Getting error when building for Android ......using unreal engine 4.8.1

Hello…I am getting this error …I downloaded properly and in android SDK I gave them proper path but when I am building it its giving me given below error …can anyone tell how I can solve this problem???

BUILD FAILED
MainFrameActions: Packaging (Android (ETC1)): C:\NVPACK\android-sdk-windows ools\ant\build.xml:720: The following error occurred while executing this line:
MainFrameActions: Packaging (Android (ETC1)): C:\NVPACK\android-sdk-windows ools\ant\build.xml:734: Compile failed; see the compiler error output for details.
MainFrameActions: Packaging (Android (ETC1)): Total time: 12 seconds
MainFrameActions: Packaging (Android (ETC1)): BuildCommand.Execute: ERROR: BUILD FAILED
MainFrameActions: Packaging (Android (ETC1)): Program.Main: ERROR: AutomationTool terminated with exception:
MainFrameActions: Packaging (Android (ETC1)): Program.Main: ERROR: Exception in UnrealBuildTool: ERROR: cmd.exe failed with args /c “C:/NVPACK/apache-ant-1.8.2/bin/ant.bat” debug
MainFrameActions: Packaging (Android (ETC1)): Stacktrace: at UnrealBuildTool.Android.UEDeployAndroid.RunCommandLineProgramAndThrowOnError(String WorkingDirectory, St
MainFrameActions: Packaging (Android (ETC1)): ring Command, String Params, String OverrideDesc, Boolean bUseShellExecute)
MainFrameActions: Packaging (Android (ETC1)): at UnrealBuildTool.Android.UEDeployAndroid.MakeApk(String ProjectName, String ProjectDirectory, String OutputPath, String EngineDirectory, Boolean bForDistribution, String CookFlavor, Boolean bMakeSeparateApks, Boolean bIncrementalPackage, Boolean bDisallowPackagingDataInApk)
MainFrameActions: Packaging (Android (ETC1)): at UnrealBuildTool.Android.UEDeployAndroid.PrepForUATPackageOrDeploy(String ProjectName, String ProjectDirectory, String ExecutablePath, String EngineDirectory, Boolean bForDistribution, String CookFlavor, Boolean bIsDataDeploy)
MainFrameActions: Packaging (Android (ETC1)): at AndroidPlatform.Package(ProjectParams Params, DeploymentContext SC, Int32 WorkingCL)
MainFrameActions: Packaging (Android (ETC1)): at Project.Package(ProjectParams Params, Int32 WorkingCL)
MainFrameActions: Packaging (Android (ETC1)): at BuildCookRun.DoBuildCookRun(ProjectParams Params)
MainFrameActions: Packaging (Android (ETC1)): at BuildCommand.Execute()
MainFrameActions: Packaging (Android (ETC1)): at AutomationTool.Automation.Execute(List1 CommandsToExecute, CaselessDictionary1 Commands)
MainFrameActions: Packaging (Android (ETC1)): at AutomationTool.Automation.Process(String] CommandLine)
MainFrameActions: Packaging (Android (ETC1)): at AutomationTool.Program.MainProc(Object Param)
MainFrameActions: Packaging (Android (ETC1)): at AutomationTool.InternalUtils.RunSingleInstance(MainProc Main, Object Param)
MainFrameActions: Packaging (Android (ETC1)): at AutomationTool.Program.Main()
MainFrameActions: Packaging (Android (ETC1)): Program.Main: ERROR: ERROR: cmd.exe failed with args /c “C:/NVPACK/apache-ant-1.8.2/bin/ant.bat” debug
MainFrameActions: Packaging (Android (ETC1)): ProcessManager.KillAll: Trying to kill 0 spawned processes.
MainFrameActions: Packaging (Android (ETC1)): Program.Main: AutomationTool exiting with ExitCode=1
MainFrameActions: Packaging (Android (ETC1)): Domain_ProcessExit
MainFrameActions: Packaging (Android (ETC1)): ProcessManager.KillAll: Trying to kill 0 spawned processes.
MainFrameActions: Packaging (Android (ETC1)): copying UAT log files…
MainFrameActions: Packaging (Android (ETC1)): RunUAT.bat ERROR: AutomationTool was unable to run successfully.
MainFrameActions: Packaging (Android (ETC1)): BUILD FAILED

Download the Tappy Chicken example project from the launcher, test and see if you can build it for Android, if you can, then there’s something in your project that’s preventing it from working, you might try making a new project an moving your content over.

got again same error with tappy chiken project …here it is

UnrealBuildTool.Android.UEDeployAndroid.GetSdkApiLevel()
MainFrameActions: Packaging (Android (ETC1)): at UnrealBuildTool.Android.UEDeployAndroid.GetAllBuildSettings(String BuildPath, Boolean bForDistribution, Boolean bMakeSeparateApks, Boolean bPackageDataInsideApk, Boolean bDisableVerifyOBBOnStartUp)
MainFrameActions: Packaging (Android (ETC1)): at UnrealBuildTool.Android.UEDeployAndroid.MakeApk(String ProjectName, String ProjectDirectory, String OutputPath, String EngineDirectory, Boolean bForDistribution, String CookFlavor, Boolean bMakeSeparateApks, Boolean bIncrementalPackage, Boolean bDisallowPackagingDataInApk)
MainFrameActions: Packaging (Android (ETC1)): at UnrealBuildTool.Android.UEDeployAndroid.PrepForUATPackageOrDeploy(String ProjectName, String ProjectDirectory, String ExecutablePath, String EngineDirectory, Boolean bForDistribution, String CookFlavor, Boolean bIsDataDeploy)
MainFrameActions: Packaging (Android (ETC1)): at AndroidPlatform.Package(ProjectParams Params, DeploymentContext SC, Int32 WorkingCL)
MainFrameActions: Packaging (Android (ETC1)): at Project.Package(ProjectParams Params, Int32 WorkingCL)
MainFrameActions: Packaging (Android (ETC1)): at BuildCookRun.DoBuildCookRun(ProjectParams Params)
MainFrameActions: Packaging (Android (ETC1)): at BuildCommand.Execute()
MainFrameActions: Packaging (Android (ETC1)): at AutomationTool.Automation.Execute(List1 CommandsToExecute, CaselessDictionary1 Commands)
MainFrameActions: Packaging (Android (ETC1)): at AutomationTool.Automation.Process(String] CommandLine)
MainFrameActions: Packaging (Android (ETC1)): at AutomationTool.Program.MainProc(Object Param)
MainFrameActions: Packaging (Android (ETC1)): at AutomationTool.InternalUtils.RunSingleInstance(MainProc Main, Object Param)
MainFrameActions: Packaging (Android (ETC1)): at AutomationTool.Program.Main()
MainFrameActions: Packaging (Android (ETC1)): Program.Main: ERROR: The system cannot find the file specified
MainFrameActions: Packaging (Android (ETC1)): ProcessManager.KillAll: Trying to kill 0 spawned processes.
MainFrameActions: Packaging (Android (ETC1)): Program.Main: AutomationTool exiting with ExitCode=1
MainFrameActions: Packaging (Android (ETC1)): Domain_ProcessExit
MainFrameActions: Packaging (Android (ETC1)): ProcessManager.KillAll: Trying to kill 0 spawned processes.
MainFrameActions: Packaging (Android (ETC1)): copying UAT log files…
MainFrameActions: Packaging (Android (ETC1)): RunUAT.bat ERROR: AutomationTool was unable to run successfully.
MainFrameActions: Packaging (Android (ETC1)): BUILD FAILED

Should I update anything ???

problem solved \m/ it was soooo simple and I was fighting with this from last 5 days

What did you do to fix it?

It isn’t nice to not post a solution when you have one.