Servlet.service() for servlet [spring] in context with path [/] threw exception [Handler processing failed; nested exception is java.lang.NoClassDefFoundError: com/alibaba/fastjson/JSON] with root cause
java.lang.NoClassDefFoundError: com/alibaba/fastjson/JSON
at com.netvour.systemdomain.portals.PortalController.writeJson(PortalController.java:347)
at com.netvour.systemdomain.portals.PortalController.writeMsg(PortalController.java:328)
at com.netvour.systemdomain.portals.PortalController.fileUpload(PortalController.java:233)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215)
at
com/alibaba/fastjson/JSON
缺这个包文件