java.lang.UnsupportedClassVersionError: com/android/build/gradle/AppPlugin : U nsupported major.minor version 52.0

[falbertp]

Hi, please help, trying gradlew clean assembleDebug got error:

FAILURE: Build failed with an exception.

• Where: Build file 'D:\Frank\workspace\card.io\card.io-Android-source\SampleApp\build.gr adle' line: 14

• What went wrong: A problem occurred evaluating project ':SampleApp'.

  java.lang.UnsupportedClassVersionError: com/android/build/gradle/AppPlugin : U nsupported major.minor version 52.0

• Exception is: org.gradle.api.GradleScriptException: A problem occurred evaluating project ':Sa mpleApp'. at org.gradle.groovy.scripts.internal.DefaultScriptRunnerFactory$ScriptR unnerImpl.run(DefaultScriptRunnerFactory.java:93) at org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl$ 2.run(DefaultScriptPluginFactory.java:177) at org.gradle.configuration.ProjectScriptTarget.addConfiguration(Project ScriptTarget.java:77) at org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl. apply(DefaultScriptPluginFactory.java:182) at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildSc riptProcessor.java:38) at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildSc riptProcessor.java:25) at org.gradle.configuration.project.ConfigureActionsProjectEvaluator.eva luate(ConfigureActionsProjectEvaluator.java:34) at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(L ifecycleProjectEvaluator.java:55) at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProj ect.java:540) at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProj ect.java:93) at org.gradle.execution.TaskPathProjectEvaluator.configureHierarchy(Task PathProjectEvaluator.java:47) at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuil dConfigurer.java:35) at org.gradle.initialization.DefaultGradleLauncher$2.run(DefaultGradleLa uncher.java:124) at org.gradle.internal.Factories$1.create(Factories.java:22) at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(Defaul tBuildOperationExecutor.java:91) at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(Defaul tBuildOperationExecutor.java:53) at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(Default GradleLauncher.java:121) at org.gradle.initialization.DefaultGradleLauncher.access$200(DefaultGra dleLauncher.java:32) at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradl eLauncher.java:98) at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradl eLauncher.java:92) at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(Defaul tBuildOperationExecutor.java:91) at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(Defaul tBuildOperationExecutor.java:63) at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradle Launcher.java:92) at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLaun cher.java:83) at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildCon troller.run(InProcessBuildActionExecuter.java:99) at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(Exe cuteBuildActionRunner.java:28) at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildA ctionRunner.java:35) at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProce ssBuildActionExecuter.java:48) at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProce ssBuildActionExecuter.java:30) at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(Contin uousBuildActionExecuter.java:81) at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(Contin uousBuildActionExecuter.java:46) at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBu ild.java:52) at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(Build CommandOnly.java:36) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed( DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute( WatchForDisconnection.java:37) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed( DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute (ResetDeprecationLogger.java:26) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed( DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon. execute(RequestStopIfSingleUsedDaemon.java:34) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed( DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(Forw ardClientInput.java:74) at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(Forw ardClientInput.java:72) at org.gradle.util.Swapper.swap(Swapper.java:38) at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(For wardClientInput.java:72) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed( DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.health.DaemonHealthTracker.execute( DaemonHealthTracker.java:47) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed( DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClien t.java:60) at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(Build CommandOnly.java:36) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed( DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBu ild(EstablishBuildEnvironment.java:72) at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(Build CommandOnly.java:36) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed( DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.health.HintGCAfterBuild.execute(Hin tGCAfterBuild.java:41) at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed( DaemonCommandExecution.java:120) at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1. run(StartBuildOrRespondWithBusy.java:50) at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(Daemon StateCoordinator.java:237) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures. onExecute(ExecutorPolicy.java:54) at org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableE xecutorImpl.java:40) Caused by: com.google.common.util.concurrent.ExecutionError: java.lang.Unsupport edClassVersionError: com/android/build/gradle/AppPlugin : Unsupported major.mino r version 52.0 at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2199) at com.google.common.cache.LocalCache.get(LocalCache.java:3934) at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3938) at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.j ava:4821) at org.gradle.api.internal.plugins.DefaultPluginRegistry.uncheckedGet(De faultPluginRegistry.java:149) at org.gradle.api.internal.plugins.DefaultPluginRegistry.lookup(DefaultP luginRegistry.java:144) at org.gradle.api.internal.plugins.DefaultPluginRegistry.lookup(DefaultP luginRegistry.java:127) at org.gradle.api.internal.plugins.DefaultPluginManager.apply(DefaultPlu ginManager.java:108) at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction.appl yType(DefaultObjectConfigurationAction.java:113) at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction.acce ss$200(DefaultObjectConfigurationAction.java:36) at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction$3.ru n(DefaultObjectConfigurationAction.java:80) at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction.exec ute(DefaultObjectConfigurationAction.java:136) at org.gradle.api.internal.project.AbstractPluginAware.apply(AbstractPlu ginAware.java:46) at org.gradle.api.internal.project.ProjectScript.apply(ProjectScript.jav a:34) at org.gradle.api.Script$apply$0.callCurrent(Unknown Source) at build_267mcp3um5tzjv8lwgd3q85gz.run(D:\Frank\workspace\card.io\card.i o-Android-source\SampleApp\build.gradle:14) at org.gradle.groovy.scripts.internal.DefaultScriptRunnerFactory$ScriptR unnerImpl.run(DefaultScriptRunnerFactory.java:91) ... 58 more Caused by: java.lang.UnsupportedClassVersionError: com/android/build/gradle/AppP lugin : Unsupported major.minor version 52.0 at org.gradle.api.internal.plugins.DefaultPluginRegistry$1.load(DefaultP luginRegistry.java:71) at org.gradle.api.internal.plugins.DefaultPluginRegistry$1.load(DefaultP luginRegistry.java:51) at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(L ocalCache.java:3524) at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2 317) at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache .java:2280) at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2195) ... 74 more

[lkorth]

This is an Android SDK issue, not a dmz issue.

What version of Java were you using to build? What version of the gradle build plugin?