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From: Chris Pratt <thechrispratt@gmail.com>
Date: Sun, 8 May 2011 23:13:10 -0700
Message-ID: <BANLkTimomOhghPwpjgF+6JddKK7zOf=N2g@mail.gmail.com>
Subject: Re: Strange behaviour with Spring
To: Struts Users Mailing List <user@struts.apache.org>
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You can't create beans that implement java.lang.String, it's immutable and
doesn't follow the bean spec.
  (*Chris*)

On Sun, May 8, 2011 at 2:11 PM, Marcus Bond <marcus@marcusbond.co.uk> wrote:

> Hi,
>
> I'm using Struts 2.2.3 and have observed some bizarre behavior when using
> Spring to provide my actions.. In order to simplify this and prove the
> problem I have created a project with a single static html file, and a
> single action in struts.xml which references a bean in my spring context
> file.
>
> What basically happens is that if I declare a bean in my spring context
> (bean unrelated toany struts action) that is of class java.lang.String (as I
> do for a log4j filepath) then when I perform a redirect in an action mapping
> this gets appended to the end of the url as the anchor.
>
> If I navigate to http://localhost:8080/My App/simpleRedirect
> the result is a reirect to the 'simple' action but note the url struts has
> redirected to:
>
> http://localhost:8080/MyApp/simple#this%20is%20a%20java.lang.String%20bean%20in%20my%20spring%20context
>
> For some reason the org.apache.struts2.dispatcher.ServletRedirectResult
> class is being instantiated by with the anchor and location constructor args
> set to the value of my spring bean by the StrutsSpringObjectFactory
>
> If I remove the String bean from the spring contect then the url behaves as
> normal, redirecting to:
> http://localhost:8080/MyApp/simple
>
> Have been scratching my head trying to find where this behaviour is
> happening but have run out of time.. is this a known issue?
>
> Files content:
> *Spring context file:*
>
> <?xml version="1.0" encoding="UTF-8"?>
> <beans xmlns="http://www.springframework.org/schema/beans"
>        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>        xmlns:aop="http://www.springframework.org/schema/aop"
>    xmlns:tx="http://www.springframework.org/schema/tx"
>    xsi:schemaLocation="http://www.springframework.org/schema/beans
> http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
>                        http://www.springframework.org/schema/tx
> http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
>                        http://www.springframework.org/schema/aop
> http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">
>
>    <!-- Expose String as a bean (usually for a file path)-->
>    <!-- Picked up by Struts and set as location and anchor on a redirect
> and presented in url
>        If commented out this does not happen -->
>    <bean id="someFileName" class="java.lang.String">
>        <constructor-arg value="this is a java.lang.String bean in my spring
> context" />
>    </bean>
>
>    <!--  action beans -->
>    <bean name ="simpleAction" class="uk.co.marcusbond.action.SimpleAction"
> scope="prototype" />
> </beans>
>
> *Struts file:*
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE struts PUBLIC
>    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
>    "http://struts.apache.org/dtds/struts-2.0.dtd">
> <struts>
>    <package name="simple" extends="struts-default">
>        <!-- returns success and shows index.html -->
>        <action name="simple"
>            class="simpleAction">
>            <result>index.html</result>
>        </action>
>
>        <!-- redirects through the 'simple' action -->
>        <action name="simpleRedirect">
>                <result name="success" type="redirect">simple</result>
>        </action>
>    </package>
> </struts>
>
> *Java class uk.co.marcusbond.action.SimpleAction*
> package uk.co.marcusbond.action;
>
> public class SimpleAction  {
>
>    public String execute() {
>        return "success";
>    }
> }
>
>
>

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