ProGuard Cannot Find Referenced Libraries

Question

[2014-07-15 23:57:43 - MozMeet] Proguard returned with error code 1. See console
[2014-07-15 23:57:43 - MozMeet] Note: there were 662 duplicate class definitions.
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Answer 1

Made a few changes to proguard-project.txt file (if you have more than one module in your project - put it in the module which calls the *.jar file you are getting warned about):

-keepattributes SourceFile,LineNumberTable
-keep class com.parse.*{ *; }
-dontwarn com.parse.**
-dontwarn com.squareup.picasso.**
-keepclasseswithmembernames class * {
    native <methods>;
}  

The -dontwarn lines were needed. Basically what they tell ProGuard is that these jars work fine on their own so don't complain when you cannot find the classes they reference.