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  1. ,
    via Stack Overflow by user3302639

    Occurs when a Module has a dependency on both another module and that same module's jar.
    If that dependency came from 3rd party libraries, you can declare it, update library in your build.gradle, or remove old version from library by exclude statement.

Solutions on the web

via GitHub by jasongrishkoff
, 9 months ago
Multiple dex files define Lcom/google/firebase/FirebaseException;
via GitHub by Hurinj
, 1 year ago
Multiple dex files define Lcom/google/firebase/FirebaseException;
via GitHub by neosekar
, 1 year ago
Multiple dex files define Lcom/google/firebase/FirebaseException;
via GitHub by jasongrishkoff
, 3 months ago
Multiple dex files define Lcom/google/firebase/FirebaseException;
via GitHub by Divyaadz
, 1 year ago
Multiple dex files define Lcom/google/firebase/FirebaseException;
via GitHub by pierreNeck
, 1 year ago
Multiple dex files define Lcom/google/firebase/FirebaseException; FAILED BUILD FAILED Total time: 50.554 secs
com.android.dex.DexException: Multiple dex files define Lcom/google/firebase/FirebaseException;	at com.android.dx.merge.DexMerger.readSortableTypes(DexMerger.java:591)	at com.android.dx.merge.DexMerger.getSortedTypes(DexMerger.java:546)	at com.android.dx.merge.DexMerger.mergeClassDefs(DexMerger.java:528)	at com.android.dx.merge.DexMerger.mergeDexes(DexMerger.java:164)	at com.android.dx.merge.DexMerger.merge(DexMerger.java:188)	at com.android.dx.command.dexer.Main.mergeLibraryDexBuffers(Main.java:504)	at com.android.dx.command.dexer.Main.runMonoDex(Main.java:334)	at com.android.dx.command.dexer.Main.run(Main.java:277)	at com.android.dx.command.dexer.Main.main(Main.java:245)	at com.android.dx.command.Main.main(Main.java:106)