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https://issues.apache.org/jira/browse/TAPESTRY-1846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12536521
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Hugo Palma commented on TAPESTRY-1846:
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I do have the @Persist annotation on field _myBean, sorry.
I was thinking, the value of _myBean is reset to it's default value after the
flash persister removes the value from the session. This default value is kept
by tapestry right ? In this case it would be the MyBean reference.
So, this means that as Tapestry is holding a reference to the MyBean instance
that is used to initialize the property then that same instance is also getting
updated by the page. When Tapestry resets the property to it's default value
it's actually providing the already changed instance. I'm not sure if i'm
making sense here but if i am maybe this is the cause of the problem and i
guess the solution would be for Tapestry to hold the default value in a
serialized form instead of the object itself.
> Page fields not getting cleaned up in pool
> ------------------------------------------
>
> Key: TAPESTRY-1846
> URL: https://issues.apache.org/jira/browse/TAPESTRY-1846
> Project: Tapestry
> Issue Type: Bug
> Components: tapestry-core
> Affects Versions: 5.0.6
> Reporter: Hugo Palma
>
> Here's my use case that shows the problem.
> I have a page class with the following field:
> private MyBean _myBean = new MyBean("default");
> where MyBean is a simple class like:
> public class MyBean {
> private String _value;
> public MyBean(String value){
> _value = value;
> }
> public String getValue() {
> return _value;
> }
> public void setValue(String value) {
> _value = value;
> }
> }
> In the page class i have this meta annotation:
> @Meta({"tapestry.persistence-strategy=flash"})
> In my page template i have this textfield inside a form:
> <t:textfield value="myBean.value"/>
> So, the expected behaviour would be for the textfield value to be reset to
> "default" when i refreshed the page after it rendered just like any other
> normal textfield. But no, after i submit the form once this textfield will
> always have the submited value and it will never again reset to the default
> value. All other fields on the same page reset to their default values, this
> one doesn't.
> The only difference between this field and the other fields is that the other
> fields access the property directly while this access the property though a
> bean.
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