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https://issues.apache.org/jira/browse/WW-3488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12907660#action_12907660
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Maurizio Cucchiara commented on WW-3488:
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Hi Lukasz,
I think that Rajeev is right. Furthermore, if you apply this patch you have to
reopen this one https://issues.apache.org/jira/browse/WW-2869
What I meant to say two weeks ago is that everytime root.size is greater then
1 return always true inside shouldCopyStack method.
There is no other way. If you take a look at DefaultActionInvocation
implementation, the invoke method first "chains" interceptor's invocation and
after creates and executes result.
So, invocation.getResult yields always null inside ChainInterceptor in my
opinion (until ActionChainResult use new instance of DefaultActionInvocation).
Why did not you consider a Chainable interface?
Otherwise, you might consider passing information between ActionChainResult and
ChainingInterceptor through the ApplicationContext (I suppose CHAIN_HISTORY
parameter).
> ChainingInterceptor doesn't copy the value stack to the target action
> ---------------------------------------------------------------------
>
> Key: WW-3488
> URL: https://issues.apache.org/jira/browse/WW-3488
> Project: Struts 2
> Issue Type: Bug
> Components: Core Interceptors
> Affects Versions: 2.2.1
> Reporter: Mika Laukka
> Assignee: Lukasz Lenart
> Fix For: 2.2.2
>
> Attachments: WW-3488.patch
>
>
> This can be easily reproduced by running the bundled struts2-showcase web
> application.
> http://localhost:8080/struts2-showcase-2.2.1/actionchaining/actionChain1!input.action
> results in this:
> Action Chain 1 Property 1:
> Action Chain 2 Property 1:
> Action Chain 3 Property 1: Property set in Action Chain 3
> So clearly the properties set in action 1 and action 2 are lost in the
> chaining process.
> For comparison, version 2.0.14 output
> http://localhost:8080/struts2-showcase-2.0.14/actionchaining/actionChain1!input.action
> results in this:
> Action Chain 1 Property 1: Property Set In Action Chain 1
> Action Chain 2 Property 1: Property Set in Action Chain 2
> Action Chain 3 Property 1: Property set in Action Chain 3
> Which is the expected result. This bug may be related to fixing of WW-2869.
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