Build release got java.lang.NullPointerException (no error message)


(Ngoc) #1

Hi I am using the android studio 3.1.1 and i have build issue when trying to ./gradlew assembleRelease with -multidex options. (I am using gradle plugin version 4.4, buildToolsVersion ‘27.0.3’ and classpath ‘com.android.tools.build:gradle:3.1.2’)
Here is stacktrace:

org.gradle.api.tasks.TaskExecutionException: Execution failed for task ‘:app:dexguardRelease’.
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$1.run(ManagedExecutorImpl.java:46)
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
Caused by: java.lang.NullPointerException
at com.guardsquare.dexguard.Oi.c(DexGuard8.0.22:14054)
at com.guardsquare.dexguard.Oi.d(DexGuard8.0.22:427)
at com.guardsquare.dexguard.vn.d(DexGuard8.0.22:228)
at com.guardsquare.dexguard.vn.c(DexGuard8.0.22:66)
at com.guardsquare.dexguard.qE.c(DexGuard8.0.22:52)
at com.guardsquare.dexguard.qB.d(DexGuard8.0.22:70)
at com.guardsquare.dexguard.tn.a(DexGuard8.0.22:112)
at com.guardsquare.dexguard.xk.e(DexGuard8.0.22:49)
at com.guardsquare.dexguard.vJ.b(DexGuard8.0.22:185)
at com.guardsquare.dexguard.vJ.d(DexGuard8.0.22:191)
at com.guardsquare.dexguard.tc.d(DexGuard8.0.22:55)
at com.guardsquare.dexguard.qI.d(DexGuard8.0.22:543)
at com.guardsquare.dexguard.Oi.d(DexGuard8.0.22:280)
at com.guardsquare.dexguard.uP.d(DexGuard8.0.22:143)
at com.guardsquare.dexguard.Oi.d(DexGuard8.0.22:118)
at com.guardsquare.dexguard.qN.c(DexGuard8.0.22:127)
at com.guardsquare.dexguard.qO.c(DexGuard8.0.22:87)
at com.guardsquare.dexguard.sz.a(DexGuard8.0.22:81)
at com.guardsquare.dexguard.vJ.c(DexGuard8.0.22:78)
at com.guardsquare.dexguard.qO.e(DexGuard8.0.22:79)
at com.guardsquare.dexguard.qI.d(DexGuard8.0.22:594)
at com.guardsquare.dexguard.vR.c(DexGuard8.0.22:33)
at com.guardsquare.dexguard.qI.b(DexGuard8.0.22:436)
at com.guardsquare.dexguard.qw.d(DexGuard8.0.22:171)
at com.guardsquare.dexguard.vK.c(DexGuard8.0.22:31)
at com.guardsquare.dexguard.Nz.c(DexGuard8.0.22:3157)
at com.guardsquare.dexguard.qw.c(DexGuard8.0.22:157)
at com.guardsquare.dexguard.Np.b(DexGuard8.0.22:854)
at com.guardsquare.dexguard.pW.c(DexGuard8.0.22:769)
at com.guardsquare.dexguard.pW.b(DexGuard8.0.22:275)
at com.guardsquare.dexguard.HF.proguard(DexGuard8.0.22:1730)
at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
at org.gradle.api.internal.project.taskfactory.StandardTaskAction.doExecute(StandardTaskAction.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.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:780)
at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:747)
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)
… 29 more

Can anyone help me in fixing this issue. Thanks a lot.