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I have removed two JAR files from the lib folder of my web application. Now, NB correctly shows that there are missing references. Then I open the project's properties window and go to Libraries. I scroll to the position in the JAR files list where the missing JAR files are supposed to be. As a result, I either get (sometimes) the first screenshot or the second screenshot. The situation on the second screenshot also appears when I scroll "around" a bit when having situation of the first screenshot. (Using NB 7.2RC1 with JDK 7u5 on Lion)
Created attachment 120938 [details] broken-broken-reference-display-one
Created attachment 120939 [details] broken-broken-reference-display-two
reassigning to projects/ant as the generic ui doesn't contain libraries panel in project customerizer. However from a quick glance at the screenshots, it's likely that at least partly jdk rendering is at fault. (adding saubrecht on CC just in case we already have it filed against the window system)
It looks like HTML is being used to render part of the text in red color. The side effect is that longer text is being wrapped into multiple lines. Replacing all space chars with might help.
fixed recently by tzezula in issue 230265 *** This bug has been marked as a duplicate of bug 230265 ***