Error Execution failed for task app transformClassesWithJarMergingForDebug

Question

Good day  After updating google repository in AndroidStudio  I have an issue    gt  Error Execution failed for task   app transformClassesWithJarMergingForDebug    gt  com android build transform api TransformException  java util zip ZipException  duplicate entry   gt  android support v7 cardview BuildConfig class   I m trying to exclude group android support from play-services  it did not help  When I started my project on another PC I have    gt  Error Execution failed for task    app transformClassesWithJarMergingForDebug    gt  com android build transform api TransformException  java util zip ZipException  duplicate entry   gt  android support annotation AnimRes class   my build gradle   apply plugin   com android application  apply plugin   com android databinding   android       compileSdkVersion 23     buildToolsVersion  23 0 1       defaultConfig           applicationId  ru alexeyk myevents          minSdkVersion 14         targetSdkVersion 23         versionCode 16         versionName  1 121          multiDexEnabled true           buildTypes           release               minifyEnabled false             proguardFiles getDefaultProguardFile  proguard-android txt     proguard-rules pro                     dependencies       compile fileTree include      jar    dir   libs       compile  com github nkzawa socket io-client 0 4 2             exclude group   org json   module   json            compile files  libs sentry-1 1 4 jar       compile  com android support appcompat-v7 23 1 0      compile  com android support support-annotations 23 1 0      compile  com android support design 23 1 0      compile  com android support support-v4 23 1 0      compile  com android support cardview-v7 23 1 0      compile  com android support recyclerview-v7 23 1 0      compile  com nostra13 universalimageloader universal-image-loader 1 9 4      compile  com github machinarius preferencefragment 0 1 2      compile  com edmodo cropper 1 0 1      compile  com makeramen roundedimageview 2 1 1      compile  org ocpsoft prettytime prettytime 4 0 0 Final      compile  com yandex android mobmetricalib 2 00 aar      compile  com google android gms play-services 8 1 0      compile  com google android gms play-services-ads 8 1 0      compile  com google android gms play-services-analytics 8 1 0      compile  com google android gms play-services-identity 8 1 0      compile  com google android gms play-services-gcm 8 1 0

User · Accepted Answer

In terminal execute in root project folder     gradlew clean   It helped me

User · Answer

I got this error because I did not have the correct line in my build gradle  I am using the org apache http legacy jar library  which requires this   android     useLibrary  org apache http legacy              So check that you have everything in your gradle file that is required

User · Answer

I resolve this is by changing the version no of recyleview to recyclerview-v7 24 2 1  Please check your dependencies and use the proper version number

User · Answer

For me the issue was caused by com google android exoplayer conflicting with com facebook android audience-network-sdk   I fixed the problem by excluding the exoplayer library from the audience-network-sdk    compile   com facebook android audience-network-sdk 4 24 0         exclude group   com google android exoplayer

User · Answer

All the above not working for me   Because I am using Facebook Ad dependency     Incase If anybody using this dependency  compile  com facebook android audience-network-sdk 4 16 0   Try this code instead of above  compile   com facebook android audience-network-sdk 4 16 0    exclude group   com google android gms

User · Answer

AndroidStudio Menu      Build Clean Project   Update old dependencies

User · Answer

I resolved the issue by double checking the  libs  directory and removing redundant jars  even though those jars were not manually added in the dependencies

User · Answer

Open your system command prompt terminal -  Go to your Project folder path  root project folder   -  Execute following command   command  - gradlew clean or   gradlew clean  Make sure that all your gradle dependencies are of same version  -  Example  - your appcompat and recyclerview dependencies should have same version   -  Change your gradle dependencies to same version like  -  compile  com android support appcompat-v7 23 4 0  compile  com android support design 23 4 0  compile  com android support recyclerview-v7 23 4 0  compile  com android support cardview-v7 23 4 0    -  Rebuild your project and it will work fine

User · Answer

see if their duplicate jars or dependencies your adding remove it and your error will be gone  Eg  if you add android supportv4 jar and also dependency you will get the error so remove the jar error will be gone

User · Answer

There may be different reason for reported issue  few days back also face this issue  duplicate jar   after upgrading studio  From all stackoverflow I tried all the suggestion but nothing worked for me   But this is for sure some duplicate jar is there  For me it was present in one library libs folder as well as project libs folder  So I removed from project libs folder as it was not required here  So be careful while updating the studio  and try to understand all the gradle error

User · Answer

Use project root in terminal like this - Users rajnish Desktop RankProjects ProjectCloud  After that enter this command   gradlew clean  It will work

[android] Error:Execution failed for task ':app:transformClassesWithJarMergingForDebug'

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