JAX-RS (REST Web Services) 2.0 can not be installed

项目Problems中提示错误

JAX-RS (REST Web Services) 2.0 can not be installed : One or more constraints have not been satisfied

JAX-RS (REST Web Services) 2.0 requires Java 1.7 or newer

1.在pom.xml文件中添加或修改

<plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><version>3.0</version>    <configuration>        <source>1.7（修改成自己的JDK版本号 ）</source>        <target>1.7（修改成自己的JDK版本号）</target>    </configuration></plugin>

2.右键项目选择Maven4MyEclipse，选择Update Project...，在弹出框中勾选上Force Update of Snapshots/Releases