我从以下gradle文件中出现了gradle构建错误。但是我不知道为什么失败了。请指教。

谢谢，

buildscript {
    repositories {
        maven { url "http://repo.spring.io/libs-snapshot" }
        mavenLocal()
    }
    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:1.0.0.RC4")
    }
}

apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'idea'
apply plugin: 'spring-boot' <== This is line 14

jar {
    baseName = 'gs-spring-boot'
    version =  '0.1.0'
}

repositories {
    mavenCentral()
    maven { url "http://repo.spring.io/libs-snapshot" }
}

dependencies {
    // tag::jetty[]
    compile("org.springframework.boot:spring-boot-starter-web") {
        exclude module: "spring-boot-starter-tomcat"
    }
    compile("org.springframework.boot:spring-boot-starter-jetty")
    // end::jetty[]
    // tag::actuator[]
    compile("org.springframework.boot:spring-boot-starter-actuator")
    // end::actuator[]
    testCompile("junit:junit")
}

task wrapper(type: Wrapper) {
    gradleVersion = '1.11'
}

@localhost hello]$ gradle
org.gradle.api.internal.LocationAwareException: Build file '/home/xxx/dev/src/main/java/hello/build.gradle' line: 14
A problem occurred evaluating root project 'hello'.
        at org.gradle.initialization.DefaultExceptionAnalyser.transform(DefaultExceptionAnalyser.java:85)
        at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:112)
        at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:78)
        at org.gradle.launcher.cli.RunBuildAction.execute(RunBuildAction.java:42)
        at org.gradle.launcher.cli.RunBuildAction.execute(RunBuildAction.java:28)
        at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:201)
        at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:174)
        at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:170)
        at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:139)
        at org.gradle.launcher.exec.ExceptionReportingAction.execute(ExceptionReportingAction.java:31)
        at org.gradle.launcher.exec.ExceptionReportingAction.execute(ExceptionReportingAction.java:20)
        at org.gradle.launcher.Main.doAction(Main.java:48)
        at org.gradle.launcher.exec.EntryPoint.run(EntryPoint.java:45)
        at org.gradle.launcher.Main.main(Main.java:39)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.gradle.launcher.ProcessBootstrap.runNoExit(ProcessBootstrap.java:50)
        at org.gradle.launcher.ProcessBootstrap.run(ProcessBootstrap.java:32)
        at org.gradle.launcher.GradleMain.main(GradleMain.java:24)
Caused by: org.gradle.api.GradleScriptException: A problem occurred evaluating root project 'hello'.
        at org.gradle.groovy.scripts.internal.DefaultScriptRunnerFactory$ScriptRunnerImpl.run(DefaultScriptRunnerFactory.java:54)
        at org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl.apply(DefaultScriptPluginFactory.java:127)
        at org.gradle.configuration.BuildScriptProcessor.evaluate(BuildScriptProcessor.java:38)
        at org.gradle.configuration.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:43)
        at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:462)
        at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:74)
        at org.gradle.configuration.ProjectEvaluationConfigurer.execute(ProjectEvaluationConfigurer.java:23)
        at org.gradle.configuration.ProjectEvaluationConfigurer.execute(ProjectEvaluationConfigurer.java:21)
        at org.gradle.configuration.DefaultBuildConfigurer$1.execute(DefaultBuildConfigurer.java:38)
        at org.gradle.configuration.DefaultBuildConfigurer$1.execute(DefaultBuildConfigurer.java:35)
        at org.gradle.api.internal.project.AbstractProject.configure(AbstractProject.java:438)
        at org.gradle.api.internal.project.AbstractProject.allprojects(AbstractProject.java:433)
        at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:35)
        at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:139)
        at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:110)
        ... 19 more
Caused by: java.lang.NoSuchMethodError: org.gradle.api.tasks.TaskContainer.create(Ljava/lang/String;Ljava/lang/Class;)Lorg/gradle/api/Task;
        at org.springframework.boot.gradle.SpringBootPlugin.addRepackageTask(SpringBootPlugin.java:94)
        at org.springframework.boot.gradle.SpringBootPlugin.applyRepackage(SpringBootPlugin.java:60)
        at org.springframework.boot.gradle.SpringBootPlugin.apply(SpringBootPlugin.java:48)
        at org.springframework.boot.gradle.SpringBootPlugin.apply(SpringBootPlugin.java:1)
        at org.gradle.api.internal.plugins.DefaultProjectsPluginContainer.providePlugin(DefaultProjectsPluginContainer.java:107)
        at org.gradle.api.internal.plugins.DefaultProjectsPluginContainer.addPluginInternal(DefaultProjectsPluginContainer.java:71)
        at org.gradle.api.internal.plugins.DefaultProjectsPluginContainer.apply(DefaultProjectsPluginContainer.java:37)
        at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction.applyPlugin(DefaultObjectConfigurationAction.java:101)
        at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction.access$200(DefaultObjectConfigurationAction.java:32)
        at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction$3.run(DefaultObjectConfigurationAction.java:72)
        at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction.execute(DefaultObjectConfigurationAction.java:114)
        at org.gradle.api.internal.project.AbstractProject.apply(AbstractProject.java:840)