So I'm still struggling with that issue. I created a small example based on the
numberguess example that reproduce the problem (zip file available if needed).
I have the following classes:
| @Name("user")
| @Scope(ScopeType.CONVERSATION)
| public class User implements Serializable {
|
| private String pet;
|
| public String getPet() {
| return pet;
| }
|
| public void setPet(String pet) {
| this.pet = pet;
| }
| }
|
| @Name("navigation")
| @Scope(ScopeType.CONVERSATION)
| public class Navigation implements Serializable {
|
| @In(required=true)
| User user;
|
| @Logger
| private Log log;
|
| public String animalOutcome(){
| if (user == null){
| return "Dog"; // Just to make sure we don't return null
| }
| log.info("********* Outcome: " + user.getPet());
| return user.getPet();
| }
|
| public User getUser() {
| return user;
| }
|
| public void setUser(User user) {
| this.user = user;
| }
| }
|
| @Name("animals")
| public class AnimalList
| {
|
| private List<String> animals;
|
| @Unwrap
| public List<String> unwrap()
| {
| if (animals == null)
| {
| animals = new ArrayList<String>();
| animals.add("Dog");
| animals.add("Cat");
| animals.add("Goldfish");
| animals.add("Rabbit");
| animals.add("Snake");
| animals.add("Parrot");
| }
| return animals;
| }
| }
|
Pages.xhtml is defined as followed:
| <pages xmlns="http://jboss.com/products/seam/pages";
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
| xsi:schemaLocation="http://jboss.com/products/seam/pages
http://jboss.com/products/seam/pages-2.0.xsd";>
|
| <page view-id="/pageOne.xhtml">
| <begin-conversation join="true" pageflow="navigation" />
| </page>
|
| <page view-id="/animalPage.xhtml" action="#{navigation.animalOutcome}">
| <navigation>
| <rule if-outcome="Dog">
| <redirect view-id="/animal/dog.xhtml"/>
| </rule>
| <rule if-outcome="Cat">
| <redirect view-id="/animal/cat.xhtml"/>
| </rule>
| <rule if-outcome="Goldfish">
| <redirect view-id="/animal/goldfish.xhtml"/>
| </rule>
| <rule if-outcome="Rabbit">
| <redirect view-id="/animal/rabbit.xhtml"/>
| </rule>
| <rule if-outcome="Snake">
| <redirect view-id="/animal/snake.xhtml"/>
| </rule>
| <rule if-outcome="Parrot">
| <redirect view-id="/animal/parrot.xhtml"/>
| </rule>
| </navigation>
| </page>
|
| </pages>
|
The pageflow is defined as:
| <pageflow-definition
| xmlns="http://jboss.com/products/seam/pageflow";
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
| xsi:schemaLocation="http://jboss.com/products/seam/pageflow
http://jboss.com/products/seam/pageflow-2.0.xsd";
| name="navigation">
|
| <start-page name="displayChoice" view-id="/pageOne.xhtml">
| <redirect/>
| <transition name="next" to="animalPage" />
| </start-page>
|
| <page name="animalPage" view-id="/animalPage.xhtml">
| <end-conversation/>
| <redirect/>
| </page>
|
| </pageflow-definition>
|
And finally the pageOne.xhtml:
| <html xmlns="http://www.w3.org/1999/xhtml";
| xmlns:c="http://java.sun.com/jstl/core";
| xmlns:ui="http://java.sun.com/jsf/facelets";
| xmlns:h="http://java.sun.com/jsf/html";
| xmlns:f="http://java.sun.com/jsf/core";
| xmlns:s="http://jboss.com/products/seam/taglib";>
|
| <head>
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
| <title>Test Navigation</title>
| </head>
|
| <body>
| <div id="container">
| <h3>Choose an animal</h3>
| <h:form>
| <h:selectOneMenu value="#{user.pet}">
| <s:selectItems value="#{animals}" var="animal"
label="#{animal}" noSelectionLabel="Select your pet"/>
| </h:selectOneMenu>
|
| <h:commandButton value="Go To Pet Page" action="next" />
| </h:form>
| </div>
| </body>
| </html>
|
When I select an animal, I get the following stacktrace:
| INFO: Added Library from:
jar:file:/C:/Jboss/jboss-4.2.0.GA/server/default/tmp/d
|
eploy/tmp50163navigation.ear-contents/navigation-exp.war/WEB-INF/lib/jsf-facelet
| s.jar!/META-INF/jstl-core.taglib.xml
| 13:23:07,046 INFO [Navigation] ********* Outcome: Cat
| 13:23:07,218 INFO [Navigation] ********* Outcome: Cat
| 13:23:07,281 INFO [Navigation] ********* Outcome: Cat
| 13:23:07,359 INFO [Navigation] ********* Outcome: Cat
| 13:23:07,437 INFO [Navigation] ********* Outcome: Cat
| 13:23:07,515 INFO [Navigation] ********* Outcome: Cat
| 13:23:07,609 INFO [Navigation] ********* Outcome: Cat
| 13:23:07,687 INFO [Navigation] ********* Outcome: Cat
| 13:23:07,781 INFO [Navigation] ********* Outcome: Cat
| 13:23:07,859 INFO [Navigation] ********* Outcome: Cat
|
This is the stacktrace using firefox (FF detects the loop and stop the
recursion). On IE, the loop never ends.
I tried to debug but I didn't really find where the problem lies. I also tried
to change the pages.xml definition and played around quite bit.
If I move the outcome definition in faces-config.xml, I get the same problem.
That problem occurs only with Seam 2 (Seam 1.2.2 works fine).
So as a conclusion, I'm stuck :)
Do I do anything wrong? Is that a bug?
If someone want to code, I can upload a zip of the files somewhere.
Thanks.
Richard
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