ViewScoped bean being initialized multiple times with includeViewParams="true"

[eng.dan...@gmail.com]

Hi,

I'm currently migrating an web application developed in JSF from Wildfly 26 to Wildfly28. All the code was refactored to jakarta.* and I'm experiencing some strange behaviour with ViewScoped beans.

On pages containing <h:link ... includeViewParams="true"/> the corresponding backing bean is being initialized multiple times.

Anyone facing the same issue?

More detail: https://stackoverflow.com/questions/76358930/viewscoped-bean-being-initialized-multiple-times-with-includeviewparams-true

Thanks for your help!

[Scott Marlow]

Have you tried to add Thread.dumpStack() to the backing bean?  That might show what is initializing that bean multiple times.  With that information, perhaps a tracking issue could then be opened.  

Scott

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[Daniel Novo]

Hi Scott,

Thanks for your reply. Attached the dump, i'm not sure what to look for.

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Daniel Novo

[eng.dan...@gmail.com]

This bug is fixed on mojarra 4.0.3.

After replacing mojarra on wildfly-29.0.0.Final\modules\system\layers\base\jakarta\faces\impl\main i was unable to reproduce the error.

Thanks

[Martin Choma]

I have created issue to upgrade Wildfly to Mojarra 4.0.3 https://issues.redhat.com/browse/WFLY-18362

[Martin Choma]

> corresponding backing bean is being initialized multiple times.

What exactly do you mean?I tried to reproduce it. When I load pageOne I see in console "Page One PostConstruct". When I click the pageTwo link, message "Page One PostConstruct" is printed in output again. What is what you do not expect? Only one such message?

[Daniel Novo]

Hi Martin,

Sorry, i was on vacation.

PageOne bean is ViewScoped, the expected behaviour is to print only one message.

Anyway, this is fixed on mojarra 4.0.3

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Daniel Novo