It can help for springmvc using net.sf.json-lib and @Responsebody returns json format
'com.github.servanter:netsfjson-support-spring:1.0.0'
<dependency>
<groupId>com.github.servanter</groupId>
<artifactId>netsfjson-support-spring</artifactId>
<version>1.0.0</version>
</dependency>
<dependency org="com.github.servanter" name="netsfjson-support-spring" rev="1.0.0"/>
"com.github.servanter", "netsfjson-support-spring", "1.0.0"