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 7.0 Beta 2 (Build 201102140001) VM: Java HotSpot(TM) Client VM, 19.1-b02, Java(TM) SE Runtime Environment, 1.6.0_24-b07 OS: Windows XP Stacktrace: java.lang.NullPointerException at com.sun.java.swing.plaf.windows.WindowsTreeUI.ensureRowsAreVisible(WindowsTreeUI.java:74) at javax.swing.plaf.basic.BasicTreeUI.toggleExpandState(BasicTreeUI.java:2208) at javax.swing.plaf.basic.BasicTreeUI.handleExpandControlClick(BasicTreeUI.java:2191) at javax.swing.plaf.basic.BasicTreeUI.checkForClickInExpandControl(BasicTreeUI.java:2149) at javax.swing.plaf.basic.BasicTreeUI$Handler.handleSelection(BasicTreeUI.java:3511) at javax.swing.plaf.basic.BasicTreeUI$Handler.mousePressedDND(BasicTreeUI.java:3497)
Created attachment 108614 [details] stacktrace
*** This bug has been marked as a duplicate of bug 196273 ***