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Trouble with reusable components (and XMLHTTPRequest ?)

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Trouble with reusable components (and XMLHTTPRequest ?)

Subject: Trouble with reusable components (and XMLHTTPRequest ?)
From: Stephane Guyot <email@hidden>
Date: Wed, 12 Oct 2005 20:45:25 +0200


Hi list,

we currently have an exception with a reusable components.

Reusable Component X ----> inside Reusable Component Y ------> inside WOComponent Z ( top level component )

X and Y are stateless and every works fine until the submit of the FORM in the page Z. When the form submit we have the following exception :

.......

[2005-10-12 11:31:53 CEST] <WorkerThread5> [ Reusable Component Y(2593530)] [invokeAction] [2005-10-12 11:31:53 CEST] <WorkerThread5> [ Log] #################################################### Session [invokeAction] Exception ####################################################

java.lang.NullPointerException at com.webobjects.appserver._private.WOComponentReference. _popComponentFromContext(WOComponentReference.java:99) at com.webobjects.appserver. _private.WOComponentReference.invokeAction(WOComponentReference.java: 114) at com.webobjects.appserver. _private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:101) at com.webobjects.appserver. _private.WODynamicGroup.invokeAction(WODynamicGroup.java:110) at com.webobjects.appserver. _private.WOComponentContent.invokeAction(WOComponentContent.java:31) at com.webobjects.appserver. _private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:101) at com.webobjects.appserver. _private.WODynamicGroup.invokeAction(WODynamicGroup.java:110) at com.webobjects.appserver. _private.WOForm.invokeAction(WOForm.java:82)

I'm not sure we are in the standard situation, the last time an action is invoke on the server side it's done with an XMLHTTPRequest, and the last action invoked belongs to the reusable component X, does not respond with a perfomParentAction, but rather with a WOResponse containing XML string.

When we come back again in the submit, apparently the reusable component Y doesn't have any parent.


Any ideas, suggestions are very very ... wellcome

Thanks,
Stephane

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