scala: error while loading Vector$1, class file 'C:\Program Files\Java\jdk1.7.0_21\jre\lib\rt.jar(java/util/Vector$1.class)' is broken
(class java.util.NoSuchElementException/key not found: E)
I am not using scala-swing, but I am using Swing components directly. My code compiles OK in Scala 2.9.3. I don't know how to find any useful log information. I have 80,000 LOC so it will be extremely difficult to narrow down where the problem is.