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NetBeans IDE Dev (Build 070111) 1.6.0-rc; Java HotSpot(TM) Client VM 1.6.0-rc-b104 Linux version 2.6.18-1.2239_1.fc5.cubbi_suspend2 running on i386 en_US (nb); UTF-8 I get an error while I was editing InstanceNode
Created attachment 37290 [details] dump file
It happened to me when I changed new PropertySupport.ReadOnly to new PropertySupport.ReadOnly<String> on line 421.
*** This issue has been marked as a duplicate of 89072 ***