This bug was originally marked as duplicate of bug 179414, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related.
Build: NetBeans IDE 7.1 Beta (Build 201109252201)
VM: Java HotSpot(TM) 64-Bit Server VM, 21.1-b02, Java(TM) SE Runtime Environment, 1.7.0_01-b08
OS: Windows 7
xenopont: Copying text into Clipboard in another window.
java.io.IOException: system clipboard data unavailable
Created attachment 112526 [details]
obviously some third-part module doesn't handle clipboard events correctly:
Report against http://java.net/jira/browse/COPYPASTEHISTORY
I got this error on build 201209110001. See attachment.
Created attachment 124185 [details]
Created attachment 127117 [details]
changed focus back to NetBeans
Created attachment 127119 [details]
Created attachment 127271 [details]
pasting in excel
This bug already has 50 duplicates
Created attachment 136290 [details]
The Netbeans window was in the background. Copied something in Acrobat PDF which failed to copy and got this window popup in Netbeans. Netbeans was not brought to focus, still this error was shown