The resource identified by this request is only capable of generating responses with characteristics not acceptable according to the request "accept" headers

        <!-- json-lib -->

        <dependency>

            <groupId>net.sf.json-lib</groupId>

            <artifactId>json-lib</artifactId>

            <version>2.4</version>

            <classifier>jdk15</classifier>

        </dependency>

        <!-- Jackson Json处理工具包 -->

        <dependency>

            <groupId>com.fasterxml.jackson.core</groupId>

            <artifactId>jackson-databind</artifactId>

            <version>2.4.2</version>

        </dependency>