Unable to execute dex: Multiple dex files define Lcom/google/android/gcm/GCMBaseIntentService;

Question

I'm busy for a school assignment to create a timetable app which fetches data from my database by JSON.

I use the GCM service for push notifications and Johan Nilsson's Android Actionbar.

However, when I try to export my application to an .APK file the following errors occur.

[2012-12-10 10:28:03 - Dex Loader] Unable to execute dex: Multiple dex files define Lcom/google/android/gcm/GCMBaseIntentService; [2012-12-10 10:28:03 - TimeTable] Conversion to Dalvik format failed: Unable to execute dex: Multiple dex files define Lcom/google/android/gcm/GCMBaseIntentService;

While exporting an Android Dependencies map is created and creating a duplicate. Inside there is a reference to GCM and the android actionbar. While the GCM is already in the referenced libraries map after adding the gcm to the build path from the libs folder.

So after deleting the dependencies I can't run and export the application, because of the errors.

I already tried cleaning and rebuilding the app. Please help me.

CommonsWare · Accepted Answer · 2017-01-23 12:31:09Z

18

Just have one copy of the GCM JAR in libs/. Do not mess with your build path manually.

edited Jan 23, 2017 at 12:31

answered Dec 10, 2012 at 11:31

CommonsWare

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4 Comments

Mattias te Wierik Over a year ago

I removed the GCM from the built path and from /libs and I re-added it again.

CommonsWare Over a year ago

@MattiasteWierik: Then compare your project configuration with the one I linked to in the answer and try to determine where the extra copies of the GCM JAR are coming from.

Mattias te Wierik Over a year ago

Okay, thanks for the post. Will give more information in some hours.

Mattias te Wierik Over a year ago

Thanks for the help. Found the solution. For some kind of reason it worked now and still don't know what I did wrong. Thanks for you help! :)

ramit girdhar · Accepted Answer · 2013-06-13 07:42:25Z

Untick the admob jar file in the "order and export" part of the "configure build path".

It worked for me right away...

I tired every thing like deleting Bin directory or deleting gen directory, restarting Eclipse or cleaning and building again but nothing worked except for above step.

I had the same problem with Drive API. Unticking it in Order and export did the trick.

user2996950 · Accepted Answer · 2013-11-24 15:52:41Z

I unchecked google-play-services.jat in the "order and export" part of the "configure build path" and then in worked.

Tushar Bapte · Accepted Answer · 2014-06-10 14:51:01Z

0

Instead of adding GCM.jar from your project, add as a external jar.

answered Jun 10, 2014 at 14:51

Tushar Bapte

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Comments

user3546693 · Accepted Answer · 2015-10-22 10:23:12Z

In my case i just directly copied my jar files to eclipse project libs folder with capital letters. just renamed to small case. my problem got solved

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