android – ProGuard error can't find superclass or interface org.apache.http.entity-ThrowExceptions

Exception or error:

I get always with ProGuard following error:

[2012-05-19 17:50:13 - xxx] Warning: there were 13 unresolved references to      program class members.
[2012-05-19 17:50:13 - xxx]          Your input classes appear to be     inconsistent.
[2012-05-19 17:50:13 - xxx]          You may need to recompile them and try again.
[2012-05-19 17:50:13 - xxx]          Alternatively, you may have to specify the option 
[2012-05-19 17:50:13 - xxx]          '-dontskipnonpubliclibraryclassmembers'.
[2012-05-19 17:50:13 - xxx] Error: Please correct the above warnings first.
[2012-05-19 17:55:40 - xxx] Proguard returned with error code 1. See console
[2012-05-19 17:55:40 - xxx] Note: there were 239 duplicate class definitions.
[2012-05-19 17:55:40 - xxx] Warning: org.apache.http.entity.mime.FormBodyPart:    can't find superclass or interface org.apache.james.mime4j.message.BodyPart
[2012-05-19 17:55:40 - xxx] Warning: org.apache.http.entity.mime.HttpMultipart: can't find superclass or interface org.apache.james.mime4j.message.Multipart
[2012-05-19 17:55:40 - xxx] Warning: org.apache.http.entity.mime.MinimalField: can't find superclass or interface org.apache.james.mime4j.parser.Field

My proguard.cfg file is:

-keep class android.support.v4.app.** { *; }
-keep interface android.support.v4.app.** { *; }
-keep class com.actionbarsherlock.** { *; }
-keep interface com.actionbarsherlock.** { *; }

-keepattributes *Annotation*
-keepattributes SourceFile, LineNumberTable

-libraryjars /libs/crittercism_v2_0_1.jar
-libraryjars /libs/dropbox-android-sdk-1.2.2.jar
-libraryjars /libs/FlurryAgent.jar
-libraryjars /libs/httpmime-4.0.3.jar
-libraryjars /libs/json_simple-1.1.jar

I’ve already added all my external libs so why am I getting always these errors?
Can anybody help?

EDIT 21.05.2012:
The problem is if you add “Dropbox” jar AND “ActionBarSherlock”.
If I add only “Dropbox”, I have no problem.
If I add only “ActionBarSherlock”, I have no problem.
But if I added both, I would get the errors above.

How to solve:

The problem exists if you have added “ActionBarSherlock” and “DropBox” jars to your project.
To solve the problem, add the below line to your proguard-project.txt file:

-dontwarn org.apache.**

The warning will be ignored and it will work because each of the jars alone are working.
So I think, this will be the bug in ProGuard, if both are added.

###

Possibly you need to :

-keep class org.apache.http.**

-keep interface org.apache.http.**

That is assuming of course ProGuard is complaining about the apache classes. Admittedly I am guessing somewhat as I’m no expert on ProGuard.

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