android – Gson：由于ExclusionStrategy错误导致无法编译项目

概述我正在接管一个项目而且它没有编译.当我构建它时,我收到以下错误： Program type already present: com.google.gson.ExclusionStrategy 据我所见,我的项目中没有使用ExclusionStrategy.我真的不知道如何找到解决方案…… 下面是完整的错误堆栈. org.gradle.api.tasks.TaskExecutionExceptio 我正在接管一个项目而且它没有编译.当我构建它时,我收到以下错误：

Program type already present: com.Google.gson.ExclusionStrategy

据我所见,我的项目中没有使用ExclusionStrategy.我真的不知道如何找到解决方案……

下面是完整的错误堆栈.

org.gradle.API.tasks.TaskExecutionException: Execution Failed for
task
‘:sample-mpa-ui:@R_404_4154@DexArchiveWithExternallibsDexMergerForMyProjectModelDeBUG’.
at org.gradle.API.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:100)
at org.gradle.API.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:70)
at org.gradle.API.internal.tasks.execution.OutputDirectoryCreatingTaskExecuter.execute(OutputDirectoryCreatingTaskExecuter.java:51)
at org.gradle.API.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:62)
at org.gradle.API.internal.tasks.execution.ResolveTaskOutputCachingStateExecuter.execute(ResolveTaskOutputCachingStateExecuter.java:54)
at org.gradle.API.internal.tasks.execution.ValIDatingTaskExecuter.execute(ValIDatingTaskExecuter.java:60)
at org.gradle.API.internal.tasks.execution.SkipEmptySourcefilesTaskExecuter.execute(SkipEmptySourcefilesTaskExecuter.java:97)
at org.gradle.API.internal.tasks.execution.CleanupStaleoutputsExecuter.execute(CleanupStaleoutputsExecuter.java:87)
at org.gradle.API.internal.tasks.execution.ResolveTaskArtifactStateTaskExecuter.execute(ResolveTaskArtifactStateTaskExecuter.java:52)
at org.gradle.API.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
at org.gradle.API.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:54)
at org.gradle.API.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
at org.gradle.API.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:34)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker$1.run(DefaultTaskGraphExecuter.java:248)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:241)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:230)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.processtask(DefaultTaskPlanExecutor.java:123)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.access$200(DefaultTaskPlanExecutor.java:79)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:104)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:98)
at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.execute(DefaultTaskExecutionPlan.java:626)
at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.executeWithTask(DefaultTaskExecutionPlan.java:581)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.run(DefaultTaskPlanExecutor.java:98)
at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: com.androID.builder.dexing.DexArchiveMergerException: Error while
merging dex archives:
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\0.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\1.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\2.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\3.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\4.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\5.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\6.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\7.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\8.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\9.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\10.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\11.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\12.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\13.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\14.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\15.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\16.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\17.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\18.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\19.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\20.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\21.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\22.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\23.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\24.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\25.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\26.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\27.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\28.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\29.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\30.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\31.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\32.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\33.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\34.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\35.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\36.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\37.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\38.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\39.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\40.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\41.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\42.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\43.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\44.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\45.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\46.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\47.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\48.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\49.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\50.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\51.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\52.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\53.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\54.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\55.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\56.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\57.jar
at com.androID.builder.profile.Recorder$Block.handleException(Recorder.java:55)
at com.androID.builder.profile.ThreadRecorder.record(ThreadRecorder.java:104)
at com.androID.build.gradle.internal.pipeline.@R_404_4154@Task.@R_404_4154@(@R_404_4154@Task.java:212)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
at org.gradle.API.internal.project.taskfactory.IncrementalTaskAction.doExecute(IncrementalTaskAction.java:46)
at org.gradle.API.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:39)
at org.gradle.API.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:26)
at org.gradle.API.internal.tasks.execution.ExecuteActionsTaskExecuter$1.run(ExecuteActionsTaskExecuter.java:121)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)
at org.gradle.API.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:110)
at org.gradle.API.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:92)
… 32 more
Caused by: com.androID.builder.dexing.DexArchiveMergerException: Error while merging dex archives:
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\0.jar,
C:\Sources\MyProject\build\intermediates\@R_404_4154@s\dexBuilder\MyProjectModel\deBUG\57.jar
at com.androID.builder.dexing.D8DexArchiveMerger.getExceptionToRethrow(D8DexArchiveMerger.java:124)
at com.androID.builder.dexing.D8DexArchiveMerger.mergeDexArchives(D8DexArchiveMerger.java:109)
at com.androID.build.gradle.internal.@R_404_4154@s.DexMerger@R_404_4154@Callable.call(DexMerger@R_404_4154@Callable.java:101)
at com.androID.build.gradle.internal.@R_404_4154@s.ExternallibsMerger@R_404_4154@.@R_404_4154@(ExternallibsMerger@R_404_4154@.kt:123)
at com.androID.build.gradle.internal.pipeline.@R_404_4154@Task$2.call(@R_404_4154@Task.java:221)
at com.androID.build.gradle.internal.pipeline.@R_404_4154@Task$2.call(@R_404_4154@Task.java:217)
at com.androID.builder.profile.ThreadRecorder.record(ThreadRecorder.java:102)
… 48 more
Caused by: com.androID.tools.r8.CompilationFailedException: Compilation Failed to complete
at com.androID.tools.r8.utils.ExceptionUtils.withCompilationHandler(ExceptionUtils.java:76)
at com.androID.tools.r8.utils.ExceptionUtils.withD8CompilationHandler(ExceptionUtils.java:45)
at com.androID.tools.r8.D8.run(D8.java:88)
at com.androID.builder.dexing.D8DexArchiveMerger.mergeDexArchives(D8DexArchiveMerger.java:107)
… 53 more
Caused by: com.androID.tools.r8.utils.AbortException
at com.androID.tools.r8.utils.Reporter.failifPendingErrors(Reporter.java:77)
at com.androID.tools.r8.utils.Reporter.fatalError(Reporter.java:58)
at com.androID.tools.r8.utils.ExceptionUtils.withCompilationHandler(ExceptionUtils.java:67)
… 56 more

下面是项目的build.gradle
    apply plugin：’com.androID.application’

def app_version = 'v0.0.1'def version = '0.0.1androID {    compileSdkVersion project.ext.globalCompileSdkVersion    buildToolsversion project.ext.globalBuildToolsversion    defaultConfig {        applicationID "com.sample.companyname"        minSdkVersion project.ext.globalMinSdkVersion        targetSdkVersion project.ext.globalTargetSdkVersion        versionCode 74        versionname app_version        multIDexEnabled true    }    compileOptions {        //noinspection GroovyAssignabilityCheck        sourceCompatibility JavaVersion.VERSION_1_7        //noinspection GroovyAssignabilityCheck        targetCompatibility JavaVersion.VERSION_1_7    }    // This has been added to deal with a duplicate file when using    // apache commons-codec and commons-valIDators    packagingOptions {        pickFirst 'meta-inf/DEPENDENCIES.txt'        pickFirst 'meta-inf/DEPENDENCIES'        pickFirst 'meta-inf/dependencIEs.txt'        pickFirst 'meta-inf/liCENSE.txt'        pickFirst 'meta-inf/liCENSE'        pickFirst 'meta-inf/license.txt'        pickFirst 'meta-inf/LGPL2.1'        pickFirst 'meta-inf/NOTICE.txt'        pickFirst 'meta-inf/NOTICE'        pickFirst 'meta-inf/notice.txt'    }    signingConfigs {        deBUG {            //noinspection GroovyAssignabilityCheck            storefile file('../keystore/product.keystore')            storePassword "dont"            keyAlias "even"            keyPassword "try"        }        release {            //noinspection GroovyAssignabilityCheck            storefile file('../keystore/product.keystore')            storePassword "dont"            keyAlias "even"            keyPassword "try"        }    }    //noinspection GroovyAssignabilityCheck    buildTypes {        deBUG {            applicationIDSuffix ".deBUG"            deBUGgable true        }        release {            deBUGgable false            MinifyEnabled true            shrinkResources false            proguardfiles getDefaultProguardfile('proguard-androID-optimize.txt'),'proguard-rules.pro'            signingConfig signingConfigs.release        }    }    flavorDimensions 'tIEr'    productFlavors {        sampleFlavor1 {            dimension 'tIEr'        }        sampleFlavor2 {            dimension 'tIEr'        }        sampleFlavor3 {            dimension 'tIEr'        }        sampleFlavor4 {            dimension 'tIEr'        }    }    sourceSets {        main.java.srcDirs = ['src/main/java']    }    lintoptions {        abortOnError false    }}//noinspection GroovyAssignabilityCheckdependencIEs {    // Project dependencIEs    implementation project(':module-1')    implementation project(':module-2')    implementation project(':module-3')    implementation project(':module-4')    implementation project(':module-5')    implementation(name: 'lib-a-2.1.1-release',ext: 'aar')    implementation(name: 'lib-b-2.1.1-release',ext: 'aar')    implementation(name: 'lib-c-2.1.1-release',ext: 'aar')    implementation(name: 'lib-d-2.1.1-release',ext: 'aar')    implementation 'com.Google.code.gson:gson:2.8.0'    implementation 'com.nostra13.universalimageloader:universal-image-loader:1.9.3'    implementation('commons-codec:commons-codec:1.10')    implementation('commons-valIDator:commons-valIDator:1.4.0') {        exclude group: 'commons-logging',module: 'commons-logging'        exclude group: 'commons-digester',module: 'commons-digester'        exclude group: 'commons-beanutils',module: 'commons-beanutils'        exclude group: 'commons-collections',module: 'commons-collections'    }    implementation "com.Google.androID.gms:play-services-nearby:$play_services_version"    implementation "com.Google.androID.gms:play-services-gcm:$play_services_version"    implementation 'com.androID.support:multIDex:1.0.3'    implementation "com.androID.support:appcompat-v7:$support_version"    implementation "com.androID.support:design:$support_version"    implementation "com.androID.support:support-annotations:$support_version"    implementation "com.androID.support.constraint:constraint-layout:1.0.2"    // Test dependencIEs    androIDTestImplementation 'com.squareup.okhttp:mockwebserver:2.3.0'    androIDTestImplementation 'com.jayway.androID.robotium:robotium-solo:5.2.1'    testImplementation 'junit:junit:4.12'}

解决方法 检查lib文件夹中是否有任何gson jar. 我在lib目录中遇到了同样的问题和gson-2.2.4.jar. 删除它对我有用. 总结

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