[news.eclipse.tools.jdt] .jar in lib folder not visible, no filter set

["Lars Vogel" <Lars.Vogel@xxxxxxxxx>]

Hi,

I have a folder in my eclipse project called lib which contains one file 
"derby.jar". I use the derby.jar in my project / build path. What I don't 
understand is why this file is not visible in the package explorer. The 
folder is visible but not the file "derby.jar".

I did:

1.) Refresh the folder lib several times
2.) Unflag all filter in the package explorer
3.) Did check that the file exists

Any advice?

Best regards, Lars