I have a couple of imported jars that have this error in Eclipse when the project builds:
[2011-04-08 16:31:48 - MokbeeAndroid] Dx warning: Ignoring InnerCla
This was causing me a lot of pain with the android-maven-plugin and other libraries that included commons-logging. It was blocking my build. What made it worse is that some libraries were included transitively, so simply using would not work. With a little hint from another post, I determined I could keep out the offending library altogether with something like this:
commons-logging
commons-logging
1.1.1
provided