Is IDP tied to specific spring version?

[Brian Reindel]

I've successfully upgraded the IdP WAR to use Spring 3.2.x, and I have
not experienced any problems (yet). I have attributes that get passed
that use the SAML2String encoder, and no exceptions are thrown.
Everything appears to be working as it should.

On Tue, Jul 30, 2013 at 8:33 AM, avalanche333 <Matthew.R.Zmuda at td.com> wrote:
> For the record in-case there is plans to upgrade shibboleth to Spring 3.0.x
> the issue is
> thatedu.internet2.middleware.shibboleth.common.config.attribute.encoding.SAML2StringAttributeEncoderBeanDefinitionParser
> forces you to set an attribute "name". This name value ultimately gets
> registered in the org.springframework.core.SimpleAliasRegistry - aliasMap.
> However its the base class that actually uses the name so I suppose this
> would impact anything that extends
> edu.internet2.middleware.shibboleth.common.config.attribute.encoding.BaseAttributeEncoderBeanDefinitionParser
> and uses the name attribute.
>
> So at startup when the beans get loaded the AttributeEncoders defined in
> attribute-resolver that use type SAML2String (or anything that extends
> resolver:BaseAttributeEncoderType) with name attribute set would be ignored
> because Spring 3.0 had a change in the way it loads beans to get the name
> set and register it into the aliasMap. Once that name is in the alias map
> there is a check in
> org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType
> to only load beans with a name that is NOT found in the aliasMap.
>
> Spring 2.5.x does not have an issue because Spring does not add the name to
> the alias map.
>
> The call that triggers all this loading from shibboleth is in:
>
> edu.internet2.middleware.shibboleth.common.attribute.resolver.provider.ShibbolethAttributeResolver.onNewContextCreated(ApplicationContext
> newServiceContext) throws ServiceException
>
> beanNames =
> newServiceContext.getBeanNamesForType(AttributeDefinition.class);
>
>
>
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