Proguard errors with external jar - returns error code 1

Question

While exporting my Android Application, Proguard returned with error code 1. I am using twitter4j external jars in my app.

I already added library jars, rt.jar (For

Answer 1

One thing that worked for me was to reduce the "optimizationpasses" try 2.

Answer 2

Try adding the Packages which give warnings, this way:

-dontwarn com.google.code.**
-dontwarn oauth.signpost.**
-dontwarn twitter4j.**

For some reason if this didn't work try doing the same with Class and Interface Names, this way:

-dontwarn javax.management.**
-dontwarn javax.xml.**
-dontwarn org.apache.**
-dontwarn org.slf4j.**

to your Proguard config file.