嗨,我在GAE中使用我的JSP代码面临一个名为"JspWriter类型中的方法print(boolean)不适用于参数(void)"的错误.
排队 :<%= request.getSession(true).setAttribute("state","firstNumber") %>
这是代码:
`
<c:when test='${param.event == "NewCall"}'>
<%
Response resp1=new Response();
CollectDtmf cd= new CollectDtmf();
cd.addPlayText("Welcome. Please enter the first number. Terminate with #");
resp1.addCollectDtmf(cd);
%>
<%= request.getSession(true).setAttribute("state","firstNumber") %>
<% out.println(resp1.getXML()); %>
</c:when>
Run Code Online (Sandbox Code Playgroud)
`
请告诉我这里做错了什么.谢谢