Android Gson:由于策略错误，无法编译项目

我正在接管一个项目，但它没有编译。当我构建它时，我得到了以下错误：

程序类型已存在：com.google.gson.com

就我所见，我的项目中没有使用排除策略。我真的不知道如何找到解决办法

下面是完整的错误堆栈

org.gradle.api.tasks.TaskExecutionException:的执行失败 任务 “：示例mpa ui:TransformDexArchiveWithExternallIBSDEXmergePerformyProjectModelDebug”。 位于org.gradle.api.internal.tasks.ExecuteActionsTaskExecuter.executeActions（ExecuteActionsTaskExecuter.java:100） 位于org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute（ExecuteActionsTaskExecuter.java:70） 位于org.gradle.api.internal.tasks.execution.OutputDirectoryCreatingTaskExecuter.execute（OutputDirectoryCreatingTaskExecuter.java:51） 位于org.gradle.api.internal.tasks.execution.skipptodatetaskexecuter.execute（skipptodatetaskexecuter.java:62） 位于org.gradle.api.internal.tasks.execution.ResolveTaskOutputCachingStateExecuter.execute（ResolveTaskOutputCachingStateExecuter.java:54） 位于org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute（ValidatingTaskExecuter.java:60） 位于org.gradle.api.internal.tasks.execution.skipmptysourcefilestaskexecuter.execute（skipmptysourcefilestaskexecuter.java:97） 位于org.gradle.api.internal.tasks.execution.cleanupstaleoutputsecuter.execute（cleanupstaleoutputsecuter.java:87） 位于org.gradle.api.internal.tasks.execution.ResolveTaskArtifactStateTaskExecuter.execute（ResolveTaskArtifactStateTaskExecuter.java:52） 位于org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute（SkipTaskWithNoActionsExecuter.java:52） 位于org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute（SkipOnlyIfTaskExecuter.java:54） 位于org.gradle.api.internal.tasks.ExecuteAtMostOnceTaskExecuter.execute（ExecuteAtMostOnceTaskExecuter.java:43） 位于org.gradle.api.internal.tasks.execution.catchExceptionTaskKexecuter.execute（catchExceptionTaskKexecuter.java:34） 位于org.gradle.execution.taskgraph.DefaultTaskGrapherExecuter$EventFiringTaskWorker$1.run（DefaultTaskGrapherExecuter.java:248） 位于org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute（DefaultBuildOperationExecutor.java:336） 在org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute（DefaultBuildOperationExecutor.java:328） 位于org.gradle.internal.progress.DefaultBuildOperationExecutor.execute（DefaultBuildOperationExecutor.java:199） 位于org.gradle.internal.progress.DefaultBuildOperationExecutor.run（DefaultBuildOperationExecutor.java:110） 位于org.gradle.execution.taskgraph.DefaultTaskGrapherExecuter$EventFiringTaskWorker.execute（DefaultTaskGrapherExecuter.java:241） 位于org.gradle.execution.taskgraph.DefaultTaskGrapherExecuter$EventFiringTaskWorker.execute（DefaultTaskGrapherExecuter.java:230） 位于org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.processTask（DefaultTaskPlanExecutor.java:123） 位于org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.access$200（DefaultTaskPlanExecutor.java:79） 位于org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute（DefaultTaskPlanExecutor.java:104） 位于org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute（DefaultTaskPlanExecutor.java:98） 位于org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.execute（DefaultTaskExecutionPlan.java:626） 位于org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.executeWithTask（DefaultTaskExecutionPlan.java:581） 位于org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.run（DefaultTaskPlanExecutor.java:98） 位于org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute（ExecutorPolicy.java:63） 位于org.gradle.internal.concurrent.ManagedExecutorImpl$1.run（ManagedExecutorImpl.java:46） 位于java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1149） 位于java.util.concurrent.ThreadPoolExecutor$Worker.run（ThreadPoolExecutor.java:624） 位于org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run（ThreadFactoryImpl.java:55） 运行（Thread.java:748） 原因：java.lang.RuntimeException:com.android.builder.dexing.DexArchiveMergerException:运行时出错 合并dex档案： C:\Sources\MyProject\build\mediates\transforms\dexBuilder\MyProjectModel\debug\0.jar， C:\Sources\MyProject\build\mediates\transforms\dexBuilder\MyProjectModel\debug\1.jar， C:\Sources\MyProject\build\mediates\transforms\dexBuilder\MyProjectModel\debug\2.jar， C:\Sources\MyProject\build\mediates\transforms\dexBuilder\MyProjectModel\debug\3.jar， C:\Sources\MyProject\build\mediates\transforms\dexBuilder\MyProjectModel\debug\4.jar， C:\Sources\MyProject\build\mediates\transforms\dexBuilder\MyProjectModel\debug\5.jar， C:\Sources\MyProject\build\mediates\transforms\dexBuilder\MyProjectModel\debug\6.jar， C:\Sources\MyProject\build\mediates\transforms\dexBuilder\MyProjectModel\debug\7.jar， C:\Sources\MyProject\build\mediates\transforms\dexBuilder\MyProjectModel\debug\8.jar， C:\Sources\MyProject\build\mediates\transforms\dexBuilder\MyProjectModel\debug\9.jar， C:\Sources\MyProject\build\mediates\transforms\dexBuilder\MyProjectModel\debug\10.jar， C:\Sources\MyProject\build\mediates\transforms\dexBuilder\MyProjectModel\debug\11.jar， C:\Sources\MyProject\build\mediates\transforms\dexBuilder\MyProjectModel\debug\12.jar， C:\Sources\MyProje

def app_version = 'v0.0.1'
def version = '0.0.1

android {
    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 GroovyAssignabilityCheck
dependencies {
    // 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'
}

android {
    defaultConfig {
       multiDexEnabled true
    }
}