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liferay学习（源码调试问题）

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环境搭建： liferay-portal-tomcat-6.2-ce-ga4-20150416163831865.zip liferaytomcat服务器 liferay-ide-eclipse-windows-x64-2.2.4-ga5-201507230603.zip liferayIDE开发工具 liferay-portal-sql-6.2-ce-ga4-20150416163831865.zip liferay建库语句 liferay-portal-src-6.2-ce-ga4-20150416163831865.zip liferay源码包 liferay-plugins-sdk-6.2.zip liferay插件直接使用官网提供的ide进行开发，jdk版本为jdk1.7 省略环境搭建过程，（下载以上包直接解压就能搞定）将源码包导入到开发环境中，在ant添加built.xml文件，并进行源码的编译和部署工作，编译和部署完成之后启动Tomcat （debug模式）当然启动的时候会遇到一些问题，具体问题如下：编译源码问题一、 Please set the environment variable ANT_OPTS to the recommended value of "-Xmx1024m -XX:MaxPermSize=512m". 解决方法 1

respond to http request with json object in portlet

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问题 I am a beginner in liferay portlet development and I am developing a portlet that receives a http get request, processes some information and than it has to return a json object. My problem is that my portlet sends a whole html page instead of just the json object. This is my code: HttpServletResponse servletResponse = PortalUtil.getHttpServletResponse((renderResponse)); servletResponse.setHeader(\"Content-type\", \"application/json\"); servletResponse.setCharacterEncoding(\"application/json\

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