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https://issues.apache.org/jira/browse/TAPESTRY-2533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Howard M. Lewis Ship closed TAPESTRY-2533.
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Resolution: Invalid
Assignee: Howard M. Lewis Ship
Service decorators are ordered objects; as with an OrderedConfiguration, the
decorators have unique ids (the part of the method name after "decorate") and
can have ordering constraints ("before:" and "after:", added via a method
annotation). What's happened here is that two different modules have defined a
decorator with the same id, causing a failure when the decorators are shuffled
into order of application. Modifying the method names will resolve your
problem. You'll then want to use @Match annotation t control what service(s)
to target. Without @Match, the decorator id is expected to match the service
id.
> Only one decorateRequestExceptionHandler is used even though I have defined
> more than one
> -----------------------------------------------------------------------------------------
>
> Key: TAPESTRY-2533
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2533
> Project: Tapestry
> Issue Type: Bug
> Affects Versions: 5.0.13
> Reporter: Martijn Brinkers
> Assignee: Howard M. Lewis Ship
> Attachments: decorateDemo.tar.gz
>
>
> I have two submodules and in each submodule I have defined a
> decorateRequestExceptionHandler. The problem is that only one is used.
> For only the first submodule that defines the
> decorateRequestExceptionHandler method the decorate method is called. If
> I add decorateRequestExceptionHandler to the 'main' module only the
> decorateRequestExceptionHandler method of the main module is called.
> I thought it was possible to have multiple decorators for the same
> service. From the Tapestry docs "It is also common to have multiple
> decorations on a single service. In this case, a whole stack of
> interceptor objects will be created, each delegating to the next.
> Tapestry IoC provides control over the order in which such decorations
> occur."
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