Not sure what you mean, the bean I'm referring to is a Spring bean not a
JavaBean (two unrelated concepts).. there is no requirement when using
the Spring framework to not create Spring beans of type String.
Regardless, this doesn't help explain why the String is being picked up
by the Struts framework and set on the redirect when there is nothing in
the configuration to indicate it should..
On 09/05/2011 07:13, Chris Pratt wrote:
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<mar...@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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