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Fixes #2007 : Downgrade objenesis version for mockito-android #2024

merged 8 commits into from Sep 1, 2020


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@kozaxinan kozaxinan commented Aug 26, 2020

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    including project members to get a better picture of the change
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Fixes #2007

After building, mockito android pom includes objenesis 2.6 while mockito-core has objenesis 3.1.

Locally build version is Tested with our internal project to verify fix.

  androidTestImplementation('com.nhaarman.mockitokotlin2:mockito-kotlin:x.y.z') {
    exclude group: 'org.mockito', module: 'mockito-core'

pom of mockito-android.


Side note: I had problem with animal sniffer on release/3.x branch. I had to disable android api 24 signature check to compile the app.

org.mockito.internal.creation.bytebuddy.InlineByteBuddyMockMaker:507  Undefined reference (android-api-level-24-7.0_r2): java.lang.instrument.Instrumentation
org.mockito.internal.creation.bytebuddy.InlineByteBuddyMockMaker:507  Undefined reference (android-api-level-24-7.0_r2): boolean java.lang.instrument.Instrumentation.isModifiableClass(Class)

Breaking changes solutions for android modules

Solution 1

If you have motkito-kotlin with mockito-android, exclude mockito-core from mockito-kotlin.

        implementation("com.nhaarman.mockitokotlin2:mockito-kotlin:<version>") {
            exlcude group: "org.mockito", module: "mockito-core"

Solution 2

Don't add mockito-core with mockito-android

Solution 3

Use dependency resolution

in root build.gradle

subprojects {
  configurations.configureEach {
    resolutionStrategy.eachDependency { details ->
      if ( == 'org.objenesis') { 
        details.useVersion '2.6'
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@codecov-commenter codecov-commenter commented Aug 26, 2020

Codecov Report

Merging #2024 into release/3.x will not change coverage.
The diff coverage is n/a.

Impacted file tree graph

@@              Coverage Diff               @@
##             release/3.x    #2024   +/-   ##
  Coverage          84.88%   84.88%           
  Complexity          2703     2703           
  Files                325      325           
  Lines               8198     8198           
  Branches             979      979           
  Hits                6959     6959           
  Misses               968      968           
  Partials             271      271           

Continue to review full report at Codecov.

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@kozaxinan kozaxinan commented Aug 27, 2020

Objenesis 2.6 version is now strictly defined in mockito-android. When mockito-core or mockito-kotlin is added as dependency, there will be version conflict for objenesis 2.6 and 3.1. For helping developer, because reason is added for strict version with suggestion for how to continue.

Could not resolve org.objenesis:objenesis:3.1.
     Required by:
         project :app > org.mockito:mockito-android:3.5.8 > org.mockito:mockito-core:3.5.8
      > Cannot find a version of 'org.objenesis:objenesis' that satisfies the version constraints:
           Dependency path 'is24-android:app:unspecified' --> 'org.mockito:mockito-android:3.5.8' --> 'org.objenesis:objenesis:{strictly 2.6}' because of the following reason: 
        --------------------------------------\     /-------------------------------------
        ---------------------------------------\   /--------------------------------------
        ----------------------------------------\ /---------------------------------------
        Mockito core uses Objenesis 3.x and Objenesis 3.x does not work with android api 25 and below.
        If you have mockito-core dependency with mockito-android, remove mockito-core.
        If you have mockito-kotlin, exclude mockito-core.
        implementation("com.nhaarman.mockitokotlin2:mockito-kotlin") {
            exclude group: "org.mockito", module: "mockito-core"
        For more information please check;
        ----------------------------------------/ \---------------------------------------
        ---------------------------------------/   \--------------------------------------
        --------------------------------------/     \-------------------------------------
           Dependency path 'is24-android:app:unspecified' --> 'org.mockito:mockito-android:3.5.8' --> 'org.mockito:mockito-core:3.5.8' --> 'org.objenesis:objenesis:3.1'
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@TimvdLippe TimvdLippe left a comment

This would work for me. @raphw WDYT?

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@kozaxinan kozaxinan marked this pull request as ready for review Aug 27, 2020
kozaxinan added 2 commits Aug 27, 2020
@kozaxinan kozaxinan changed the title Fixes #2007 : Downgrade objenesis version for mockito-android (WIP) Fixes #2007 : Downgrade objenesis version for mockito-android Aug 28, 2020
@raphw raphw self-requested a review Sep 1, 2020
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@raphw raphw commented Sep 1, 2020

Looks good to me, should we maybe still avoid the ASCII art? This can be difficult to read in some CI environments, I think the message by itself should be sufficient?

raphw approved these changes Sep 1, 2020
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@kozaxinan kozaxinan commented Sep 1, 2020

I added asci art because when you have multiple conflicts, explanation text is between gradle messages. It might not be clear enough for inexperienced dev. That is just an assumption.

Please feel free to adjust if it is needed.

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@TimvdLippe TimvdLippe left a comment

WDYT about this?

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Co-authored-by: Tim van der Lippe <>
@TimvdLippe TimvdLippe merged commit 626d457 into mockito:release/3.x Sep 1, 2020
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@kozaxinan kozaxinan mentioned this pull request Sep 24, 2020
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@madisoncfallin madisoncfallin commented Oct 13, 2020

Hey folks! I hate to beat a merged horse, but I'm having a ton of trouble building locally and it seems to be related to this issue. Can anyone offer me some pointers?

PaulKlauser added a commit to PaulKlauser/mockito that referenced this pull request Mar 31, 2021
TimvdLippe pushed a commit that referenced this pull request Mar 31, 2021
* Revert "Fixes #2007 : Downgrade objenesis version for mockito-android (#2024)"

This reverts commit 626d457.

* Fixes #2007 : Update objenesis version to 3.2 to fix Android incompatibility
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5 participants