app：transformClassesWithDesugarForMockDebug使用Android Studio 3 canary 1

Question

我刚刚从Canary频道安装了AS 3.0，通过从gradle中删除lambda插件并添加了flavorDimensions来添加Java 8迁移，这就发生了！ ：

  

错误：java.lang.ClassNotFoundException：类rx.Observable not foundError：任务＆＃39;：app：transformClassesWithDesugarForMockDebug＆＃39;执行失败。   com.android.build.api.transform.TransformException：java.lang.RuntimeException：java.lang.RuntimeException：com.android.ide.common.process.ProcessException：使用主类com.google.devtools执行java进程时出错。 build.android.desugar.Desugar with arguments {--input C：\ Users \ aloua \ StudioProjects \ Android-app \ app \ build \ intermediates \ classes \ mock \ debug --output C：\ Users \ aloua \ StudioProjects \ Android -app \ app \ build \ intermediates \ transforms \ desugar \ mock \ debug \ 66 --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ realm-android-library-3.1.3。 aar \ 3a04a9460f65e9c7adc9fec0b293596b \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ io.realm \ realm-annotations \ 3.1.3 \ b4ecd87169faeee5abfb6c4793713cc1a14b1c25 \ realm-annotations-3.1 .3.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ relinker-1.2.2.aar \ c529baaf39a0040a46d0144283003ac7 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua .gradle \缓存\变换-1 \文件-1.1 \ cardview-v7-25.3.1.aar \ 608b30c5911dfbe767d466ea52dbc4cf \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ materialsearchview-1.4.0.aar \ 772ec339f058d58490b3f76f26e1a063 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ org.parceler \ parceler-api \ 1.1.6 \ 2a06b6b1ecf5dadee8a874dfb51ad018fde3e6c5 \ parceler-api-1.1.6 .jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ fresco-1.3.0.aar \ 107689f0e7d0c930711e69c11d5380fb \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ drawee-1.3.0.aar \ 7e4b5d94b102451de14154fa2b6cbb63 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ imagepipeline- 1.3.0.aar \ acb7e3fa37de5d2805c481dff1f2a767 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ imagepipeline-base-1.3.0.aar \ cb00a7f90c4bb43ca29421300396dbed \ jars \ classes .jar --classpath_entry C：\ Users \ aloua.gradle \ cac hes \ modules-2 \ files-2.1 \ com.parse.bolts \ bolts-tasks \ 1.4.0 \ d85884acf6810a3bbbecb587f239005cbc846dc4 \ bolts-tasks-1.4.0.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms -1 \ files-1.1 \ fbcore-1.3.0.aar \ a169237b2b603f40b5cc7559b7a31bc3 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ com.amulyakhare.textdrawable- 1.0.1.aar \ 96e46415620ff0fa2bfb3c78fd979563 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ ShimmerRecyclerView-v1.0.aar \ 4d8b45ee77f1b1f45cc5fade7d6c8544 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ play-services-auth-10.2.1.aar \ d0689f87cee19fac261f377f0e7a1c62 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua .gradle \ caches \ transforms-1 \ files-1.1 \ play-services-auth-base-10.2.1.aar \ 9ca0ac3d8ab7534bffa1d6bc25165359 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms- 1个\文件-1.1 \播放服务碱基10.2.1.aar \ 23b5fcb4d98aa5e5499b36a97ce12 d5b \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ timber-4.5.1.aar \ 1dfd702c738fe97f2f60269b59529732 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ butterknife-8.5.1.aar \ 8a0abdfe1e73e4c945e1893831a0099e \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files -2.1 \ com.jakewharton \ butterknife-annotations \ 8.5.1 \ bb67dad90bab7cd77a8f7f1b8442b47e3a2326bc \ butterknife-annotations-8.5.1.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ bottom- bar-2.3.1.aar \ 27503b845f262ddc7a8390675c172429 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ design-25.3.1.aar \ d9003afb246775ad7f3227f26dbd2c50 \ jars \ classes .jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ appcompat-v7-25.3.1.aar \ fa8444aaec30851036772ada99ae587b \ jars \ classes.jar --classpath_entry C：\ Users \ aloua .gradle \缓存\变换-1 \文件-1.1 \过渡25.3.1.a ar \ a1caf2c053ce72f2c1cc2a38b446a266 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ constraint-layout-1.0.2.aar \ 53b9e5576ca52201ba6284537b7411fe \ jars \ classes.jar - classpath_entry C：\ Users \ aloua \ AppData \ Local \ Android \ Sdk \ extras \ m2repository \ com \ android \ support \ constraint \ constraint-layout-solver \ 1.0.2 \ constraint-layout-solver-1.0.2.jar - -classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ com.google.dagger \ dagger \ 2.10 \ 72b1eae80561b66f0a24b300ab0dfafde959eb58 \ dagger-2.10.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ modules-2 \ files-2.1 \ javax.inject \ javax.inject \ 1 \ 6975da39a7040257bd​​51d21a231b76c915872d38 \ javax.inject-1.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ stetho_realm-2.0.0.aar \ b984f2308cf31bf2a0edd04ba052d20a \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ com.squareup.okhttp3 \ okhttp \ 3.7.0 \ 6edbebdd8868708db718d15c09c4b28037fd487e \ okhttp-3.7.0.jar --classpath_条目C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ fab-1.6.4.aar \ 4e0107f50e09eecac59a6d385fc8d9fd \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms -1 \ files-1.1 \ core-0.9.4.4.aar \ b724059b42a075af0ae365f10467793c \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ support-v13-25.3。 1.aar \ d832960f24588717e20cf14002ce81ae \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ recyclerview-v7-25.3.1.aar \ 20c34e2f84f5277f609ec66bdebca6f4 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ library-1.4.0.aar \ 4d27304516edb2425e1bb624ef8fcfcb \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ animated-vector-drawable-25.3.1.aar \ 21fb8dba0ac7495d6c2422ee86d3b683 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ support-vector-drawable-25.3.1.aar \ b97d09f91d992d9796009835d49ad0b8 \ jars \ classes.jar - classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ switch-button-0.0.3.aar \ fc661d74aaaaf6a213c7486e17034203 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ BaseRecyclerViewAdapterHelper-2.9.14.aar \ 7a37e0cceef2c2917ee6ca492125b32a \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ com.squareup。 okhttp3 \ logging-interceptor \ 3.6.0 \ 81887458b69ddc32722df7e4c35235fd74e6a8ba \ logging-interceptor-3.6.0.jar --classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ com.squareup.okhttp3 \ okhttp -urlconnection \ 3.4.1 \ 63994437f62bc861bc20c605d12962f7246116d1 \ okhttp-urlconnection-3.4.1.jar --classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ com.squareup.retrofit2 \ retrofit \ 2.2。 0 \ 41e67dba73c3347e4503761642c39d0e06ca1f2 \ retrofit-2.2.0.jar --classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ com.squareup.retrofit2 \ converter-gson \ 2.2.0 \ a09926806199499a20b2f5168779499abfa33342 \ converter -gson-2.2.0.jar --classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ com.google.code.gson \ gson \ 2.7 \ 751f548c85fa49f330cecbb1875893f971b33c4e \ gson-2.7.jar - -classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ com.squareup.retrofit2 \ adapter-rxjava2 \ 2.2.0 \ 3ee0e527143abbe130ddba4c1fa6c4be5d66ed5c \ adapter-rxjava2-2.2.0.jar --classpath_entry C ：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ com.squareup.okio \ okio \ 1.12.0 \ 3742beff8024d0a0073d284b7c5e4cbf73d99b25 \ _ okio-1.12.0.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ modules-2 \ files-2.1 \ io.reactivex.rxjava2 \ rxjava \ 2.1.0 \ 2fdf84dedcaaeabb9d70cde9dbb8aad4eccb80a1 \ rxjava-2.1.0.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ rxandroid-2.0.1.aar \ 7346ca39f4859f61fe88ce103bf22c71 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ org.reactivestreams \ reactive-streams \ 1.0 .0 \ 14b8c877d98005ba3941c9257cfe09f6ed0e0d74 \ reactive-streams-1.0.0.jar --classpath_entry C：\ Us ers \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ firebase-core-10.2.1.aar \ 8f411a56c2b0443545d20916019187da \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ firebase-analytics-10.2.1.aar \ 96e2cbac4d4d4997dc9d9d69b0b3a3bb \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ firebase-analytics-impl- 10.2.1.aar \ 37f464c76ea7fd568ad310975744ccb8 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ firebase-iid-10.2.1.aar \ 1d69f273f02df02573752d82758b8bf5 \ jars \ classes .jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ firebase-common-10.2.1.aar \ d0fa340f22819dd7cab540a77ab999c6 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua .gradle \ caches \ transforms-1 \ files-1.1 \ play-services-tasks-10.2.1.aar \ 5055e34ab40570155aa284f9d9f36ae4 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \文件-1.1 \播放服务，地下室10.2.1.aar \ ca2ff208a30aa024376a6d8d0a9 752fa \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ support-v4-25.3.1.aar \ f313fd53777e842a7357a2b71a172088 \ jars \ classes.jar --classpath_entry C ：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ support-fragment-25.3.1.aar \ 1d0873f399e417d0d1e226d4165b0fac \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms -1 \ files-1.1 \ support-media-compat-25.3.1.aar \ d805adb7eeb8801409f04c3860693be3 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ support- core-ui-25.3.1.aar \ cb5255ae27edc1c3ead0357980c8de67 \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ support-core-utils-25.3.1.aar \ dc3f5197938f4fe1916d4d4264da9dbb \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ support-compat-25.3.1.aar \ a52ea2edbf7430962147eae85e0ef919 \ jars \ classes.jar --classpath_entry C：\ Users \用户aloua \应用程序数据\本地\ Android的\ SDK \演员\机器人\ m2repository \ COM \一ndroid \ support \ support-annotations \ 25.3.1 \ support-annotations-25.3.1.jar --classpath_entry C：\ Users \ aloua.gradle \ caches \ transforms-1 \ files-1.1 \ stetho-1.5.0.aar \ 5c385a73f16724a342ad1f92d6fcc01e \ jars \ classes.jar --classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ commons-cli \ commons-cli \ 1.2 \ 2bf96b7aa8b611c177d329452af1dc933e14501c \ commons-cli-1.2.jar - -classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ com.google.code.findbugs \ jsr305 \ 2.0.1 \ 516c03b21d50a644d538de0f0369c620989cd8f0 \ jsr305-2.0.1.jar --classpath_entry C：\用户\ aloua \ StudioProjects \ Android-app \ app \ build \ intermediates \ classes \ mock \ debug --classpath_entry C：\ Users \ aloua.gradle \ _caches \ modules-2 \ files-2.1 \ javax.annotation \ jsr250-api \ 1.0 \ 5025422767732a1ab45d93abfea846513d742dcf \ jsr250-api-1.0.jar --classpath_entry C：\ Users \ aloua \ AppData \ Local \ Android \ Sdk \ platforms \ android-25 \ android.jar --classpath_entry C：\ Users \ aloua \ AppData \ Local \ Android \ Sdk \ platforms \ android-25 \ optional \ org.apache.http.legacy.jar - -bootclasspath_entry C：\ Users \ aloua \ android-studio \ jre \ jre \ lib \ resources.jar --bootclasspath_entry C：\ Users \ aloua \ android-studio \ jre \ jre \ lib \ rt.jar --bootclasspath_entry C： \ Users \ aloua \ android-studio \ jre \ jre \ lib \ jsse.jar --bootclasspath_entry C：\ Users \ aloua \ android-studio \ jre \ jre \ lib \ jce.jar --bootclasspath_entry C：\ Users \ aloua \ android-studio \ jre \ jre \ lib \ charsets.jar --min_sdk_version 15 --desugar_try_with_resources_if_needed --desugar_try_with_resources_omit_runtime_classes}

我的gradle文件：

flavorDimensions "environment"
  productFlavors {
    mock {
      dimension "environment"
      applicationIdSuffix = ".mock"
    }
    prod {
      dimension "environment"
      applicationIdSuffix = ".prod"
    }
  }

  // Remove mockRelease
  android.variantFilter { variant ->
    if (variant.buildType.name == 'release' && variant.getFlavors().get(0).name == 'mock') {
      variant.setIgnore(true);
    }
  }

  // Always show the result of every unit test, even if it passes.
  testOptions.unitTests.all {
    testLogging {
      events 'passed', 'skipped', 'failed', 'standardOut', 'standardError'
    }
  }

  compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_8
    targetCompatibility JavaVersion.VERSION_1_8
  }
  lintOptions {
    abortOnError false
  }

  packagingOptions {
    // Remove unneeded Realm native libs
    exclude 'lib/mips/librealm-jni.so'
    exclude 'lib/x86_64/librealm-jni.so'
  }
}

Answer 1

虽然我使用的是RxJava 2，但为了解决这个问题，我不得不这样做：

创建一个如下所示的空虚拟文件：

package rx;

public class Observable {

}