Page Comparison

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    <MetadataProvider id="HTTPMetadata"
         xsi:type="FileBackedHTTPMetadataProvider"
         backingFile="/opt/shibboleth-idp/metadata/carsifed-metadata.xml"
         minRefreshDelay="PT5M"
         maxRefreshDelay="PT10M"
         metadataURL="https://www.carsi.edu.cn/carsimetadata/carsifed-metadata.xml">
        <MetadataFilter xsi:type="SignatureValidation" certificateFile="/opt/shibboleth-idp/credentials/dsmeta.pem" />
        <MetadataFilter xsi:type="EntityRoleWhiteList">
            <RetainedRole>md:SPSSODescriptor</RetainedRole>
        </MetadataFilter>

        <MetadataFilter xsi:type="Algorithm">
                <!-- CBC-only SPs. -->
                <md:EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#aes128-cbc" />
               <Entity><https://sp entity id1</Entity>
<Entity><https://sp entity id2</Entity>
        </MetadataFilter>

   </MetadataProvider>

20. IdP安装配置时，预上线环境测试显示登陆成功，但释放属性部分显示为空，这个一般是什么原因？

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