Gradle编译报错

gradle build
A problem occurred evaluating root project ‘Spring4WebSocket‘.
> Failed to apply plugin [class ‘io.spring.gradle.dependencymanagement.DependencyManagementPlugin‘]
   > Could not create task of type ‘DependencyManagementReportTask‘.

buildscript {
    repositories {
        maven { url "http://repo.spring.io/libs-release" }
        mavenLocal()
        mavenCentral()
    }
    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:1.3.3.RELEASE")
        classpath("io.spring.gradle:dependency-management-plugin:0.6.1.RELEASE")
    }
}

apply plugin: ‘java‘
apply plugin: ‘eclipse‘
apply plugin: ‘spring-boot‘
apply plugin: ‘war‘
apply plugin: ‘java‘
apply plugin: ‘maven‘
sourceCompatibility = 1.8
targetCompatibility = 1.8

repositories {
    mavenLocal()
    mavenCentral()
    maven { url "http://repo.spring.io/libs-release" }
}
bootRepackage {
    enabled false
}
dependencies {
    compile("org.springframework.boot:spring-boot-starter-websocket")
    compile("org.springframework:spring-messaging")
    providedRuntime("org.springframework.boot:spring-boot-starter-tomcat")
    compile ‘jstl:jstl:1.2‘
}