Gradle Commons-Io Duplicate Entry Error

[Reginald Johnson]

I've been working on the following issue for several hours, but haven't come up with a way to solve my problem.  I've tried the following fixes from Stack Overflow (http://stackoverflow.com/questions/27436641/android-studio-update-to-1-0-corrupts-multidex and http://stackoverflow.com/questions/26059838/duplicate-zip-entry-after-gradle-plugin-v0-13-1) but neither one of them worked.

I am getting the following error when trying to build my program:

Execution failed for task ':app:packageAllDebugClassesForMultiDex'.

> java.util.zip.ZipException: duplicate entry: org/apache/commons/io/CopyUtils.class

The error seems to indicate that commons-io is being included twice in the build process

I am using Android Studio and Gradle to include multiple Robospice dependencies.  This is the dependencies section of my Gradle build file:

dependencies {

        compile 'com.android.support:multidex:1.0.1'

        compile 'com.android.support:support-v4:21.0.3'

        compile 'com.google.android.gms:play-services:6.5.87'

        compile'com.google.api-client:google-api-client-android:1.19.0'

        // You must install or update the Google Repository through the SDK manager to use this dependency.

        // The Google Repository (separate from the corresponding library) can be found in the Extras category.

        //compile 'com.google.android.gms:play-services:4.3.23'

        compile fileTree(dir: 'libs', include: ['*.jar'])

        compile "com.jakewharton:butterknife:${butterknifeVersion}"

        compile 'com.sun.jersey:jersey-bundle:1.8'

        compile 'com.google.code.gson:gson:2.3'

        compile 'org.codehaus.jackson:jackson-core-asl:1.9.0'

        compile 'org.codehaus.jackson:jackson-mapper-asl:1.9.0'

        compile ('com.octo.android.robospice:robospice:1.4.14'){

            exclude module: 'commons-io'

            exclude group: 'commons-io'

        }

        compile ('com.octo.android.robospice:robospice-spring-android:1.4.14'){

            exclude group: 'org.apache.commons', module: 'commons-io'

        }

        compile 'com.squareup.okhttp:okhttp:2.1.0'

        compile ('com.octo.android.robospice:robospice-google-http-client:1.4.14'){

            exclude module: 'xpp3'

            exclude group: 'stax'

        }

        compile 'org.scribe:scribe:1.3.5'

        compile files("$buildDir/native-libs/native-libs.jar")

    }

Using the "gradlew -q dependencies app:dependencies" command  to view the project's dependency tree indicates that com.octo.android.robospice:robospice:1.4.14 is dependent on the commons-io library.  Here is the relevant snippet of the project dependency tree:

+--- com.octo.android.robospice:robospice:1.4.14

|    \--- com.octo.android.robospice:robospice-cache:1.4.14

|         +--- org.apache.commons:commons-lang3:3.3.2

|         \--- org.apache.commons:commons-io:1.3.2

|              \--- commons-io:commons-io:1.3.2

The dependency is still listed even though I excluded commons-io from all Robospice related dependencies in the gradle build file.  I also tried changing the group name from commons-io to org.apache.commons, and that did not work either.

My project is at a standstill until I get this resolved, and I would appreciate any help I can get.

[Reginald Johnson]

I was able to get an answer via Stack Overflow here:

http://stackoverflow.com/questions/27745673/commons-io-duplicate-entry-error-using-robospice-and-android-studio