[jira] Assigned: (TAP5-1393) Exception thrown when rendering Form with validate parameter bound to a bean that is null after onActivate()

["Igor Drobiazko (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TAP5-1393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Igor Drobiazko reassigned TAP5-1393:
------------------------------------

    Assignee: Igor Drobiazko

> Exception thrown when rendering Form with validate parameter bound to a bean that is null after onActivate()
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: TAP5-1393
>                 URL: https://issues.apache.org/jira/browse/TAP5-1393
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-beanvalidator
>    Affects Versions: 5.2.4
>            Reporter: Matheus Eduardo Machado Moreira
>            Assignee: Igor Drobiazko
>         Attachments: EditarPermissao.java, EditarPermissao.tml, Permissao.java, stacktrace.txt
>
>
> An exception is throw when trying to render a Form whose validate parameter is bound to a bean that is null after onActivate():
> ERROR tapestry.render.br.com.eteg.cromoup.pages.acesso.EditarPermissao - Render queue error in BeginRender[acesso/EditarPermissao:nome]: Class cannot be null
> The attached files show a scenario where the bug occur. Basically it shows an edit page that initialize a bean (that is bound to the validate parameter of the Form) at onValidate() if a not-null id is passed as the initialization context. If the id is null the bean is initialized at onPrepare(), just after the Form starts to render itself. The problem seems to happen because the "prepare" (and "prepare_to_render") event are triggered *after* the Form component pushes a BeanValidationContextImpl into the Environment.

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