Task ':app:generateJsonModelDebug'. > java.lang.NullPointerException (no error message)

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hi,

I got this error :


External native generate JSON debug: executing cmake Executable : C:\AndroidSDK\cmake\3.31.0\bin\cmake.exe
arguments : 
-HC:\Users\user\Documents\AndroidStudioProjects\androidcl-master\app
-BC:\Users\user\Documents\AndroidStudioProjects\androidcl-master\app\.externalNativeBuild\cmake\debug\armeabi-v7a
-DANDROID_ABI=armeabi-v7a
-DANDROID_PLATFORM=android-23
-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\Users\user\Documents\AndroidStudioProjects\androidcl-master\app\build\intermediates\cmake\debug\obj\armeabi-v7a
-DCMAKE_BUILD_TYPE=Debug
-DANDROID_NDK=C:\android-ndk-r12b
-DCMAKE_CXX_FLAGS=-O3 -std=gnu++11 -fexceptions -frtti -ljnigraphics
-DCMAKE_SYSTEM_NAME=Android
-DCMAKE_ANDROID_ARCH_ABI=armeabi-v7a
-DCMAKE_SYSTEM_VERSION=23
-DCMAKE_EXPORT_COMPILE_COMMANDS=ON
-DCMAKE_ANDROID_NDK=C:\android-ndk-r12b
-DCMAKE_TOOLCHAIN_FILE=C:\Users\user\Documents\AndroidStudioProjects\androidcl-master\app\.externalNativeBuild\cmake\debug\armeabi-v7a\pre-ndk-r15-wrapper-android.toolchain.cmake
-G Ninja
-DANDROID_ARM_NEON=ON
-DANDROID_STL=c++_shared
-DCMAKE_C_COMPILER=C:\android-ndk-r12b\toolchains\llvm\prebuilt\windows-x86_64\bin\clang.exe
-DCMAKE_CXX_COMPILER=C:\android-ndk-r12b\toolchains\llvm\prebuilt\windows-x86_64\bin\clang++.exe
-DBUILD_SHARED_LIBS=OFF
-DBUILD_STATIC_LIBS=ON
-DANDROID_ABI=armeabi-v7a
-DANDROID_PLATFORM=android-23
jvmArgs : 


null


FAILURE: Build failed with an exception.

* What went wrong:
A problem occurred configuring project ':app'.
> java.lang.NullPointerException (no error message)

* Try:
Run with --debug option to get more log output. Run with --scan to get full insights.

* Exception is:
org.gradle.api.ProjectConfigurationException: A problem occurred configuring project ':app'.
	at org.gradle.configuration.project.LifecycleProjectEvaluator.addConfigurationFailure(LifecycleProjectEvaluator.java:94)
	at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:89)
	at org.gradle.configuration.project.LifecycleProjectEvaluator.doConfigure(LifecycleProjectEvaluator.java:70)
	at org.gradle.configuration.project.LifecycleProjectEvaluator.access$100(LifecycleProjectEvaluator.java:34)
	at org.gradle.configuration.project.LifecycleProjectEvaluator$ConfigureProject.run(LifecycleProjectEvaluator.java:110)
	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.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:50)
	at org.gradle.api.internal.project.DefaultProject.evaluate(DefaultProject.java:666)
	at org.gradle.api.internal.project.DefaultProject.evaluate(DefaultProject.java:135)
	at org.gradle.execution.TaskPathProjectEvaluator.configure(TaskPathProjectEvaluator.java:35)
	at org.gradle.execution.TaskPathProjectEvaluator.configureHierarchy(TaskPathProjectEvaluator.java:62)
	at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:38)
	at org.gradle.initialization.DefaultGradleLauncher$ConfigureBuild.run(DefaultGradleLauncher.java:249)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$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.initialization.DefaultGradleLauncher.configureBuild(DefaultGradleLauncher.java:167)
	at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:126)
	at org.gradle.initialization.DefaultGradleLauncher.executeTasks(DefaultGradleLauncher.java:109)
	at org.gradle.internal.invocation.GradleBuildController$1.call(GradleBuildController.java:78)
	at org.gradle.internal.invocation.GradleBuildController$1.call(GradleBuildController.java:75)
	at org.gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:152)
	at org.gradle.internal.invocation.GradleBuildController.doBuild(GradleBuildController.java:100)
	at org.gradle.internal.invocation.GradleBuildController.run(GradleBuildController.java:75)
	at org.gradle.tooling.internal.provider.runner.ClientProvidedBuildActionRunner.run(ClientProvidedBuildActionRunner.java:62)
	at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
	at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
	at org.gradle.tooling.internal.provider.ValidatingBuildActionRunner.run(ValidatingBuildActionRunner.java:32)
	at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner$1.run(RunAsBuildOperationBuildActionRunner.java:43)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$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.launcher.exec.RunAsBuildOperationBuildActionRunner.run(RunAsBuildOperationBuildActionRunner.java:40)
	at org.gradle.tooling.internal.provider.SubscribableBuildActionRunner.run(SubscribableBuildActionRunner.java:51)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:47)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:30)
	at org.gradle.launcher.exec.BuildTreeScopeBuildActionExecuter.execute(BuildTreeScopeBuildActionExecuter.java:39)
	at org.gradle.launcher.exec.BuildTreeScopeBuildActionExecuter.execute(BuildTreeScopeBuildActionExecuter.java:25)
	at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:80)
	at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:53)
	at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:57)
	at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:32)
	at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:36)
	at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:25)
	at org.gradle.tooling.internal.provider.ParallelismConfigurationBuildActionExecuter.execute(ParallelismConfigurationBuildActionExecuter.java:43)
	at org.gradle.tooling.internal.provider.ParallelismConfigurationBuildActionExecuter.execute(ParallelismConfigurationBuildActionExecuter.java:29)
	at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:69)
	at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:30)
	at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:59)
	at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:44)
	at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:45)
	at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:30)
	at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:67)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:37)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:26)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:34)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:74)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:72)
	at org.gradle.util.Swapper.swap(Swapper.java:38)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:72)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.LogAndCheckHealth.execute(LogAndCheckHealth.java:55)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:62)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:82)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:50)
	at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:295)
	at org.gradle.internal.concurrent.ExecutorPolicy$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.android.build.gradle.external.cmake.server.ServerProtocolV1.readExpected(ServerProtocolV1.java:502)
	at com.android.build.gradle.external.cmake.server.ServerProtocolV1.readMessage(ServerProtocolV1.java:530)
	at com.android.build.gradle.external.cmake.server.ServerProtocolV1.decodeResponse(ServerProtocolV1.java:387)
	at com.android.build.gradle.external.cmake.server.ServerProtocolV1.decodeResponse(ServerProtocolV1.java:381)
	at com.android.build.gradle.external.cmake.server.ServerProtocolV1.connect(ServerProtocolV1.java:112)
	at com.android.build.gradle.tasks.CmakeServerExternalNativeJsonGenerator.createServerAndConnect(CmakeServerExternalNativeJsonGenerator.java:258)
	at com.android.build.gradle.tasks.CmakeServerExternalNativeJsonGenerator.executeProcessAndGetOutput(CmakeServerExternalNativeJsonGenerator.java:192)
	at com.android.build.gradle.tasks.CmakeExternalNativeJsonGenerator.executeProcess(CmakeExternalNativeJsonGenerator.java:126)
	at com.android.build.gradle.tasks.ExternalNativeJsonGenerator.buildAndPropagateException(ExternalNativeJsonGenerator.java:323)
	at com.android.build.gradle.tasks.ExternalNativeJsonGenerator.build(ExternalNativeJsonGenerator.java:194)
	at com.android.build.gradle.BasePlugin.lambda$createAndroidTasks$7(BasePlugin.java:812)
	at com.android.builder.profile.ThreadRecorder.record(ThreadRecorder.java:81)
	at com.android.build.gradle.BasePlugin.createAndroidTasks(BasePlugin.java:800)
	at com.android.build.gradle.BasePlugin.lambda$null$4(BasePlugin.java:650)
	at com.android.builder.profile.ThreadRecorder.record(ThreadRecorder.java:81)
	at com.android.build.gradle.BasePlugin.lambda$createTasks$5(BasePlugin.java:646)
	at org.gradle.internal.event.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:91)
	at org.gradle.internal.event.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:80)
	at org.gradle.internal.event.AbstractBroadcastDispatch.dispatch(AbstractBroadcastDispatch.java:42)
	at org.gradle.internal.event.BroadcastDispatch$SingletonDispatch.dispatch(BroadcastDispatch.java:230)
	at org.gradle.internal.event.BroadcastDispatch$SingletonDispatch.dispatch(BroadcastDispatch.java:149)
	at org.gradle.internal.event.AbstractBroadcastDispatch.dispatch(AbstractBroadcastDispatch.java:58)
	at org.gradle.internal.event.BroadcastDispatch$CompositeDispatch.dispatch(BroadcastDispatch.java:324)
	at org.gradle.internal.event.BroadcastDispatch$CompositeDispatch.dispatch(BroadcastDispatch.java:234)
	at org.gradle.internal.event.ListenerBroadcast.dispatch(ListenerBroadcast.java:140)
	at org.gradle.internal.event.ListenerBroadcast.dispatch(ListenerBroadcast.java:37)
	at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
	at com.sun.proxy.$Proxy25.afterEvaluate(Unknown Source)
	at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:76)
	... 82 more


* Get more help at https://help.gradle.org

BUILD FAILED in 0s


The build scan was not published due to a configuration problem.

The Gradle Cloud Services license agreement has not been agreed to.

Yesteday it was running fine using CMamaLists.txt. But today got problem with Json. I work on android studio. And i got no clue on what apenned. But i remenber that i update Cmake in android studio. I had 3.6.4111459 from 2017, 3.10.2.4988404 from 2020 and new one from today. android is a bit spécial :sunglasses:

2

Hi,

Sorry for the post i found the answer. I always need to ask question, it seams that it help me to find solution. May that could help someone else.

I deleted the last Cmake update located in “androidSDK/cmake”. I spend 3 hours on it. I am getting old :smiley:

regards

PS: advise for android user. Alway work whit 2 version of IDE. The one you created your project and one if you change phonne with new android version. So you can see the change for your project and the new SDK how will support it. The problem is that every new update will impact the android SDK where all SDK and tools are located. Cmake is an example of the trouble you can be confronted to. The best is to have Two different environment IDE + SDK and load your NDK manually. So update will be only on one directory. So you will avoid the problem that appnds to me. And do not forget google is watching you. :joy: :joy:

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