tx, seems to have resolved.

Yes, that strict mode. We are checking for memory leaks amongst other things. It is logging the following: D/StrictMode: StrictMode policy violation: android.os.strictmode.LeakedClosableViolation: A resource was acquired at attached stack trace but never released. See java.io.Closeable for informati...

I have StrictMode enabled in my Android project.
It is complaining about many sfs2x problems.
In particular, sfs2x.client.util.ByteArray the Deflater does not 'end' in 'compress' method, and Inflater does not 'end' in 'uncompress' method.