the purpose of my code is to get the client locale with httpservice
1.locale.jsp
<locale>
<%
String s = request.getHeader("Accept-Language");
System.out.print("locale:"+s);
%>
<language><%=s.substring(0,2)%></language>
<country><%=s.substring(3,5)%></country>
</locale>
if I visit the locale.jsp,it can display the the client locale
2.test.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml"; >
<mx:HTTPService id="employeeSrv" url="locale.jsp">
</mx:HTTPService>
<mx:Script>
<![CDATA[
var s:String;
function initApp(){
employeeSrv.send();
s = employeeSrv.result.locale.country;
}
]]>
</mx:Script>
<mx:Label text="{s}"></mx:Label>
<mx:Button label="test" click="initApp();"></mx:Button>
</mx:Application>
if I visit the test.mxml,
it show a error in my server :
17:05:12,822 INFO [STDOUT] locale:null
17:05:12,822 WARN [jbossweb] WARNING: Exception for /multi/locale.jsp
java.lang.NullPointerException
at org.apache.jsp.locale_jsp._jspService(locale_jsp.java:48)
at org.apache.jasper.runtime.HttpJspBase.service
(HttpJspBase.java:137)
at javax.servlet.http.HttpServlet.service
(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServletWrapper.service
(JspServletWrapper
.java:210)
at org.apache.jasper.servlet.JspServlet.serviceJspFile
(JspServlet.java:2
95)
at org.apache.jasper.servlet.JspServlet.service
(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service
(HttpServlet.java:853)
at org.mortbay.jetty.servlet.ServletHolder.handle
(ServletHolder.java:360
)
at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch
(WebApplicati
onHandler.java:294)
at org.mortbay.jetty.servlet.ServletHandler.handle
(ServletHandler.java:5
58)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1714)
at org.mortbay.jetty.servlet.WebApplicationContext.handle
(WebApplication
Context.java:507)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1664)
at org.mortbay.http.HttpServer.service(HttpServer.java:863)
at org.jboss.jetty.Jetty.service(Jetty.java:460)
at org.mortbay.http.HttpConnection.service
(HttpConnection.java:775)
at org.mortbay.http.HttpConnection.handleNext
(HttpConnection.java:939)
at org.mortbay.http.HttpConnection.handle
(HttpConnection.java:792)
at org.mortbay.http.SocketListener.handleConnection
(SocketListener.java:
201)
at org.mortbay.util.ThreadedServer.handle
(ThreadedServer.java:289)
at org.mortbay.util.ThreadPool$PoolThread.run
(ThreadPool.java:455)
17:05:12,822 WARN [jbossweb] WARNING: Error 500 while serving error
page for 50
0
17:05:12,853 ERROR [STDERR] 05/08 17:05:12 ERROR %%500%%
Internal+Server+Error
it likes can not execute request.getHeader("Accept-Language");
who can tell me the reason?
thank you!
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