19:25:40.866 [ERROR] [org.gradle.BuildExceptionReporter] * What went wrong:
19:25:40.866 [ERROR] [org.gradle.BuildExceptionReporter] Execution failed for task ':spock-grails:clean'.
19:25:40.867 [ERROR] [org.gradle.BuildExceptionReporter] Cause: java.lang.reflect.InvocationTargetException
19:25:40.867 [ERROR] [org.gradle.BuildExceptionReporter] Cause: java.lang.reflect.InvocationTargetException (no error message)
19:25:40.872 [ERROR] [org.gradle.BuildExceptionReporter] Cause: loader constraint violation: when resolving method "org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;" the class loader (instance of org/grails/launcher/RootLoader) of the current class, org/slf4j/LoggerFactory, and the class loader (instance of sun/misc/Launcher$AppClassLoader) for resolved class, org/slf4j/impl/StaticLoggerBinder, have different Class objects for the type org/slf4j/ILoggerFactory used in the signature
19:25:40.873 [ERROR] [org.gradle.BuildExceptionReporter]
19:25:40.874 [ERROR] [org.gradle.BuildExceptionReporter] * Exception is:
19:25:40.877 [ERROR] [org.gradle.BuildExceptionReporter] org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':spock-grails:clean'.
19:25:40.878 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:71)
19:25:40.878 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:48)
19:25:40.880 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:34)
19:25:40.881 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:55)
19:25:40.881 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:57)
19:25:40.882 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:41)
19:25:40.883 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:51)
19:25:40.883 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:52)
19:25:40.884 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:42)
19:25:40.885 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.AbstractTask.execute(AbstractTask.java:237)
19:25:40.885 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.DefaultTaskGraphExecuter.executeTask(DefaultTaskGraphExecuter.java:167)
19:25:40.887 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.DefaultTaskGraphExecuter.doExecute(DefaultTaskGraphExecuter.java:160)
19:25:40.888 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:78)
19:25:40.889 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.TaskNameResolvingBuildExecuter.execute(TaskNameResolvingBuildExecuter.java:113)
19:25:40.889 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.DelegatingBuildExecuter.execute(DelegatingBuildExecuter.java:54)
19:25:40.890 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:158)
19:25:40.890 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:112)
19:25:40.891 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:80)
19:25:40.891 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.ExecuteBuildAction.run(ExecuteBuildAction.java:44)
19:25:40.892 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.DefaultGradleLauncherActionExecuter.execute(DefaultGradleLauncherActionExecuter.java:49)
19:25:40.892 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.DaemonMain.build(DaemonMain.java:143)
19:25:40.892 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.DaemonMain.doRunWithExceptionHandling(DaemonMain.java:132)
19:25:40.893 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.DaemonMain.doRunWithLogging(DaemonMain.java:114)
19:25:40.893 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.DaemonMain.doRun(DaemonMain.java:94)
19:25:40.894 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.DaemonMain.access$000(DaemonMain.java:45)
19:25:40.894 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.DaemonMain$1.handle(DaemonMain.java:75)
19:25:40.895 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.DaemonConnector$1.execute(DaemonConnector.java:165)
19:25:40.895 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.DaemonConnector$1.execute(DaemonConnector.java:161)
19:25:40.895 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.messaging.remote.internal.TcpIncomingConnector$Receiver.run(TcpIncomingConnector.java:102)
19:25:40.896 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.messaging.concurrent.DefaultExecutorFactory$StoppableExecutorImpl$1.run(DefaultExecutorFactory.java:63)
19:25:40.896 [ERROR] [org.gradle.BuildExceptionReporter] Caused by: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
19:25:40.897 [ERROR] [org.gradle.BuildExceptionReporter] at org.grails.launcher.GrailsLauncher.launch(GrailsLauncher.java:114)
19:25:40.897 [ERROR] [org.gradle.BuildExceptionReporter] at org.grails.launcher.GrailsLauncher$launch.call(Unknown Source)
19:25:40.897 [ERROR] [org.gradle.BuildExceptionReporter] at org.grails.gradle.plugin.GrailsTask.executeCommand(GrailsTask.groovy:94)
19:25:40.898 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.BeanDynamicObject.invokeMethod(BeanDynamicObject.java:158)
19:25:40.898 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.CompositeDynamicObject.invokeMethod(CompositeDynamicObject.java:93)
19:25:40.899 [ERROR] [org.gradle.BuildExceptionReporter] at org.grails.gradle.plugin.GrailsTask_Decorated.invokeMethod(Unknown Source)
19:25:40.899 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.util.ReflectionUtil.invoke(ReflectionUtil.groovy:23)
19:25:40.900 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$2.execute(AnnotationProcessingTaskFactory.java:129)
19:25:40.900 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$2.execute(AnnotationProcessingTaskFactory.java:127)
19:25:40.901 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:63)
19:25:40.901 [ERROR] [org.gradle.BuildExceptionReporter] ... 29 more
19:25:40.902 [ERROR] [org.gradle.BuildExceptionReporter] Caused by: java.lang.reflect.InvocationTargetException
19:25:40.902 [ERROR] [org.gradle.BuildExceptionReporter] at org.grails.launcher.GrailsLauncher.launch(GrailsLauncher.java:108)
19:25:40.902 [ERROR] [org.gradle.BuildExceptionReporter] ... 38 more
19:25:40.903 [ERROR] [org.gradle.BuildExceptionReporter] Caused by: java.lang.LinkageError: loader constraint violation: when resolving method "org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;" the class loader (instance of org/grails/launcher/RootLoader) of the current class, org/slf4j/LoggerFactory, and the class loader (instance of sun/misc/Launcher$AppClassLoader) for resolved class, org/slf4j/impl/StaticLoggerBinder, have different Class objects for the type org/slf4j/ILoggerFactory used in the signature
19:25:40.903 [ERROR] [org.gradle.BuildExceptionReporter] at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:273)
19:25:40.904 [ERROR] [org.gradle.BuildExceptionReporter] at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:241)
19:25:40.904 [ERROR] [org.gradle.BuildExceptionReporter] at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:156)
19:25:40.905 [ERROR] [org.gradle.BuildExceptionReporter] at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:132)
19:25:40.920 [ERROR] [org.gradle.BuildExceptionReporter] at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:685)
19:25:40.921 [ERROR] [org.gradle.BuildExceptionReporter] at org.springframework.util.PropertyPlaceholderHelper.<clinit>(PropertyPlaceholderHelper.java:40)
19:25:40.921 [ERROR] [org.gradle.BuildExceptionReporter] at org.springframework.util.SystemPropertyUtils.<clinit>(SystemPropertyUtils.java:49)
19:25:40.921 [ERROR] [org.gradle.BuildExceptionReporter] at org.springframework.util.Log4jConfigurer.initLogging(Log4jConfigurer.java:66)
19:25:40.925 [ERROR] [org.gradle.BuildExceptionReporter] ... 39 more
19:25:40.925 [ERROR] [org.gradle.BuildExceptionReporter]