I found several references in the mailinglist archive about Xerces, but it is still not clear to me if it is possible use Xerces succesfully in Android. Could you please pro
Xerces extends the core library javax which leads to this problem in Android (mentioned by @Avi Cherry).
You can overcome this problem by repackaging the needed classes with a tool like JarJar. This has been done in the Xerces-for-Android, wherein the package mf is placed above the "normal" Xerces packages.