Android(安卓)项目打包时出现“TaskExecutionException ：':app:mergeReleaseResources'”

项目打包时出现了一个非常痛苦的错误：

Error:java.util.concurrent.ExecutionException:com.android.builder.internal.aapt.v2.Aapt2Exception: AAPT2 error: check logs for details

可能造成Aapt报错的原因：

1.gradle缓存地址包含中文，改掉就行 setting ->Gradle ->service directory path

2.资源文件不符合要求，要注意排查各种资源文件是否有错，尤其是图片资源。一般来说 .9.png最容易踩坑，因为AS对它的要求更高审查更严格，可以重新编辑图片每个边都加上界定，或者禁用aapt的审查，在builde.gradle中添加：

android {    aaptOptions.cruncherEnabled = false    aaptOptions.useNewCruncher = false}

但是bug这个东西总是千奇百怪，上面只是两个比较常见的例子，所以最好的办法是自己慢慢查错，下面给出一个比较实用的方法

以为自己为例，查看log报错信息如下：

org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:mergeReleaseResources'.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: com.android.build.gradle.tasks.ResourceException: Error: java.util.concurrent.ExecutionException: com.android.builder.internal.aapt.v2.Aapt2Exception: AAPT2 error: check logs for detailsat com.android.build.gradle.tasks.MergeResources.doFullTaskAction(MergeResources.java:296)at com.android.build.gradle.internal.tasks.IncrementalTask.taskAction(IncrementalTask.java:106)at sun.reflect.GeneratedMethodAccessor485.invoke(Unknown Source)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$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:110)at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:92)... 32 moreCaused by: Error: java.util.concurrent.ExecutionException: com.android.builder.internal.aapt.v2.Aapt2Exception: AAPT2 error: check logs for detailsat com.android.ide.common.res2.MergedResourceWriter.end(MergedResourceWriter.java:332)at com.android.ide.common.res2.DataMerger.mergeData(DataMerger.java:301)at com.android.ide.common.res2.ResourceMerger.mergeData(ResourceMerger.java:412)at com.android.build.gradle.tasks.MergeResources.doFullTaskAction(MergeResources.java:285)... 47 moreSuppressed: java.lang.RuntimeException: Some file processing failed, see logs for detailsat com.android.builder.internal.aapt.QueuedResourceProcessor.waitForAll(QueuedResourceProcessor.java:121)at com.android.builder.internal.aapt.QueuedResourceProcessor.end(QueuedResourceProcessor.java:141)at com.android.builder.internal.aapt.v2.QueueableAapt2.close(QueueableAapt2.java:104)at com.android.build.gradle.tasks.MergeResources.doFullTaskAction(MergeResources.java:293)... 47 moreCaused by: java.util.concurrent.ExecutionException: java.util.concurrent.ExecutionException: com.android.builder.internal.aapt.v2.Aapt2Exception: AAPT2 error: check logs for detailsat com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:503)at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:482)at com.google.common.util.concurrent.AbstractFuture$TrustedFuture.get(AbstractFuture.java:79)at com.android.ide.common.res2.MergedResourceWriter.end(MergedResourceWriter.java:327)... 50 moreCaused by: java.util.concurrent.ExecutionException: com.android.builder.internal.aapt.v2.Aapt2Exception: AAPT2 error: check logs for detailsat com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:503)at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:462)at com.google.common.util.concurrent.AbstractFuture$TrustedFuture.get(AbstractFuture.java:79)at com.android.builder.internal.aapt.v2.QueueableAapt2.lambda$compile$0(QueueableAapt2.java:136)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)... 1 moreCaused by: com.android.builder.internal.aapt.v2.Aapt2Exception: AAPT2 error: check logs for detailsat com.android.builder.png.AaptProcess$NotifierProcessOutput.handleOutput(AaptProcess.java:443)at com.android.builder.png.AaptProcess$NotifierProcessOutput.err(AaptProcess.java:395)at com.android.builder.png.AaptProcess$ProcessOutputFacade.err(AaptProcess.java:312)at com.android.utils.GrabProcessOutput$1.run(GrabProcessOutput.java:104)

在查阅了一系列相似错误之后，我试了如下方法：

1、android.enableAapt2=false

看报错很明显是aapt的问题，禁用就ok，然而在AS3.1及之后的版本，你会发现，google居然把它禁用了！会报不应该再使用这一命令的错误，也就是说此路不通

2、利用gradlew compileDebugXXX --stacktrace 命令来定位出错位置

在AS自带的命令行中进行输入：

> gradlew tasks

会输出可使用的命令类似这样

当然我们需要的就是这一块

更简单的就是直接

> gradlew compileDebug

会报错，提示你命令是模糊的，可以使用如下命令：

然后一个一个进行排错，一般来说容易出现问题的是 Resources 和 JavaWithJavac ，如果有bug，会提示你造成错误的原因。

但是痛苦的地方到了，我排查了所有错误，但是打包依旧失败，只是出现打包错误，直接运行没有任何问题，然后想到了报错信息中有Resource ，直觉肯定与资源文件有关，纵观项目文件只有一个png图片是外部导入的，又想到aapt对png图片的审查，于是禁用了审查，再次编译，成功~~~~

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