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Tried to run build #2009-02-04_02-32-26. When I execute the ./netbeans command the following message appears and the IDE doesn't start: Cannot read cluster file: ./../etc/netbeans.clusters
I think this got fixed recently: 83fa3d9527d2
*** Issue 157883 has been marked as a duplicate of this issue. ***
As Jesse wrote, it's been already fixed.
v.