An alternate design for the Struts 2.x timeframe might be to gather everything the framework uses into single context objects, perhaps named after the servlet. So the "action" servlet would have an "action" context in the application and session scope, and the "differentAction" servlet would have it's own "differentAction" context object. Inside of each context (a Map) would be things like the message resources and Locale the servlet and client are using.
Then, when a request is being serviced, a default gateway context can be placed in the request that would link to the appropriate session and application contexts for a given controller instance. This is essentially what the module code does now, but with all the complications that backward compatibility brings.
Of course, complications still arise. Such as if the "action" servlet changes the Locale for a client, is the "differentAction" servlet suppose to see that change? So, there might still be a global framework context at the top of the chain, which a controller instance could update and the other controllers could see.
Another advantage here is that it would be easier for Struts applications to pass along its context to a business layer without binding that layer to HTTP. An Action could pass up the Context chain without passing the HTTP request itself, or pulling things out piecemeal.
-Ted.
[EMAIL PROTECTED] wrote:
I'm with Edgar on this one - should it not be possible? Of course, I tried the following:
<servlet-mapping> <servlet-name>action</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping>
<servlet-mapping> <servlet-name>differentAction</servlet-name> <url-pattern>*.dont</url-pattern> </servlet-mapping>
with each mapping to different action servlets with different config files and everything got bunged up. It seems like it should have worked but alas.
Perhaps it is a bit of a green question, but why would it not work?
Best,
Alvin
Quoting Edgar P Dollin <[EMAIL PROTECTED]>:
Why wouldn't changing the servlet mapping from *.do --> action servlet to *.[actiontype] --> [associated action servlet] work? As long as you are consistent would struts care?
Edgar
-----Original Message-----
From: Ted Husted [mailto:[EMAIL PROTECTED] Sent: Friday, November 14, 2003 7:10 AM
To: Struts Developers List
Subject: Re: Multi Action servlet !
People have done it, but it's a delicate thing to try. The recommended approach is to use Struts 1.1 modules. To customize the front controller logic for each module, you can plug in alternate Request Processors if needed. This gives you all the benefits of having multiple servlets, without the extra overhead. (There is *no* performance benefit in having multiple servlets that do the same thing.)
A better place to ask questions like this would be the Struts USER list. This is where you'd ask if we were going to support multiple servlets in the future. (Answer to that one: not any time soon.)
-Ted.
Karikalan Kumaresan wrote:
Hi,
Does anyone know, is it possible to have 2 action servlet
configured
in struts for different project in a same JVM/in same webserver.
Cheers, Kari...
-----Original Message----- From: Steve Raeburn [mailto:[EMAIL PROTECTED] Sent: 14 November 2003 07:15 To: Struts Developers List Subject: RE: Parsing Error in struts
Most likely you haven't closed a JSP tag correctly. Try
commenting out
sections of your JSP to narrow down where the error is.
But you should be asking on the struts-user list not here.
Steve
-----Original Message----- From: Abhijeet Mahalkar [mailto:[EMAIL PROTECTED] Sent: November 13, 2003 9:21 PM To: Struts Developers List Subject: Parsing Error in struts
I am getting following error is there anybody who can guide
me for he
same....
[11/14/03 10:38:12:954 GMT+05:30] 11d6d752 WebGroup E
SRVE0026E:
[Servlet Error]-[End of content reached while more parsing
required: tag
nesting error?]: org.apache.jasper.compiler.ParseException:
End of content
reached while more parsing required: tag nesting error?
at org.apache.jasper.compiler.JspReader.popFile(JspReader.java:293)
at org.apache.jasper.compiler.JspReader.hasMoreInput(JspReader.ja
va(Compiled
Code))
at
org.apache.jasper.compiler.Parser.parse(Parser.java(Compiled Code))
at
org.apache.jasper.compiler.Parser.parse(Parser.java(Inlined Compiled
Code))
at
org.apache.jasper.compiler.Parser$Tag.accept(Parser.java(Compi
led Code))
at
org.apache.jasper.compiler.Parser.parse(Parser.java(Compiled Code))
at
org.apache.jasper.compiler.Parser.parse(Parser.java(Inlined Compiled
Code))
at
org.apache.jasper.compiler.Parser$Tag.accept(Parser.java(Compi
led Code))
at
org.apache.jasper.compiler.Parser.parse(Parser.java(Compiled Code))
at
org.apache.jasper.compiler.Parser.parse(Parser.java(Inlined Compiled
Code))
at
org.apache.jasper.compiler.Parser$Tag.accept(Parser.java(Compi
led Code))
at
org.apache.jasper.compiler.Parser.parse(Parser.java(Compiled Code))
at org.apache.jasper.compiler.Parser.parse(Parser.java:1110)
at org.apache.jasper.compiler.Parser.parse(Parser.java:1106)
at
org.apache.jasper.compiler.ParserController.parse(ParserContro
ller.java:309)
at
org.apache.jasper.compiler.Compiler.compile(Compiler.java(Compiled
Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.loadJSP(JspServ let.java(Compi led Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet$JspServletWrapp er.loadIfNeces sary(JspServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet$JspServletWrapp er.service(Jsp Servlet.java(Compiled Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.serviceJspFile( JspServlet.jav a(Compiled Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.service(JspServ let.java(Compi led Code)) at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compil ed Code)) at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doServic e(StrictServle tInstance.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._servic e(StrictLifecy cleServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.IdleServletState.service(Stric tLifecycleServ let.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service (StrictLifecyc leServlet.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstance.service(Servle tInstance.java (Compiled Code)) at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dis patch(ValidSer vletReferenceState.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispa tch(ServletIns tanceReference.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleW ebAppDispatch( WebAppRequestDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatc h(WebAppReques tDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward (WebAppRequest Dispatcher.java(Compiled Code)) at org.apache.struts.action.RequestProcessor.doForward(RequestPro cessor.java:10 69) at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesR equestProcesso r.java:274) at org.apache.struts.action.RequestProcessor.processForwardConfig (RequestProces sor.java:455) at org.apache.struts.tiles.TilesRequestProcessor.processForwardCo nfig(TilesRequ estProcessor.java:320) at org.apache.struts.action.RequestProcessor.process(RequestProce ssor.java:279) at org.apache.struts.action.ActionServlet.process(ActionServlet.j ava:1480) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:506) at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compil ed Code)) at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compil ed Code)) at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doServic e(StrictServle tInstance.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._servic e(StrictLifecy cleServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.IdleServletState.service(Stric tLifecycleServ let.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service (StrictLifecyc leServlet.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstance.service(Servle tInstance.java (Compiled Code)) at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dis patch(ValidSer vletReferenceState.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispa tch(ServletIns tanceReference.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleW ebAppDispatch( WebAppRequestDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatc h(WebAppReques tDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward (WebAppRequest Dispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvo ker.java(Compi led Code)) at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook (WebAppInvoker .java(Compiled Code)) at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.hand leInvocation(C achedInvocation.java(Compiled Code)) at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchBy URI(ServletReq uestProcessor.java(Compiled Code)) at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.serv ice(OSEListene r.java(Compiled Code)) at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(Http Connection.jav a(Compiled Code)) at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnec tion.java(Comp iled Code)) at com.ibm.ws.http.HttpConnection.run(HttpConnection.java(Compi
led Code))
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java(Compil
ed Code))
thankx in advace...
abhijeet
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--
Ted Husted,
Junit in Action - <http://www.manning.com/massol/>,
Struts in Action - <http://husted.com/struts/book.html>,
JSP Site Design - <http://www.amazon.com/exec/obidos/ISBN=> 1861005512>.
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-- Ted Husted, Junit in Action - <http://www.manning.com/massol/>, Struts in Action - <http://husted.com/struts/book.html>, JSP Site Design - <http://www.amazon.com/exec/obidos/ISBN=1861005512>.
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