我做的一个报表系统现在是试运行阶段:
之前是没有什么问题的.
但是 最近我看到 Tomcat的 logs文件里面记录了这样的异常:
javax.servlet.ServletException: Request[/B201] does not contain handler parameter named 'action'. This may be caused by whitespace in the label text.
at org.apache.struts.actions.DispatchAction.unspecified(DispatchAction.java:222)
at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:256)
at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:194)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at com.wedz.struts.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:21)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Unknown Source)我在网上查过,有几种说法:
一种是说:出现(does not contain handler parameter named 'method'. This may be caused by whitespace in the label text.)的问题,是在表单FROM里如果把POST和GET搞错了会有这种错误
另一种是说:出现这个异常的原因是,jsp页面上配置了如下的句子:
<html:hidden property=“method“ value....>
这2种说法 都没有说原因.我的 JSP文件里是这样的:
<form name="B201Form" method="post" action="/....">
<input name="action" value="pass" type="hidden" /> ......
<input type="submit" name="Submit" value="pass" onClick="set('pass')" />
<input type="submit" name="Submit" value="toExcel" onClick="set('toExcel')"/>我为了 让一个表单实现多个功能 ,所以用JS改变 表单提交是的 action 动作.
JS代码:
function set( target){
var form = document.forms[0];
form.action.value=target;
}
配置文件:
<action path="/..."
type="com....."
name="B201Form"
parameter="action"
scope="request"
validate="false" ...在Action类里面确实有 'pass'和'toExcel'方法.我之前测试这个系统的时候 没有遇到过这样的问题 但是现在在客户那里试运行了,我在logs 文件里面看到有这样的问题,却找不出是什么原因(不知道是不是因为现在用的人多了).
虽然客户那边没有反映这个问题(可能是这个问题出现的次数不是很多,有的用户懒得反映,他们也不知道怎么反映吧),但问题确实是存在的,想找出原因,希望大家帮帮忙!
之前是没有什么问题的.
但是 最近我看到 Tomcat的 logs文件里面记录了这样的异常:
javax.servlet.ServletException: Request[/B201] does not contain handler parameter named 'action'. This may be caused by whitespace in the label text.
at org.apache.struts.actions.DispatchAction.unspecified(DispatchAction.java:222)
at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:256)
at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:194)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at com.wedz.struts.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:21)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Unknown Source)我在网上查过,有几种说法:
一种是说:出现(does not contain handler parameter named 'method'. This may be caused by whitespace in the label text.)的问题,是在表单FROM里如果把POST和GET搞错了会有这种错误
另一种是说:出现这个异常的原因是,jsp页面上配置了如下的句子:
<html:hidden property=“method“ value....>
这2种说法 都没有说原因.我的 JSP文件里是这样的:
<form name="B201Form" method="post" action="/....">
<input name="action" value="pass" type="hidden" /> ......
<input type="submit" name="Submit" value="pass" onClick="set('pass')" />
<input type="submit" name="Submit" value="toExcel" onClick="set('toExcel')"/>我为了 让一个表单实现多个功能 ,所以用JS改变 表单提交是的 action 动作.
JS代码:
function set( target){
var form = document.forms[0];
form.action.value=target;
}
配置文件:
<action path="/..."
type="com....."
name="B201Form"
parameter="action"
scope="request"
validate="false" ...在Action类里面确实有 'pass'和'toExcel'方法.我之前测试这个系统的时候 没有遇到过这样的问题 但是现在在客户那里试运行了,我在logs 文件里面看到有这样的问题,却找不出是什么原因(不知道是不是因为现在用的人多了).
虽然客户那边没有反映这个问题(可能是这个问题出现的次数不是很多,有的用户懒得反映,他们也不知道怎么反映吧),但问题确实是存在的,想找出原因,希望大家帮帮忙!
<input type="submit" name="Submit" value="toExcel" onClick="set('toExcel')"/>
这里,既提交了表单,又想改变action域的值,你确定提交表单动作是在改变域值之后么?
建议楼主这样写:
<input type="button" name="Submit" value="toExcel" onClick="set('toExcel')"/>
function set( target){
var form = document.forms[0];
form.action.value=target;
document.forms[0].submit();
}
js要改变一个隐藏域的值要通过id属性来改变的。插入一个id属性:
<input name="action" value="pass" id="action" type="hidden" />
如果再行,就再改js:
function set( target){
document.getElementById("action").value=target;
document.forms[0].submit();
}
上面说的两种方法我都没有效果,更奇怪的是,我用Ie firefox 都没有问题,只有chrome才有这个错误,但是页面又正常显示了。只是服务器端报错误?真奇怪!
我也出现这种情况了,用你们说白办法都解决不了,findDepartment方法我是后来加上的,jobAction里的其他方法就能找到,就是这方法找不到,但我的确的写在里边了!~
public ActionForward findDepartment(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
int id = Integer.parseInt(request.getParameter("id")); // departmentid
List<Job> result=JobImpl.getInstance().getJobByDepartId(id);
request.setAttribute("joblist", result);
response.sendRedirect(request.getContextPath()+"/operatorAction.do?action=addInit&id="+id);
return null;
}
因为编辑器默认把 </html:form> 带出来,所以其它就没有包含在form 中。
(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response)
这四个参数