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Product Version = NetBeans IDE 8.0.1 (Build 201408251540) Operating System = Windows 7 version 6.1 running on amd64 Java; VM; Vendor = 1.8.0_20 Runtime = Java HotSpot(TM) 64-Bit Server VM 25.20-b23 When I want to create a new Java project with existing sources and set the folder that was used in other project, NB opens the dialog "Invalid Source Roots". NB tells me, that the package folder is used in another project, however it does not reveal, where the project is located. I was not able to find it and I am afraid that the project is already removed. However, it is no standard way, how to explain to NB, that the project does not exist more.
Created attachment 150493 [details] IDE log
This old bug may not be relevant anymore. If you can still reproduce it in 8.2 development builds please reopen this issue. Thanks for your cooperation, NetBeans IDE 8.2 Release Boss