如何解决如何在Unity项目中查找和修复Android构建失败的源'：transformClassesWithMultidexlistForRelease'
该游戏已经发布了几年，并且已经积累了许多旧的依赖项，例如Swrve，ironsource，Crashlytics（使用Fabric），Facebook等旧版本。我正在更新它们，这导致了各种各样的冲突和构建失败。
我因这次最新的构建失败而陷入困境：
master这不是很具体，但是我确实在研究确保为项目启用了multidex（确实如此，如果我将其关闭，则会收到另一个错误，很明显是超过单个DEX的方法数量）。
我导出了gradle项目，并尝试使用Execution Failed for task ':transformClassesWithMultidexlistForRelease'.
> com.android.build.api.transform.TransformException: Error while generating the main dex list.
选项从命令行进行构建，以获取更多详细信息。注意，我无法使用系统gradle（v6.6），因为Unity生成的项目版本使用了不推荐使用的功能（v5.1.1）。相反，我为Unity使用的内部gradle命令创建了别名。我提取了此处失败的部分。
--debug使用gradle的01:38:01.777 [INFO] [com.android.build.gradle.internal.transforms.D8MainDexListTransform] Generating the main dex list using D8.
01:38:01.778 [INFO] [com.android.build.gradle.internal.transforms.D8MainDexListTransform] Program files:
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/unity-android-resources/build/intermediates/intermediate-jars/release/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/f1a15ce9a3a238f913b1713c5b7eef8e/jars/classes.jar
/Users/turkeybash/.gradle/caches/modules-2/files-2.1/androidx.arch.core/core-common/2.0.0/bb21b9a11761451b51624ac428d1f1bb5deeac38/core-common-2.0.0.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/eafba0cd0d7e84442d378b6269357dc1/jars/classes.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/ironsource/libs/hyprmxadapter.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/6673f931a57b5dd7ba35e730131945d3/jars/classes.jar
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/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/b3224239e209e5cae589d6955f71e794/jars/classes.jar
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/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/549f8a7eb2e15c3019a92607210809fa/jars/classes.jar
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/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/75cf5c04b9976659a3ef67ac8d77f145/jars/classes.jar
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/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/libs/uniClipboard.jar
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/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/d0230fe767ceb118a398ca2c730bf7dd/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/3e9b0c3d5fe551f4ea2a4867ce977cf9/jars/classes.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/libs/unity-classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/a7f0290a194fcc555ea898d4bde46740/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/ffd42a1f3b628f23f04a3a39ad335022/jetified-core-3.3.3.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/cf254de769b28738e6c63506e5f82686/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/743a6a717d00e80cc4b0f8b3839a1ee9/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/a31d30846755b3ff6b2f03ee7b410983/jars/classes.jar
/Users/turkeybash/.gradle/caches/modules-2/files-2.1/androidx.lifecycle/lifecycle-common/2.0.0/e070ffae07452331bc5684734fce6831d531785c/lifecycle-common-2.0.0.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/c30fdf68f92f178ea72e5d137f390b3e/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/fd760d17092eba5c486ea913af538348/jars/classes.jar
/Users/turkeybash/.gradle/caches/modules-2/files-2.1/com.google.auto.value/auto-value-annotations/1.6.5/c3dad10377f0e2242c9a4b88e9704eaf79103679/auto-value-annotations-1.6.5.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/a09c4480412e6a783b1406029f226252/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/8164bfc19e26dce5a908f4991a94ebee/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/543e95802eac363b870360d81de86f4d/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/b6463a160d15f09ed3851863047a8161/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/f941645e1371e163af9938b0062d97c8/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/260bf0740efdb40a73127a21798d1a14/jars/classes.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/ironsource/libs/unityadsadapter.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/ironsource/libs/facebookadapter.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/b45ee707e73a1949fa6a8da3f0cf70a4/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/4f41f9c5806083b563657fe85a4c830d/jetified-mediationsdk-6.13.0.1.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/37bc5e9ec46b9d6acaaf24702cb20df8/jars/classes.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/libs/org.jetbrains-annotations-16.0.1.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/c890ca71b9051456c04468dd219ff709/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/cb85d5c065c74e76671452c3f22f0cb2/jars/classes.jar
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/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/faf7d3eaee1a578117434594c3eba86b/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/5081230f297cc37d85e34361bf683f2f/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/f5c020bf9567cf89dca167ff6265b80b/jars/classes.jar
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/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/b57b2745c98102f954f6c0cd463f47a1/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/2790e9d931fe828f07667e1b0bc06ce1/jars/classes.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/ironsource/libs/admobadapter.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/ironsource/build/intermediates/intermediate-jars/release/classes.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/SwrveSDKPushSupport/bin/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/34cbd0f86be48cda79884cdf97c39407/jetified-bolts-applinks-1.4.0.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/bdec4ab3f67bc66d2c21e2eb0a1a8c1d/jars/classes.jar
/Users/turkeybash/.gradle/caches/modules-2/files-2.1/com.parse.bolts/bolts-tasks/1.4.0/d85884acf6810a3bbbecb587f239005cbc846dc4/bolts-tasks-1.4.0.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/944e4b57ebabd144a5ce0dcea946bcc9/jars/classes.jar
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/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/53396bac2c9f428b56a001c9490a05ed/jars/classes.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/ironsource/libs/android-bridge.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/39a26e542fff640961e0b813c7d42d1d/jars/classes.jar
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/Users/turkeybash/.gradle/caches/modules-2/files-2.1/androidx.collection/collection/1.0.0/42858b26cafdaa69b6149f45dfc2894007bc2c7a/collection-1.0.0.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/f845891ce8b4288176a267ff8a08245d/jars/classes.jar
/Users/turkeybash/.gradle/caches/modules-2/files-2.1/com.google.dagger/dagger/2.27/7bee2792b10523e298a7de508635c6eed0c309be/dagger-2.27.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/607ef9c8e817a0307715c3b318067023/jetified-applovinadapter.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/ironsource/libs/adcolonyadapter.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/ec1f3eb9bae4e8df758580a267cdd167/jars/classes.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/build/intermediates/javac/release/compileReleaseJavaWithJavac/classes
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/libs/com.google.auto.value-auto-value-annotations-1.6.5.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/9d61fe2e60187d2e21fe7ff3edf8bd1d/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/29ef74aa71c0a4fe0ebd973f9c0fb428/jetified-okhttp-3.12.1.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/03a59754e24d260fc305c269c0a69c6d/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/f0e31f146365f5b25fb61cde670b0ed7/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/7b21b4096c47184bdfa164dc8d0ea009/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/bcad103e788ee6b97bf6b052ff358250/jetified-unibillandroid.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/123f8fbe9fbe6ee8cfbc30f9079ac8c0/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/692e68acbb964a6dc022a2eadc9a8f1c/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/c691abf570948f1954570fc7c4dcb272/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/3c2ec62dd8b34d91e1c732f54a7db2a3/jars/classes.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/SwrveSDKUnityBridge/bin/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/b40c7cdba61144dc341675e388f49dc5/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/025ccf4a3abbbcdc5823131f74407c0c/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/6ac1c6e2bc1447551e91d252d85e1baa/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/3e466b7af40b8c861d32d9eb25189058/jetified-okio-1.15.0.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/libs/in-app-purchasing-1.0.3.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/15c5ef78ac2873e0e55b2095be4d970e/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/7108fe7b41612e1952647bc170370efc/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/6081032f7ca98cafd13a9d83e65b8a6c/jars/classes.jar
/Users/turkeybash/Perforce/uname_dependencies/client/Builds/Game/android/Mimetime_gradle2.apk/Star Horse/SwrveSDKUnityBridge/build/intermediates/intermediate-jars/release/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/7aae005f11858b3b3782580528514877/jars/classes.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/e6545e5d81dfd31acd8b7dd2ae0902e7/jetified-AF-Android-SDK.jar
/Users/turkeybash/.gradle/caches/transforms-2/files-2.1/77c4e1f59d89a4925593cf5475857ae2/jars/classes.jar
/Users/turkeybash/.gradle/caches/modules-2/files-2.1/javax.inject/javax.inject/1/6975da39a7040257bd51d21a231b76c915872d38/javax.inject-1.jar
01:38:01.778 [INFO] [com.android.build.gradle.internal.transforms.D8MainDexListTransform] Library files: /Users/turkeybash/Library/Android/sdk/platforms/android-28/android.jar
/Users/turkeybash/Library/Android/sdk/platforms/android-28/optional/org.apache.http.legacy.jar
/Users/turkeybash/Library/Android/sdk/platforms/android-28/optional/android.test.mock.jar
/Users/turkeybash/Library/Android/sdk/platforms/android-28/optional/android.test.base.jar
/Users/turkeybash/Library/Android/sdk/platforms/android-28/optional/android.test.runner.jar
选项产生以下结果。
--stacktrace因此解决该问题似乎是找出正在使用哪个依赖项的程序。我不确定当时该怎么做，因为这些都是预编译的外部库。我也不知道如何找到哪个特定依赖项。
解决方法
最后，我写了一个遍历.apk目录内容的实用程序，找到了.jar和.aar文件，并将它们解压缩到子目录中，从而解决了这个问题。这也可以手动完成，也不需要脚本。您会在该项目中包含Mimetime_gradle2.apk/Star Horse/的日志行中看到对这些文件的引用。
解压缩所有这些文件后，只需使用--stacktrace递归搜索父目录中对gradle命令输出中调用的库的引用即可。在这种情况下，它是com.google.auto.value.extension.memoized.Memoized
这只是从Unity项目中删除包含它的一个库的问题。在这种情况下，它是ExternalDependencyManager附带的另一个库的过时副本。
困难在于您需要从Unity构建菜单中导出gradle项目，而不是直接构建APK。然后，您需要复制特定版本的Unity使用的特定gradle版本的命令，并使用--stacktrace选项运行该命令，以获取需要标识重复软件包的输出。然后，您可以解压缩生成的构建目录（代替APK文件）并在其中搜索有问题的软件包。
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