log提示修复成功，页面一直卡着不动，黑屏

在提交issue之前，我们应该先查询是否已经有相关的issue和ReadMe中的注意事项，比如说Robust在0.3.3版本才支持windows开发。提交issue时，我们需要写明issue的原因，最好可以携带编译或运行过程的日志或者截图。issue最好以下面的格式提出：

异常类型：patch打包失败

Robust版本：如:0.4.87

Gradle版本：如:3.4.1

系统：Windows

堆栈/日志：

• Exception is:
  org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:transformClassesWithAutoPatchTransformForRelease'.
  at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:95)
  at org.gradle.api.internal.tasks.execution.ResolveTaskOutputCachingStateExecuter.execute(ResolveTaskOutputCachingStateExecuter.java:91)
  at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:57)
  at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:119)
  at org.gradle.api.internal.tasks.execution.ResolvePreviousStateExecuter.execute(ResolvePreviousStateExecuter.java:43)
  at org.gradle.api.internal.tasks.execution.CleanupStaleOutputsExecuter.execute(CleanupStaleOutputsExecuter.java:93)
  at org.gradle.api.internal.tasks.execution.FinalizePropertiesTaskExecuter.execute(FinalizePropertiesTaskExecuter.java:45)
  at org.gradle.api.internal.tasks.execution.ResolveTaskArtifactStateTaskExecuter.execute(ResolveTaskArtifactStateTaskExecuter.java:94)
  at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:56)
  at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:55)
  at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:36)
  at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.executeTask(EventFiringTaskExecuter.java:67)
  at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:52)
  at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:49)
  at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:315)
  at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:305)
  at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:175)
  at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:101)
  at org.gradle.internal.operations.DelegatingBuildOperationExecutor.call(DelegatingBuildOperationExecutor.java:36)
  at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter.execute(EventFiringTaskExecuter.java:49)
  at org.gradle.execution.plan.LocalTaskNodeExecutor.execute(LocalTaskNodeExecutor.java:43)
  at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:355)
  at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:343)
  at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:336)
  at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:322)
  at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker$1.execute(DefaultPlanExecutor.java:134)
  at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker$1.execute(DefaultPlanExecutor.java:129)
  at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.execute(DefaultPlanExecutor.java:202)
  at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.executeNextNode(DefaultPlanExecutor.java:193)
  at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.run(DefaultPlanExecutor.java:129)
  at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
  at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
  at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
  Caused by: java.lang.RuntimeException: javassist.CannotCompileException: [source error] incompatible type for =
  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.TransformTask.transform(TransformTask.java:230)
  at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
  at org.gradle.api.internal.project.taskfactory.IncrementalTaskAction.doExecute(IncrementalTaskAction.java:47)
  at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:41)
  at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:28)
  at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$2.run(ExecuteActionsTaskExecuter.java:284)
  at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:301)
  at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:293)
  at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:175)
  at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:91)
  at org.gradle.internal.operations.DelegatingBuildOperationExecutor.run(DelegatingBuildOperationExecutor.java:31)
  at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:273)
  at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:258)
  at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.access$200(ExecuteActionsTaskExecuter.java:67)
  at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$TaskExecution.execute(ExecuteActionsTaskExecuter.java:145)
  at org.gradle.internal.execution.impl.steps.ExecuteStep.execute(ExecuteStep.java:49)
  at org.gradle.internal.execution.impl.steps.CancelExecutionStep.execute(CancelExecutionStep.java:34)
  at org.gradle.internal.execution.impl.steps.TimeoutStep.executeWithoutTimeout(TimeoutStep.java:69)
  at org.gradle.internal.execution.impl.steps.TimeoutStep.execute(TimeoutStep.java:49)
  at org.gradle.internal.execution.impl.steps.CatchExceptionStep.execute(CatchExceptionStep.java:33)
  at org.gradle.internal.execution.impl.steps.CreateOutputsStep.execute(CreateOutputsStep.java:50)
  at org.gradle.internal.execution.impl.steps.SnapshotOutputStep.execute(SnapshotOutputStep.java:43)
  at org.gradle.internal.execution.impl.steps.SnapshotOutputStep.execute(SnapshotOutputStep.java:29)
  at org.gradle.internal.execution.impl.steps.CacheStep.executeWithoutCache(CacheStep.java:134)
  at org.gradle.internal.execution.impl.steps.CacheStep.lambda$execute$3(CacheStep.java:83)
  at org.gradle.internal.execution.impl.steps.CacheStep.execute(CacheStep.java:82)
  at org.gradle.internal.execution.impl.steps.CacheStep.execute(CacheStep.java:36)
  at org.gradle.internal.execution.impl.steps.PrepareCachingStep.execute(PrepareCachingStep.java:33)
  at org.gradle.internal.execution.impl.steps.StoreSnapshotsStep.execute(StoreSnapshotsStep.java:38)
  at org.gradle.internal.execution.impl.steps.StoreSnapshotsStep.execute(StoreSnapshotsStep.java:23)
  at org.gradle.internal.execution.impl.steps.SkipUpToDateStep.executeBecause(SkipUpToDateStep.java:96)
  at org.gradle.internal.execution.impl.steps.SkipUpToDateStep.lambda$execute$0(SkipUpToDateStep.java:89)
  at org.gradle.internal.execution.impl.steps.SkipUpToDateStep.execute(SkipUpToDateStep.java:52)
  at org.gradle.internal.execution.impl.steps.SkipUpToDateStep.execute(SkipUpToDateStep.java:36)
  at org.gradle.internal.execution.impl.DefaultWorkExecutor.execute(DefaultWorkExecutor.java:34)
  at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:91)
  ... 32 more
  Caused by: javassist.CannotCompileException: [source error] incompatible type for =
  at javassist.expr.Cast.replace(Cast.java:127)
  at javassist.expr.Cast$replace.call(Unknown Source)
  at com.meituan.robust.autopatch.PatchesFactory$1.edit(PatchesFactory.groovy:128)
  at javassist.expr.ExprEditor.loopBody(ExprEditor.java:241)
  at javassist.expr.ExprEditor.doit(ExprEditor.java:91)
  at javassist.CtBehavior.instrument(CtBehavior.java:712)
  at javassist.CtBehavior$instrument$1.call(Unknown Source)
  at com.meituan.robust.autopatch.PatchesFactory.createPatchClass(PatchesFactory.groovy:78)
  at com.meituan.robust.autopatch.PatchesFactory.createPatch(PatchesFactory.groovy:352)
  at com.meituan.robust.autopatch.PatchesFactory$createPatch$1.call(Unknown Source)
  at com.meituan.robust.autopatch.InlineClassFactory.dealInLineClass(InlineClassFactory.groovy:45)
  at com.meituan.robust.autopatch.InlineClassFactory$dealInLineClass$1.call(Unknown Source)
  at com.meituan.robust.autopatch.InlineClassFactory.dealInLineClass(InlineClassFactory.groovy:95)
  at com.meituan.robust.autopatch.InlineClassFactory$dealInLineClass$0.call(Unknown Source)
  at robust.gradle.plugin.AutoPatchTransform.generatPatch(AutoPatchTransform.groovy:185)
  at robust.gradle.plugin.AutoPatchTransform$generatPatch$0.callCurrent(Unknown Source)
  at robust.gradle.plugin.AutoPatchTransform.autoPatch(AutoPatchTransform.groovy:138)
  at robust.gradle.plugin.AutoPatchTransform$autoPatch.callCurrent(Unknown Source)
  at robust.gradle.plugin.AutoPatchTransform.transform(AutoPatchTransform.groovy:97)
  at com.android.build.api.transform.Transform.transform(Transform.java:302)
  at com.android.build.gradle.internal.pipeline.TransformTask$2.call(TransformTask.java:239)
  at com.android.build.gradle.internal.pipeline.TransformTask$2.call(TransformTask.java:235)
  at com.android.builder.profile.ThreadRecorder.record(ThreadRecorder.java:102)
  ... 68 more
  Caused by: compile error: incompatible type for =
  at javassist.compiler.CodeGen.badAssign(CodeGen.java:787)
  at javassist.compiler.CodeGen.atAssignCore(CodeGen.java:880)
  at javassist.compiler.CodeGen.atVariableAssign(CodeGen.java:810)
  at javassist.compiler.CodeGen.atAssignExpr(CodeGen.java:764)
  at javassist.compiler.CodeGen.atStmnt(CodeGen.java:332)
  at javassist.compiler.ast.Stmnt.accept(Stmnt.java:50)
  at javassist.compiler.CodeGen.atStmnt(CodeGen.java:351)
  at javassist.compiler.ast.Stmnt.accept(Stmnt.java:50)
  at javassist.compiler.CodeGen.atIfStmnt(CodeGen.java:398)
  at javassist.compiler.CodeGen.atStmnt(CodeGen.java:355)
  at javassist.compiler.ast.Stmnt.accept(Stmnt.java:50)
  at javassist.compiler.CodeGen.atStmnt(CodeGen.java:351)
  at javassist.compiler.ast.Stmnt.accept(Stmnt.java:50)
  at javassist.compiler.Javac.compileStmnt(Javac.java:569)
  at javassist.expr.Cast.replace(Cast.java:122)
  ... 90 more

Start by reproducing the reported patch-packaging failure and read the stack-trace entry points in com.meituan.robust.autopatch.PatchesFactory.groovy, especially lines 128, 78, and 352. Then trace robust.gradle.plugin.AutoPatchTransform.groovy at lines 97, 138, and 185; done means the release patch build completes without the Javassist incompatible-assignment error and the resulting app no longer hangs on a black screen.