自定义action，ajax请求，但是为什么一直都是参数未定义啊，求指点小弟一下

finaly

com.justep.exception.BusinessException: 编码: JUSTEP150084; 提示: "/zherp/comprehensive/process/gx006/saveInfo1"没有定义参数"documentType1"
at com.justep.exception.BusinessException.create(Unknown Source)
at com.justep.util.Utils.check(Unknown Source)
at com.justep.system.transform.RequestTransform.transActionParams(Unknown Source)
at com.justep.system.transform.RequestTransform.transform(Unknown Source)
at com.justep.system.action.Engine.translateParameters(Unknown Source)
at com.justep.system.action.Engine.invokeActions(Native Method)
at com.justep.system.action.Engine.invokeActions(Unknown Source)
at com.justep.business.server.BusinessServer.doAction(Unknown Source)
at com.justep.business.server.BusinessServer.doExcute(Unknown Source)
at com.justep.business.server.BusinessServer.excute(Unknown Source)
at com.justep.business.server.BusinessServer.excute(Unknown Source)
at com.justep.business.server.BusinessServerServlet.execService(Unknown Source)
at com.justep.business.server.BusinessServerServlet.service(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at com.justep.x.bs.BusinessServerServlet.service(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:745)
关闭

finaly

已解决，删掉自定义action，然后重新添加一遍就莫名其妙好了