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From "Simone Gianni (JIRA)" <>
Subject [jira] Updated: (COCOON-1655) JavaFlow/CForm/select-list crash
Date Sun, 02 Apr 2006 17:12:44 GMT
     [ ]

Simone Gianni updated COCOON-1655:

    Attachment: javaflow-continuationstack.diff

Unfied diff of the given patch applied to latest 

Tested that it works correctly with samples (that means, at least samples keep working) but
not on the specified case of a flow calling another flow ..  anyway theorically it should

P.S. in doubt i marked the attachment as "not intended for inclusion", since IANAL and dunno
if the original author granted the licence for incusion.

> JavaFlow/CForm/select-list crash
> --------------------------------
>          Key: COCOON-1655
>          URL:
>      Project: Cocoon
>         Type: Bug

>   Components: Blocks: Java Flow
>     Versions: 2.1.7
>  Environment: Operating System: other
> Platform: Other
>     Reporter: Benoit Deshaies
>     Assignee: Cocoon Developers Team
>  Attachments: javaflow-continuationstack.diff
> I get an error whenever I include an <fd:selection-list src="cocoon:/XYZ"> where
> both the form and the XYZ pipeline use JavaFlow. The error is:
> No continuation is running 
> cause: java.lang.IllegalStateException: No continuation is running
> java.lang.IllegalStateException: No continuation is running
> 	at
> 	at
> 	at
> The reason is that when cocoon:/XYZ runs, a continuation is created for the same
> thread as the form continuation. The continuationsmap in Continuation class gets
> overwritten. When cocoon:/XYZ returns, the map is cleared for the thread,
> leaving no continuation for the form.
> Here's a bit of code from the app to help explain.
> The form contains a selection list defined as:
> <fd:field id="user">
>    <fd:datatype base="string"/>
>    <fd:selection-list src="cocoon:/UserSelectList" dynamic="true"/>
> </fd:field>
> The sitemap contains:
> <map:match pattern="UserSelectList">
>    <map:call function="generateUserList"/>
> </map:match>
> Then I have the following JavaFlow
> public void doGenerateUserList() throws Exception {
>    Collection userList = databaseManager.getUserList();
>    sendPage("user_list", new VarMap().add("list", userList) );
> }

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