It's a bug in the Java GTK look and feel, but see this post on the
NetBeans forum for a simple workaround -
http://forums.netbeans.org/post-127692.html#127692
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: openjdk-7 (Ubuntu)
Status: New = Confirmed
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https://bugs.launchpad.net/bugs/980715
Title:
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: openjdk-6 (Ubuntu)
Status: New = Confirmed
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https://bugs.launchpad.net/bugs/980715
Title:
** Also affects: openjdk-6 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/980715
Title:
Menu bar is illegible grey on grey with GTK look and feel
** Attachment added: An example of the problem
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/980715/+attachment/3058496/+files/screenshot4.png
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