muito processamento e rede, fica muito ruim trabalhar Stacktrace: java.lang.NullPointerException at javax.swing.plaf.basic.BasicTreeUI$Handler.handleSelection(BasicTreeUI.java:3504) at javax.swing.plaf.basic.BasicTreeUI$Handler.mouseReleasedDND(BasicTreeUI.java:3574) at javax.swing.plaf.basic.BasicTreeUI$Handler.mouseReleased(BasicTreeUI.java:3562) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
Created attachment 125059 [details] stacktrace
JDK bug fixed in JDK 7u4 *** This bug has been marked as a duplicate of bug 126170 ***