I have the exact same problem in my application regarding another library.

Proguard cache is not so easy to manage.

On Wednesday, November 27, 2013 1:48:59 PM UTC+1, Charles Monge wrote:
>
> Hi,
>
> This is a copy of a github issue posted there : 
> https://github.com/pfn/android-sdk-plugin/issues/29 so may be some people 
> from this forum may help...
>
> -------------------------------------
>
> Hi,
>
> I have another issue with your plugin. This time it's about the proguard 
> cache.
>
> I have added play-json to replace GSon which doesn't work well with Scala 
> case class.
>
> For that purpose, I added official typesafe rep, the dependency in the sbt 
> file, and of course an entry in the proguardCache.
>
> The first compilation is good, and works well.
>
> The second compilation I always crash with that error message:
> ```
> [error] Error Code:
> [error] 1
> [error] Output:
> [error] 
> [error] UNEXPECTED TOP-LEVEL EXCEPTION:
> [error] java.lang.IllegalArgumentException: already added: 
> Lplay/api/libs/json/JsSuccess$;
> [error] at 
> com.android.dx.dex.file.ClassDefsSection.add(ClassDefsSection.java:122)
> [error] at com.android.dx.dex.file.DexFile.add(DexFile.java:161)
> [error] at com.android.dx.command.dexer.Main.processClass(Main.java:685)
> [error] at 
> com.android.dx.command.dexer.Main.processFileBytes(Main.java:634)
> [error] at com.android.dx.command.dexer.Main.access$600(Main.java:78)
> [error] at 
> com.android.dx.command.dexer.Main$1.processFileBytes(Main.java:572)
> [error] at 
> com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:284)
> [error] at 
> com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:166)
> [error] at 
> com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:144)
> [error] at com.android.dx.command.dexer.Main.processOne(Main.java:596)
> [error] at 
> com.android.dx.command.dexer.Main.processAllFiles(Main.java:498)
> [error] at com.android.dx.command.dexer.Main.runMonoDex(Main.java:264)
> [error] at com.android.dx.command.dexer.Main.run(Main.java:230)
> [error] at com.android.dx.command.dexer.Main.main(Main.java:199)
> [error] at com.android.dx.command.Main.main(Main.java:103)
> [error] 1 error; aborting
> [error] Total time: 16 s, completed 27 nov. 2013 13:37:37
> [info] Set current project to OBackup (in build 
> file:/home/geantvert/workspace/obackup_scala/)
> ```
>
> I need to clean to make it work, any idea?
>
> Regards
>
> My SBT file:
> ```
> ...
> libraryDependencies ++= Seq (
>   "org.scaloid" %% "scaloid" % "latest.integration",
>   "com.netflix.rxjava" % "rxjava-core" % "latest.integration",
>   "com.netflix.rxjava" % "rxjava-scala" % "latest.integration" 
> intransitive(),
>   "com.netflix.rxjava" % "rxjava-android" % "latest.integration" 
> intransitive(),
>   "com.android.support" % "support-v4" % "19.0.0",
>   "com.google.code.gson" % "gson" % "latest.integration",
>   "org.joda" % "joda-convert" % "1.5" intransitive(),
>   "joda-time" % "joda-time" % "2.3",
>   "com.googlecode.json-simple" % "json-simple" % "1.1" intransitive(),
>   "de.keyboardsurfer.android.widget" % "crouton" % "latest.integration" 
> intransitive(),
>   "com.bugsense.trace" % "bugsense" % "3.5",
>   "com.google.android.gms" % "play-services" % "latest.integration" 
> intransitive(),
>   "com.google.apis" % "google-api-services-drive" % "latest.integration" 
> intransitive(),
>   "com.google.api-client" % "google-api-client" % "latest.integration" 
> intransitive(),
>   "com.google.api-client" % "google-api-client-android" % 
> "latest.integration"  intransitive(),
>   "com.google.http-client" % "google-http-client-jackson" % 
> "latest.integration" intransitive(),
>   "com.google.http-client" % "google-http-client-gson" % 
> "latest.integration" intransitive(),
>   "com.typesafe.play" %% "play-json" % "2.2.0"
> )
> ...
> proguardCache in Android ++= Seq (
>   ProguardCache("org.scaloid") % "org.scaloid" %% "scaloid",
>   ProguardCache("rx") % "com.netflix.rxjava" %% "rxjava-core",
>   ProguardCache("rx") % "com.netflix.rxjava" %% "rxjava-scala",
>   ProguardCache("rx") % "com.netflix.rxjava" %% "rxjava-android",
>   ProguardCache("org.joda.time") % "joda-time" %% "joda-time",
>   ProguardCache("play") % "play" %% "play-json"
> )
> ...
> ```
> --------------------------------
>
> Thank you for the advice you can share, it s very annoying to clean and 
> recompile everything from the beginning (and my computer is very slow...)
>
> Regards
>

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