Android Gradle plugin 0.7.0: "duplicate files during packaging of APK"

Asked 19/12, 2013 at 4:43 Answered 15/12, 2017 at 8:28

Solved android gradle android-studio android-gradle-plugin

329

Using Android Gradle plugin 0.7.0 with the following build.gradle:

buildscript {
    repositories {
        mavenCentral()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:0.7.0'
    }
}

apply plugin: 'android'

repositories {
    maven { url "https://android-rome-feed-reader.googlecode.com/svn/maven2/releases" }
    maven { url "http://dl.bintray.com/populov/maven" }
    mavenCentral()
}

android {
    compileSdkVersion 19
    buildToolsVersion '18.1.1'

    defaultConfig {
        minSdkVersion 9
        targetSdkVersion 19
    }
    buildTypes {
        release {
            runProguard true
            proguardFile getDefaultProguardFile('proguard-android-optimize.txt')
        }
    }
    productFlavors {
        defaultFlavor {
            proguardFile 'proguard-rules.txt'
        }
    }
    sourceSets {
        instrumentTest.setRoot('src/instrumentTest')
    }
}

configurations {
    apt
}

ext.androidAnnotationsVersion = '2.7.1';

dependencies {
    compile 'com.android.support:support-v4:18.0.0'

    compile 'com.viewpagerindicator:library:2.4.1@aar'

    compile 'com.google.code.android-rome-feed-reader:android-rome-feed-reader:1.0.0-r2'
    compile 'org.jdom:jdom:1.1.1-android-fork'

    apt "com.googlecode.androidannotations:androidannotations:${androidAnnotationsVersion}"
    compile "com.googlecode.androidannotations:androidannotations-api:${androidAnnotationsVersion}"

    compile 'com.google.code.gson:gson:2.2.4'
    compile 'com.j256.ormlite:ormlite-android:4.47'
    compile 'com.j256.ormlite:ormlite-core:4.47'
    compile 'org.springframework.android:spring-android-core:1.0.1.RELEASE'
    compile 'org.springframework.android:spring-android-rest-template:1.0.1.RELEASE'
    compile 'com.prolificinteractive:actionbarsherlock:4.3.1@aar'

    compile 'com.google.code.geocoder-java:geocoder-java:0.15'

    compile files('libs/CWAC-Pager.jar')
}

android.applicationVariants.all { variant ->
    aptOutput = file("${project.buildDir}/source/apt_generated/${variant.dirName}")
    println "****************************"
    println "variant: ${variant.name}"
    println "manifest:  ${variant.processResources.manifestFile}"
    println "aptOutput:  ${aptOutput}"
    println "****************************"

    variant.javaCompile.doFirst {
        println "*** compile doFirst ${variant.name}"
        aptOutput.mkdirs()
        variant.javaCompile.options.compilerArgs += [
                '-processorpath', configurations.apt.getAsPath(),
                '-AandroidManifestFile=' + variant.processResources.manifestFile,
                '-s', aptOutput
        ]
    }
}

gives the error Duplicate files copied in APK META-INF/LICENSE.txt:

WARNING: Dependency commons-logging:commons-logging:1.0.4 is ignored for defaultFlavorDebug as it may be conflicting with the internal version provided by Android.
         In case of problem, please repackage it with jarjar to change the class packages
WARNING: Dependency commons-logging:commons-logging:1.0.4 is ignored for defaultFlavorRelease as it may be conflicting with the internal version provided by Android.
         In case of problem, please repackage it with jarjar to change the class packages
Creating properties on demand (a.k.a. dynamic properties) has been deprecated and is scheduled to be removed in Gradle 2.0. Please read http://gradle.org/docs/current/dsl/org.gradle.api.plugins.ExtraPropertiesExtension.html for information on the replacement for dynamic properties.
Deprecated dynamic property: "aptOutput" on "com.android.build.gradle.internal.api.ApplicationVariantImpl_Decorated@5705013c", value: "/Users/david/Developer...".
****************************
variant: defaultFlavorDebug
manifest:  /Users/david/Developer/.../build/manifests/defaultFlavor/debug/AndroidManifest.xml
aptOutput:  /Users/david/Developer/.../build/source/apt_generated/defaultFlavor/debug
****************************
Deprecated dynamic property "aptOutput" created in multiple locations.
****************************
variant: defaultFlavorRelease
manifest:  /Users/david/Developer/.../build/manifests/defaultFlavor/release/AndroidManifest.xml
aptOutput:  /Users/david/Developer/.../build/source/apt_generated/defaultFlavor/release
****************************
:TravelGuard:compileDefaultFlavorDebugNdk UP-TO-DATE
:TravelGuard:preBuild UP-TO-DATE
:TravelGuard:preDefaultFlavorDebugBuild UP-TO-DATE
:TravelGuard:preDefaultFlavorReleaseBuild UP-TO-DATE
:TravelGuard:prepareComProlificinteractiveActionbarsherlock431Library UP-TO-DATE
:TravelGuard:prepareComViewpagerindicatorLibrary241Library UP-TO-DATE
:TravelGuard:prepareDefaultFlavorDebugDependencies
:TravelGuard:compileDefaultFlavorDebugAidl UP-TO-DATE
:TravelGuard:compileDefaultFlavorDebugRenderscript UP-TO-DATE
:TravelGuard:generateDefaultFlavorDebugBuildConfig UP-TO-DATE
:TravelGuard:mergeDefaultFlavorDebugAssets UP-TO-DATE
:TravelGuard:mergeDefaultFlavorDebugResources UP-TO-DATE
:TravelGuard:processDefaultFlavorDebugManifest UP-TO-DATE
:TravelGuard:processDefaultFlavorDebugResources UP-TO-DATE
:TravelGuard:generateDefaultFlavorDebugSources UP-TO-DATE
:TravelGuard:compileDefaultFlavorDebugJava
*** compile doFirst defaultFlavorDebug
/Users/david/Developer/.../src/main/java/com/travelguard/service/TravelGuardService.java:53: cannot find symbol
symbol  : class TravelGuardPrefs_
location: class com.travelguard.service.TravelGuardService
    TravelGuardPrefs_ travelGuardPrefs;
    ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/CategoriesActivity.java:14: cannot find symbol
symbol  : class AssistanceFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.AssistanceFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/CategoriesActivity.java:16: cannot find symbol
symbol  : class CategoryFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.CategoryFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/CategoriesActivity.java:17: cannot find symbol
symbol  : class ContactFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.ContactFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/CountriesActivity.java:25: cannot find symbol
symbol  : class TravelGuardPrefs_
location: package com.travelguard.service
import com.travelguard.service.TravelGuardPrefs_;
                              ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/CountriesActivity.java:44: cannot find symbol
symbol  : class TravelGuardPrefs_
location: class com.travelguard.ui.CountriesActivity
    TravelGuardPrefs_ travelGuardPrefs;
    ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/InstructionsActivity.java:18: cannot find symbol
symbol  : class AssistanceFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.AssistanceFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/InstructionsActivity.java:19: cannot find symbol
symbol  : class ContactFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.ContactFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/InstructionsActivity.java:21: cannot find symbol
symbol  : class InstructionsFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.InstructionsFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/MainActivity.java:36: cannot find symbol
symbol  : class TravelGuardPrefs_
location: package com.travelguard.service
import com.travelguard.service.TravelGuardPrefs_;
                              ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/MainActivity.java:40: cannot find symbol
symbol  : class AssistanceFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.AssistanceFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/MainActivity.java:41: cannot find symbol
symbol  : class ContactFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.ContactFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/MainActivity.java:55: cannot find symbol
symbol  : class TravelGuardPrefs_
location: class com.travelguard.ui.MainActivity
    TravelGuardPrefs_ travelGuardPrefs;
    ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/TermsActivity.java:17: cannot find symbol
symbol  : class TravelGuardPrefs_
location: package com.travelguard.service
import com.travelguard.service.TravelGuardPrefs_;
                              ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/TermsActivity.java:23: cannot find symbol
symbol  : class TravelGuardPrefs_
location: class com.travelguard.ui.TermsActivity
    TravelGuardPrefs_ travelGuardPrefs;
    ^
Note: Starting AndroidAnnotations annotation processing
Note: AndroidManifest.xml file found: /Users/david/Developer/.../build/manifests/defaultFlavor/debug/AndroidManifest.xml
Note: Number of files generated by AndroidAnnotations: 22
Note: Generating source file: com.travelguard.service.SmartTravellerService_
Note: Generating source file: com.travelguard.service.SmartTravellerWebservice_
Note: Generating source file: com.travelguard.service.TravelGuardPrefs_
Note: Generating source file: com.travelguard.service.TravelGuardService_
Note: Generating source file: com.travelguard.service.TravelGuardWebservice_
Note: Generating source file: com.travelguard.ui.AdviceActivity_
Note: Generating source file: com.travelguard.ui.CategoriesActivity_
Note: Generating source file: com.travelguard.ui.ContactDetailActivity_
Note: Generating source file: com.travelguard.ui.ContactListActivity_
Note: Generating source file: com.travelguard.ui.ContactTravelGuardActivity_
Note: Generating source file: com.travelguard.ui.CountriesActivity_
Note: Generating source file: com.travelguard.ui.InformationActivity_
Note: Generating source file: com.travelguard.ui.InstructionsActivity_
Note: Generating source file: com.travelguard.ui.MainActivity_
Note: Generating source file: com.travelguard.ui.TermsActivity_
Note: Generating source file: com.travelguard.ui.TravelGuardActivity_
Note: Generating source file: com.travelguard.ui.fragments.AdviceDetailFragment_
Note: Generating source file: com.travelguard.ui.fragments.AdviceFragment_
Note: Generating source file: com.travelguard.ui.fragments.AssistanceFragment_
Note: Generating source file: com.travelguard.ui.fragments.CategoryFragment_
Note: Generating source file: com.travelguard.ui.fragments.ContactFragment_
Note: Generating source file: com.travelguard.ui.fragments.InstructionsFragment_
Note: Time measurements: [Whole Processing = 913 ms], [Generate Sources = 358 ms], [Extract Manifest = 163 ms], [Process Annotations = 158 ms], [Extract Annotations = 120 ms], [Validate Annotations = 82 ms], [Find R Classes = 28 ms],
Note: Time measurements: [Whole Processing = 0 ms],
Note: Time measurements: [Whole Processing = 0 ms],
warning: The following options were not recognized by any processor: '[androidManifestFile]'
Note: /Users/david/Developer/.../src/main/java/com/travelguard/ui/ContactDetailActivity.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: /Users/david/Developer/.../src/main/java/com/travelguard/service/SmartTravellerService.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
:TravelGuard:preDexDefaultFlavorDebug UP-TO-DATE
:TravelGuard:dexDefaultFlavorDebug
:TravelGuard:processDefaultFlavorDebugJavaRes UP-TO-DATE
:TravelGuard:validateDebugSigning
:TravelGuard:packageDefaultFlavorDebug
Error: duplicate files during packaging of APK /Users/david/Developer/.../build/apk/TravelGuard-defaultFlavor-debug-unaligned.apk
    Path in archive: META-INF/LICENSE.txt
    Origin 1: /Users/david/.gradle/caches/modules-2/files-2.1/commons-httpclient/commons-httpclient/3.1/964cd74171f427720480efdec40a7c7f6e58426a/commons-httpclient-3.1.jar
    Origin 2: /Users/david/.gradle/caches/modules-2/files-2.1/commons-codec/commons-codec/1.2/397f4731a9f9b6eb1907e224911c77ea3aa27a8b/commons-codec-1.2.jar
:TravelGuard:packageDefaultFlavorDebug FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':TravelGuard:packageDefaultFlavorDebug'.
> Duplicate files copied in APK META-INF/LICENSE.txt
    File 1: /Users/david/.gradle/caches/modules-2/files-2.1/commons-httpclient/commons-httpclient/3.1/964cd74171f427720480efdec40a7c7f6e58426a/commons-httpclient-3.1.jar
    File 2: /Users/david/.gradle/caches/modules-2/files-2.1/commons-httpclient/commons-httpclient/3.1/964cd74171f427720480efdec40a7c7f6e58426a/commons-httpclient-3.1.jar


* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Total time: 21.957 secs

Things were working fine this morning before I updated Android Studio. Any ideas?

EDIT: I was able to temporarily fix it by running commands like

zip -d spring-android-core-1.0.1.RELEASE.jar META-INF/notice.txt

until all the duplicate errors went away.

Diploid answered 19/12, 2013 at 4:43 Comment(6)

See also #20674388 – Marienthal 19/12, 2013 at 5:59

This seems to be bug code.google.com/p/android/issues/detail?id=61573. I don't know why it's only started being troublesome for you in this release. – Marienthal 19/12, 2013 at 6:2

stuck with the same problem. Decided to stay on Android Studio 0.3.7 and gradle plugin 0.6.3 until bug is resolved – Selfconceit 19/12, 2013 at 10:26

You should be clear of your wordings: You aren't using gradle 0.7.0 - it is the android gradle plugin. Which uses gradle (with wrapper) in version 1.9.0. Wrong wordings will lead to confusing - besides of the given context. – Narcosis 19/12, 2013 at 10:54

They just release 0.7.1 which supposedly fixes this: tools.android.com/tech-docs/new-build-system – Rendition 19/12, 2013 at 21:52

Please note the pickFirst option available since Gradle 0.9.1. – Foltz 3/4, 2014 at 13:30

475

As of Android Studio version 0.8.14

You should add:

 android {
     packagingOptions { 
         exclude 'META-INF/LICENSE.txt'
         exclude 'META-INF/NOTICE.txt'
         exclude '...'
     }
 }

to your build.gradle file.

History:

According to comment 14 in this bug: https://issuetracker.google.com/issues/36982149#comment14 this is a bug in v0.7.0 of the Android Gradle plugin, and is due to be fixed soon in 0.7.1.

Here are the notes from that bug about the addition for 0.7.1:

0.7.1 is out with the fix for this.

The DSL to exclude files is:

android {
    packagingOptions {
        exclude 'META-INF/LICENSE.txt'
    }
}

You can add as many exclude statement as you want. The value is the archive path. No wildcard or glob support yet.

Filenames "LICENSE.txt" and "NOTICE.txt" are case sensitive. Please try out with "license.txt" and "notice.txt" as well.

Marienthal answered 19/12, 2013 at 7:1 Comment(22)

See my temporary fix above – Diploid 19/12, 2013 at 9:3

Version 0.7.1 of the plugin is out now and the above solution works now. – Aeronaut 20/12, 2013 at 6:5

Thanks! I also had to exclude 'META-INF/NOTICE.txt' ;) – Dingle 21/12, 2013 at 23:12

@wolfovercats you add this to your build.gradle, you already have a android{} block, just add the packagingOptions block to it – Dingle 21/12, 2013 at 23:17

So, apparently it's case-sensitive. I had to use META-INF/notice.txt instead to get past this issue. But, thanks for the answer! You saved me a lot of trouble! – Geld 24/12, 2013 at 2:20

Day by day I am astonished by how programmers could have been remotely productive before stackoverflow arrived. Thanks for the fix! I had to exclude META-INF/LICENSE and /NOTICE instead. (No txt, even on latest gradle.) – Heathendom 1/1, 2014 at 19:9

things like this would make you stop using great tools like gradle... pre-SO. Thanks! – Selfrenunciation 26/3, 2014 at 19:48

What file i should edit and where it can be found? thanks, Eyal. – Morality 30/3, 2014 at 12:25

@Geld please help me : How to exclude META-INF/notice.txt? – Customs 3/4, 2014 at 13:7

Here's an example build.gradle that includes the solution: github.com/OneBusAway/onebusaway-android/blob/master/… You can add multiple files to exclude. – Tram 3/4, 2014 at 20:39

@um.anusorn Sean has given you a good example for a gradle file that excludes these files from libraries during packaging. This is what I have in mine: packagingOptions { exclude 'META-INF/LICENSE' exclude 'META-INF/NOTICE' exclude 'META-INF/DEPENDENCIES' exclude 'META-INF/license.txt' exclude 'META-INF/dependenices.txt' exclude 'META-INF/notice.txt' } – Geld 4/4, 2014 at 14:54

Still prevalent bug in v0.12 of built tools.. Just saying – Houseraising 7/8, 2014 at 9:54

Added the .txt extensions to /LICENSE and /NOTICE. Fixed the issue for me. – Dildo 14/11, 2014 at 21:15

@Heathendom We had less complicated tools by our side! – Odense 11/2, 2015 at 6:59

26.04.2015 - Still need that in Android Studio v1.1.0 – Stonefly 26/4, 2015 at 17:11

Do you mean Android Studio 0.8.14? – Wileen 21/10, 2015 at 15:25

Had to do this version 1.4.1 - after adding Spring for Android and GSON to my Gradle file. Would not work unless the 'NOTICE' and 'LICENSE' were lowercase - 'notice.txt', 'license.txt' – Nannana 8/11, 2015 at 23:31

Not worked for me, still shows Warning:Dependency org.apache.httpcomponents:httpclient:4.3 is ignored for debug as it may be conflicting with the internal version provided by Android. In case of problem, please repackage it with jarjar to change the class packages – Skiagraph 8/2, 2016 at 9:19

You can also use pickFirst. Consider commenting that in your solution. Thanks! – Stevenson 31/10, 2017 at 9:23

a regex to relieve the pain excludes += ['META-INF/*'] – Mudpack 21/3, 2018 at 17:52

2021-05-22: Android 4.x and I think I don't need this anymore. Finally. This has been in my gradle file for 7 years! – Toponymy 22/5, 2021 at 18:51

I know this is old, but wildcards work now (I'm using Gradle 7.4) for example pickFirst 'lib/x86/*.so' – Convergence 23/11, 2022 at 10:58

149

In my case I had to include several additional exclusions. It appears it doesn't like Regular expressions which would've made this a nice one-liner.

android {
    packagingOptions {
        exclude 'META-INF/DEPENDENCIES.txt'
        exclude 'META-INF/DEPENDENCIES'
        exclude 'META-INF/dependencies.txt'
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/LICENSE'
        exclude 'META-INF/license.txt'
        exclude 'META-INF/LGPL2.1'
        exclude 'META-INF/NOTICE.txt'
        exclude 'META-INF/NOTICE'
        exclude 'META-INF/notice.txt'
    }
}

Blackmarket answered 8/1, 2014 at 15:56 Comment(4)

I only needed LICENSE and NOTICE after I added commons-lang3. – Giffy 18/2, 2014 at 17:18

This one helped me (I have AndroidAnnotations + Spring REST template). With having to add such hacks this IntelliJ product dreadfully starts to resemble Eclipse... – Fireresistant 15/5, 2014 at 9:37

Don't know which one affects, but this is really helpful. – Fibrinous 4/7, 2014 at 7:21

packagingOptions {
        exclude 'META-INF/DEPENDENCIES.txt'
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/NOTICE.txt'
}

Viviennevivify answered 20/12, 2013 at 0:14 Comment(2)

I needed the .txt suffix. – Giffy 18/2, 2014 at 17:17

Something else I am doing just brought me back here, and I didn't need the .txt suffix. So I guess YMMV (or MMMV depending on the time of year). – Giffy 2/10, 2014 at 16:40

Have a look at Sakiboy's comment!

Outdated answer

From Gradle 0.9.1 the following is supported:

android.packagingOptions {
    pickFirst 'META-INF/LICENSE.txt'
}

More information in the Gradle release notes.

Foltz answered 15/6, 2014 at 0:40 Comment(6)

This is a better solution as developers have an obligation to include these files when they use open source software. – Climactic 30/10, 2014 at 22:38

Nice option, but this comment is totally wrong. Only the licence from the firs library will be included all the rest will be left out. – Parturition 1/4, 2015 at 14:19

this is useful if 2 libraries are using the same .so files – Esparto 27/1, 2016 at 15:59

Can I use that for two JARs that contain the same .class file? I have two JARs included that both contain org/xmlpull/v1/XmlPullParser.class – Blindheim 18/4, 2017 at 9:2

Not sure. Please post a new question on Stackoverflow to get answers. – Foltz 26/4, 2017 at 8:42

@PSIXO, you can see the answer below if you want to include ALL the licenses: https://mcmap.net/q/67456/-android-gradle-plugin-0-7-0-quot-duplicate-files-during-packaging-of-apk-quot – Hannibal 15/12, 2017 at 8:33

The same problem when I export the library httclient-4.3.5 in Android Studio 0.8.6 I need include this:

packagingOptions{
    exclude 'META-INF/DEPENDENCIES'
    exclude 'META-INF/NOTICE'
    exclude 'META-INF/NOTICE.txt'
    exclude 'META-INF/LICENSE'
    exclude 'META-INF/LICENSE.txt'
}

The library zip content the next jar:

commons-codec-1.6.jar
commons-logging-1.1.3.jar
fluent-hc-4.3.5.jar
httpclient-4.3.5.jar
httpclient-cache-4.3.5.jar
httpcore-4.3.2.jar
httpmime-4.3.5.jar

Segovia answered 26/8, 2014 at 0:24 Comment(0)

This bug still exists in 0.8+/1.10

With Jackson

compile 'com.fasterxml.jackson.dataformat:jackson-dataformat-csv:2.2.2'

I had to include as well as the above suggestion before it would compile

exclude 'META-INF/services/com.fasterxml.jackson.core.JsonFactory'

Cimmerian answered 2/2, 2014 at 10:7 Comment(1)

how to exclude 'META-INF/services/com.fasterxml.jackson.core.JsonFactory'. Which file should I edit? – Customs 3/4, 2014 at 13:28

It's more than one error

Under apply plugin: 'android-library'

add this ::

android {
    packagingOptions {
        exclude 'META-INF/ASL2.0'
        exclude 'META-INF/LICENSE'
        exclude 'META-INF/NOTICE'
    }
}

In case of duplicate files it's easy, look inside the JAR under the META-INF dir and see what's causing the error. It could be multiple. In my case Couchbase Lite plugin. As you add more plugins, you will need more exceptions

Xiphisternum answered 1/5, 2015 at 23:2 Comment(2)

Stupid question: where is that JAR file? – Blindheim 18/4, 2017 at 8:6

In Android Studio, running Gradle with the --info flag let me see the log of classes being added to the apk, and I could then search upward to find the log entry for the same class being added from a different JAR. This also showed me the file path to both JAR files. I couldn't find a good way to choose one .class file over the other, so I modified one of the JAR files and removed the duplicate .class – Blindheim 19/4, 2017 at 3:55

The same problem when I used 'org.springframework.android:spring-android-rest-template:2.0.0.M1' in Android Studio 1.0.1. I need include this in build.gradle

android{
...
    packagingOptions{
        exclude 'META-INF/notice.txt'
        exclude 'META-INF/license.txt'
    }
...
}

Mottle answered 16/12, 2014 at 7:59 Comment(0)

This works for me:

android {
   packagingOptions {
       exclude 'LICENSE.txt'
   }
}

Chestnut answered 6/6, 2015 at 16:42 Comment(0)

I think you need to include only these options in build.gradle:

packagingOptions {
        exclude 'META-INF/DEPENDENCIES'
        exclude 'META-INF/NOTICE'
        exclude 'META-INF/LICENSE'
    }

p.s same answer from my post in : Error :: duplicate files during packaging of APK

Conterminous answered 25/2, 2016 at 15:28 Comment(0)

If you want to do your part as developer, utilizing open source libraries, you should try including all those open source licenses within your apk. To do this, you can use the merge method in your packagingOptions.

Example:

packagingOptions {
        // This will get include every license and notice regardless of what dir it’s in.
        merge '**/LICENSE.txt'
        merge '**/NOTICE.txt'
        merge '**/notice.txt'
        merge '**/license.txt'
        merge '**/NOTICE'
        merge '**/LICENSE'
        merge '**/notice'
        merge '**/license'
        merge '**/LGPL2.1'
        // This will exclude any README files, regardless of the dir or the file type.
        exclude '**/README.*'
}

This answer is better than using pickFirst because that method only picks the first license it finds and disregards all the rest, kinda rendering it useless in this case.

So in short, use the merge method to include all those licenses from those kickass open source libraries you’ve been using.

More info on Gradle PackagingOptions.

Hannibal answered 15/12, 2017 at 8:28 Comment(0)

The problem is that the META-INF folder won't get filtered so multiple entries of NOTICE or LICENSE cause duplicates when building and it is tryed to copy them together.

Dirty Quick Fix:

Open the .jar file in your .gradle/caches/... folder (with a zip compatible tool) and remove or rename the files in the META-INF folder that cause the error (usally NOTICE or LICENSE). (I know thats also in the OP, but for me it was not really clear until I read the google forum)

EDIT:

This was fixed in 0.7.1. Just add the confilcting files to exclude.

android {
    packagingOptions {
        exclude 'META-INF/LICENSE'
    }
}

Naphthol answered 19/12, 2013 at 13:47 Comment(3)

Oh sorry I just understand it now. – Customs 3/4, 2014 at 15:14

Maybe the worst possible answer : altering the jars in the gradle cache may change their checksum, and as a consequence won't work for long ... besides, thoses are not your jars – Game 28/6, 2017 at 7:55

Yeah, that's why it says "Dirty Quick Fix" in bold letters. Also the correct solution is just a paragraph away. You do realise that was written at a time where there was no clean solution, but people still needed to compile their apps. – Naphthol 28/6, 2017 at 9:52

I noticed this commit comment in AOSP, the solution will be to exclude some files using DSL. Probably when 0.7.1 is released.

commit e7669b24c1f23ba457fdee614ef7161b33feee69
Author: Xavier Ducrohet <--->
Date:   Thu Dec 19 10:21:04 2013 -0800

    Add DSL to exclude some files from packaging.

    This only applies to files coming from jar dependencies.
    The DSL is:

    android {
      packagingOptions {
        exclude 'META-INF/LICENSE.txt'
      }
    }

Glennaglennie answered 19/12, 2013 at 21:48 Comment(2)

yeah and they just wrote the release notes on the build site so hopefully they'll upload the artifact to maven central soon so we can use this! – Prolusion 19/12, 2013 at 22:16

What if I don’t want to exclude them, just rename them so they don’t collide? – Olid 8/9, 2020 at 21:8

Important to know in what file it comes to this error (in you example it is META-INF/LICENSE.txt) , in my case it was in META-INF/LICENSE [without ".txt"], and then in the file META-INF/ASL2.0 so I added to my build.gradle this lines:

android {
    packagingOptions {
        exclude 'META-INF/LICENSE'
        exclude 'META-INF/ASL2.0'
    }
}

Very important (!) -> add the name of the file in the same style, that you see it in the error message: the text is case sensitive, and there is a difference between *.txt and *(without "txt").

Udele answered 10/9, 2014 at 22:39 Comment(0)

Same here with

dependencies {
    compile 'org.apache.oltu.oauth2:org.apache.oltu.oauth2.client:1.0.0'
}

packagingOptions {
    exclude 'META-INF/DEPENDENCIES'
    exclude 'META-INF/LICENSE'
    exclude 'META-INF/NOTICE'
}

I lost like 2 days for that weird error... Why is this still happening in gradle 1.0.0 ? That is very disturbing for newbies... Anyway, thanks for that info i thought it was on my code :)

Gnomic answered 23/12, 2014 at 9:51 Comment(0)

In my case I only need to add to project's build.gradle file:

android {
  packagingOptions {
    exclude 'META-INF/notice.txt'
    exclude 'META-INF/license.txt'
  }

   ...
}

Gurney answered 21/9, 2014 at 12:10 Comment(0)

In Android Studio 1.1.0 i needed lower case names:

packagingOptions{
      exclude 'META-INF/license.txt'
      exclude 'META-INF/notice.txt'
}

Parbuckle answered 8/3, 2015 at 1:16 Comment(0)

Files "LICENSE.txt" and "NOTICE.txt" are case sensitive. So for SPring android library I had to add

android {
    packagingOptions {
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/NOTICE.txt'
        exclude 'META-INF/license.txt'
        exclude 'META-INF/notice.txt'
    }
}

Cadence answered 23/8, 2016 at 8:24 Comment(0)

Removing .txt after LICENSE removed my error :

packagingOptions {
    exclude 'META-INF/LICENSE'
}

Niblick answered 11/12, 2016 at 10:14 Comment(0)

  packagingOptions {
    exclude 'META-INF/DEPENDENCIES.txt'
    exclude 'META-INF/DEPENDENCIES'
    exclude 'META-INF/dependencies.txt'
    exclude 'META-INF/LICENSE.txt'
    exclude 'META-INF/LICENSE'
    exclude 'META-INF/license.txt'
    exclude 'META-INF/LGPL2.1'
    exclude 'META-INF/NOTICE.txt'
    exclude 'META-INF/NOTICE'
    exclude 'META-INF/notice.txt'
}

Farreaching answered 27/3, 2017 at 7:15 Comment(0)

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