一：@ResponseBody将pojo转为json数据时浏览器报406错误

The resource identified by this request is only capable of generating responses with characteristics not acceptable according to the request "accept" headers.
导致原因：忘记在web中添加jackson的依赖
解决：在web工程的pom.xml添加

<dependency>  
    <groupId>com.fasterxml.jackson.core</groupId>  
    <artifactId>jackson-databind</artifactId>    
</dependency>