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https://issues.apache.org/jira/browse/WSS-697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17535116#comment-17535116
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Colm O hEigeartaigh commented on WSS-697:
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What change do you suggest to be made to how the manually configured pool is
created in WSS4J?
> OpenSAMLUtil overrides OpenSAML configured by OpenSAML’s InitializationService
> ------------------------------------------------------------------------------
>
> Key: WSS-697
> URL: https://issues.apache.org/jira/browse/WSS-697
> Project: WSS4J
> Issue Type: Bug
> Components: WSS4J Core
> Affects Versions: 2.2.7, 2.3.3, 2.4.1
> Reporter: Alex Wolfe
> Assignee: Colm O hEigeartaigh
> Priority: Minor
>
> When using WSS4J alongside other dependencies which also rely on OpenSAML,
> the OpenSAMLUtil.initSamlEngine() can override the existing configuration of
> OpenSAML, potentially causing issues with how the parser pool is configured.
> In my use case:
> * OpenSAML is initialized first with the
> org.opensaml.core.config.InitializationService introduced in OpenSAML 3
> * XMLSec is used for decryption, so
> org.opensaml.xmlsec.config.DecryptionParserPoolInitializer adds a
> decryption-specific feature to the parser pool at this time.
> * Later, an interceptor in cxf-rt-ws-security called into
> OpenSAMLUtil.initSamlEngine(), overriding the OpenSAML configuration and
> parser pool.
> In WSS4J 2.2.6, due to WSS-678, this caused the DecryptionParserPool to be
> completely removed, but after upgrading to 2.3.1+ or 2.4.0+, this causes it
> to be replaced with the manually configured pool from OpenSAMLUtil without
> the needed feature.
> I have been able to work around this by explicitly calling OpenSAML’s
> InitializationService after WSS4J’s OpenSAMLUtil.
> Relevant dependencies and versions in my project include:
> * Java 8
> * OpenSAML 3.4.6 (including org.opensaml:opensaml-xmlsec-api)
> * org.apache.cxf:cxf-rt-ws-security:3.3.11
> * org.apache.santuario:xmlsec:2.1.7
> * net.shibboleth.utilities:java-support:7.5.2
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