http://gwt-code-reviews.appspot.com/1412801/diff/1/dev/core/src/com/google/gwt/dev/javac/PersistentUnitCache.java File dev/core/src/com/google/gwt/dev/javac/PersistentUnitCache.java (right):
http://gwt-code-reviews.appspot.com/1412801/diff/1/dev/core/src/com/google/gwt/dev/javac/PersistentUnitCache.java#newcode493 dev/core/src/com/google/gwt/dev/javac/PersistentUnitCache.java:493: cacheFile.delete(); Don't you need this same behavior for IOException? The original deserilization exception you were seeing was an InvalidClassException, which is a subclass of IOException. http://gwt-code-reviews.appspot.com/1412801/ -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
