I have a library project (Janrain:Jump) that uses the org.apache.http.legacy
library. When I try to build my project I get the duplicate error like following:
com.android.build.api.transform.TransformException: java.util.zip.ZipException: duplicate entry: org/apache/commons/codec/StringEncoderComparator.class
So I figured that the org.apache.commons
are duplicate entry because Janrain uses it and it's also included in the Android 24 (as an external library). So I tried to remove the commons from the :Jump gradle like:
configurations {
all*.exclude group: 'org.apache.commons'
}
Now, I'd expect that this removes org.apache.commons
but I still get the duplicate entry gradle error.
Here is the :Jump gradle file
apply plugin: 'com.android.library'
android {
compileSdkVersion 24
buildToolsVersion "24.0.3"
//If building with strict Android 6.0 the following will need to be uncommented
//See: https://developer.android.com/about/versions/marshmallow/android-6.0-changes.html
//And: http://stackoverflow.com/questions/31653002/how-to-use-the-legacy-apache-http-client-on-android-m
useLibrary "org.apache.http.legacy"
defaultConfig {
minSdkVersion 17
targetSdkVersion 24
// replace the below string with your own Google client ID. Make sure this is consistent
// with the values used in openid_appauth_idp_configs.xml
manifestPlaceholders = [
<my values>]
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
}
}
}
configurations {
all*.exclude group: 'org.apache.commons'
}
dependencies {
compile 'com.android.support:support-v4:24.2.0'
compile files('libs/org.apache.http.legacy.jar')
compile 'com.squareup.okhttp:okhttp:2.5.0'
compile 'com.squareup.okhttp:okhttp-apache:2.5.0'
compile 'com.squareup.okio:okio:1.6.0'
compile 'com.squareup.picasso:picasso:2.5.2'
compile 'com.squareup.retrofit:retrofit:1.8.0'
compile 'net.openid:appauth:0.4.1'
}
allprojects {
repositories {
jcenter()
}
gradle.projectsEvaluated {
tasks.withType(JavaCompile) {
options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
}
}
}
Why is the org.apache.commons
not excluded even when I include it in configurations?
Just add this task to your build.gradle then run gradle findDuplicates
to find the jars
task findDuplicates {
doLast {
def findMe = 'org/apache/commons/codec/StringEncoderComparator.class'
configurations.runtime.asFileTree.matching {
include '**/*.jar'
}.files.each { File jarFile ->
zipTree(jarFile).visit { FileVisitDetails fvd ->
if (fvd.path == findMe) {
println "Found $findMe in $jarFile.name"
}
}
}
}
}