diff --git a/backend/src/main/groovy/edu/internet2/tier/shibboleth/admin/ui/service/JPAMetadataResolverServiceImpl.groovy b/backend/src/main/groovy/edu/internet2/tier/shibboleth/admin/ui/service/JPAMetadataResolverServiceImpl.groovy
index 4c0229b22..049869b64 100644
--- a/backend/src/main/groovy/edu/internet2/tier/shibboleth/admin/ui/service/JPAMetadataResolverServiceImpl.groovy
+++ b/backend/src/main/groovy/edu/internet2/tier/shibboleth/admin/ui/service/JPAMetadataResolverServiceImpl.groovy
@@ -32,6 +32,7 @@ import groovy.util.logging.Slf4j
 import groovy.xml.DOMBuilder
 import groovy.xml.MarkupBuilder
 import net.shibboleth.utilities.java.support.scripting.EvaluableScript
+import org.apache.commons.collections.CollectionUtils
 import org.opensaml.saml.common.profile.logic.EntityIdPredicate
 import org.opensaml.saml.metadata.resolver.MetadataResolver
 import org.opensaml.saml.metadata.resolver.filter.MetadataFilter
@@ -229,7 +230,7 @@ class JPAMetadataResolverServiceImpl implements MetadataResolverService {
 
                 maxConnectionsTotal: resolver.maxConnectionsTotal,
                 maxConnectionsPerRoute: resolver.maxConnectionsPerRoute,
-                supportedContentTypes: resolver.supportedContentTypes?.value, //not sure this is right. maybe take off the ?.value
+                supportedContentTypes: CollectionUtils.isEmpty(resolver.supportedContentTypes ) ? null : resolver.supportedContentTypes,
 
                 httpClientRef: resolver.httpMetadataResolverAttributes?.httpClientRef,
                 connectionRequestTimeout: resolver.httpMetadataResolverAttributes?.connectionRequestTimeout,
@@ -436,7 +437,7 @@ class JPAMetadataResolverServiceImpl implements MetadataResolverService {
             xml.omitEmptyAttributes = true
             xml.omitNullAttributes = true
 
-            xml.MetadataProvider(id: 'ShibbolethMetadata',
+            xml.MetadataProvider(id: 'ShibbolethIdPUIGeneratedMetadata',
                     xmlns: 'urn:mace:shibboleth:2.0:metadata',
                     'xmlns:xsi': 'http://www.w3.org/2001/XMLSchema-instance',
                     'xsi:type': 'ChainingMetadataProvider',
diff --git a/backend/src/test/resources/conf/1059-disabled.xml b/backend/src/test/resources/conf/1059-disabled.xml
index 952c86ee6..c53ed9bb1 100644
--- a/backend/src/test/resources/conf/1059-disabled.xml
+++ b/backend/src/test/resources/conf/1059-disabled.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file is an EXAMPLE metadata configuration file. -->
-<MetadataProvider id="ShibbolethMetadata" xsi:type="ChainingMetadataProvider"
+<MetadataProvider id="ShibbolethIdPUIGeneratedMetadata" xsi:type="ChainingMetadataProvider"
                   xmlns="urn:mace:shibboleth:2.0:metadata"
                   xmlns:resource="urn:mace:shibboleth:2.0:resource"
                   xmlns:security="urn:mace:shibboleth:2.0:security"
diff --git a/backend/src/test/resources/conf/1059-enabled.xml b/backend/src/test/resources/conf/1059-enabled.xml
index 4ad4263c1..64d035e12 100644
--- a/backend/src/test/resources/conf/1059-enabled.xml
+++ b/backend/src/test/resources/conf/1059-enabled.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file is an EXAMPLE metadata configuration file. -->
-<MetadataProvider id="ShibbolethMetadata" xsi:type="ChainingMetadataProvider"
+<MetadataProvider id="ShibbolethIdPUIGeneratedMetadata" xsi:type="ChainingMetadataProvider"
                   xmlns="urn:mace:shibboleth:2.0:metadata"
                   xmlns:resource="urn:mace:shibboleth:2.0:resource"
                   xmlns:security="urn:mace:shibboleth:2.0:security"
diff --git a/backend/src/test/resources/conf/278.2.xml b/backend/src/test/resources/conf/278.2.xml
index 9218ebcd5..684b744ba 100644
--- a/backend/src/test/resources/conf/278.2.xml
+++ b/backend/src/test/resources/conf/278.2.xml
@@ -1,5 +1,5 @@
-<MetadataProvider id='ShibbolethMetadata' xmlns='urn:mace:shibboleth:2.0:metadata' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:type='ChainingMetadataProvider' xsi:schemaLocation='urn:mace:shibboleth:2.0:metadata http://shibboleth.net/schema/idp/shibboleth-metadata.xsd urn:mace:shibboleth:2.0:resource http://shibboleth.net/schema/idp/shibboleth-resource.xsd urn:mace:shibboleth:2.0:security http://shibboleth.net/schema/idp/shibboleth-security.xsd urn:oasis:names:tc:SAML:2.0:metadata http://docs.oasis-open.org/security/saml/v2.0/saml-schema-metadata-2.0.xsd urn:oasis:names:tc:SAML:2.0:assertion http://docs.oasis-open.org/security/saml/v2.0/saml-schema-assertion-2.0.xsd'>
-    <MetadataProvider id='DynamicHTTP' xsi:type='DynamicHTTPMetadataProvider' removeIdleEntityData='true' maxConnectionsTotal='100' maxConnectionsPerRoute='100' supportedContentTypes='[]'>
+<MetadataProvider id='ShibbolethIdPUIGeneratedMetadata' xmlns='urn:mace:shibboleth:2.0:metadata' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:type='ChainingMetadataProvider' xsi:schemaLocation='urn:mace:shibboleth:2.0:metadata http://shibboleth.net/schema/idp/shibboleth-metadata.xsd urn:mace:shibboleth:2.0:resource http://shibboleth.net/schema/idp/shibboleth-resource.xsd urn:mace:shibboleth:2.0:security http://shibboleth.net/schema/idp/shibboleth-security.xsd urn:oasis:names:tc:SAML:2.0:metadata http://docs.oasis-open.org/security/saml/v2.0/saml-schema-metadata-2.0.xsd urn:oasis:names:tc:SAML:2.0:assertion http://docs.oasis-open.org/security/saml/v2.0/saml-schema-assertion-2.0.xsd'>
+    <MetadataProvider id='DynamicHTTP' xsi:type='DynamicHTTPMetadataProvider' removeIdleEntityData='true' maxConnectionsTotal='100' maxConnectionsPerRoute='100'>
         <MetadataFilter xsi:type='SignatureValidation' xmlns:md='urn:oasis:names:tc:SAML:2.0:metadata' certificateFile='%{idp.home}/credentials/inc-md-cert.pem' />
         <MetadataFilter xsi:type='RequiredValidUntil' maxValidityInterval='P14D' />
         <MetadataFilter xsi:type='EntityAttributes'><saml:Attribute xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion" Name="here" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri">
diff --git a/backend/src/test/resources/conf/278.xml b/backend/src/test/resources/conf/278.xml
index 46e57a6b4..918ffc0ae 100644
--- a/backend/src/test/resources/conf/278.xml
+++ b/backend/src/test/resources/conf/278.xml
@@ -1,5 +1,5 @@
-<MetadataProvider id='ShibbolethMetadata' xmlns='urn:mace:shibboleth:2.0:metadata' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:type='ChainingMetadataProvider' xsi:schemaLocation='urn:mace:shibboleth:2.0:metadata http://shibboleth.net/schema/idp/shibboleth-metadata.xsd urn:mace:shibboleth:2.0:resource http://shibboleth.net/schema/idp/shibboleth-resource.xsd urn:mace:shibboleth:2.0:security http://shibboleth.net/schema/idp/shibboleth-security.xsd urn:oasis:names:tc:SAML:2.0:metadata http://docs.oasis-open.org/security/saml/v2.0/saml-schema-metadata-2.0.xsd urn:oasis:names:tc:SAML:2.0:assertion http://docs.oasis-open.org/security/saml/v2.0/saml-schema-assertion-2.0.xsd'>
-    <MetadataProvider id='DynamicHTTP' xsi:type='DynamicHTTPMetadataProvider' removeIdleEntityData='true' maxConnectionsTotal='100' maxConnectionsPerRoute='100' supportedContentTypes='[]'>
+<MetadataProvider id='ShibbolethIdPUIGeneratedMetadata' xmlns='urn:mace:shibboleth:2.0:metadata' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:type='ChainingMetadataProvider' xsi:schemaLocation='urn:mace:shibboleth:2.0:metadata http://shibboleth.net/schema/idp/shibboleth-metadata.xsd urn:mace:shibboleth:2.0:resource http://shibboleth.net/schema/idp/shibboleth-resource.xsd urn:mace:shibboleth:2.0:security http://shibboleth.net/schema/idp/shibboleth-security.xsd urn:oasis:names:tc:SAML:2.0:metadata http://docs.oasis-open.org/security/saml/v2.0/saml-schema-metadata-2.0.xsd urn:oasis:names:tc:SAML:2.0:assertion http://docs.oasis-open.org/security/saml/v2.0/saml-schema-assertion-2.0.xsd'>
+    <MetadataProvider id='DynamicHTTP' xsi:type='DynamicHTTPMetadataProvider' removeIdleEntityData='true' maxConnectionsTotal='100' maxConnectionsPerRoute='100'>
         <MetadataFilter xsi:type='SignatureValidation' xmlns:md='urn:oasis:names:tc:SAML:2.0:metadata' certificateFile='%{idp.home}/credentials/inc-md-cert.pem' />
         <MetadataFilter xsi:type='RequiredValidUntil' maxValidityInterval='P14D' />
         <MetadataFilter xsi:type='EntityRoleWhiteList' xmlns:md='urn:oasis:names:tc:SAML:2.0:metadata'>
diff --git a/backend/src/test/resources/conf/670.xml b/backend/src/test/resources/conf/670.xml
index 952c86ee6..c53ed9bb1 100644
--- a/backend/src/test/resources/conf/670.xml
+++ b/backend/src/test/resources/conf/670.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file is an EXAMPLE metadata configuration file. -->
-<MetadataProvider id="ShibbolethMetadata" xsi:type="ChainingMetadataProvider"
+<MetadataProvider id="ShibbolethIdPUIGeneratedMetadata" xsi:type="ChainingMetadataProvider"
                   xmlns="urn:mace:shibboleth:2.0:metadata"
                   xmlns:resource="urn:mace:shibboleth:2.0:resource"
                   xmlns:security="urn:mace:shibboleth:2.0:security"
diff --git a/backend/src/test/resources/conf/984-2.xml b/backend/src/test/resources/conf/984-2.xml
index f6db94956..f6d12472d 100644
--- a/backend/src/test/resources/conf/984-2.xml
+++ b/backend/src/test/resources/conf/984-2.xml
@@ -1,4 +1,4 @@
-<MetadataProvider id='ShibbolethMetadata' xmlns='urn:mace:shibboleth:2.0:metadata' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:type='ChainingMetadataProvider' xsi:schemaLocation='urn:mace:shibboleth:2.0:metadata http://shibboleth.net/schema/idp/shibboleth-metadata.xsd urn:mace:shibboleth:2.0:resource http://shibboleth.net/schema/idp/shibboleth-resource.xsd urn:mace:shibboleth:2.0:security http://shibboleth.net/schema/idp/shibboleth-security.xsd urn:oasis:names:tc:SAML:2.0:metadata http://docs.oasis-open.org/security/saml/v2.0/saml-schema-metadata-2.0.xsd urn:oasis:names:tc:SAML:2.0:assertion http://docs.oasis-open.org/security/saml/v2.0/saml-schema-assertion-2.0.xsd'>
+<MetadataProvider id='ShibbolethIdPUIGeneratedMetadata' xmlns='urn:mace:shibboleth:2.0:metadata' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:type='ChainingMetadataProvider' xsi:schemaLocation='urn:mace:shibboleth:2.0:metadata http://shibboleth.net/schema/idp/shibboleth-metadata.xsd urn:mace:shibboleth:2.0:resource http://shibboleth.net/schema/idp/shibboleth-resource.xsd urn:mace:shibboleth:2.0:security http://shibboleth.net/schema/idp/shibboleth-security.xsd urn:oasis:names:tc:SAML:2.0:metadata http://docs.oasis-open.org/security/saml/v2.0/saml-schema-metadata-2.0.xsd urn:oasis:names:tc:SAML:2.0:assertion http://docs.oasis-open.org/security/saml/v2.0/saml-schema-assertion-2.0.xsd'>
     <MetadataProvider id='DynamicHttpMetadataResolver' xsi:type='DynamicHTTPMetadataProvider' removeIdleEntityData='true' maxConnectionsTotal='100' maxConnectionsPerRoute='100'>
         <MetadataFilter xsi:type='EntityAttributes'>
             <AttributeFilterScript>
diff --git a/backend/src/test/resources/conf/984.xml b/backend/src/test/resources/conf/984.xml
index 42328a0c0..ad76d7bbd 100644
--- a/backend/src/test/resources/conf/984.xml
+++ b/backend/src/test/resources/conf/984.xml
@@ -1,4 +1,4 @@
-<MetadataProvider id='ShibbolethMetadata' xmlns='urn:mace:shibboleth:2.0:metadata' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:type='ChainingMetadataProvider' xsi:schemaLocation='urn:mace:shibboleth:2.0:metadata http://shibboleth.net/schema/idp/shibboleth-metadata.xsd urn:mace:shibboleth:2.0:resource http://shibboleth.net/schema/idp/shibboleth-resource.xsd urn:mace:shibboleth:2.0:security http://shibboleth.net/schema/idp/shibboleth-security.xsd urn:oasis:names:tc:SAML:2.0:metadata http://docs.oasis-open.org/security/saml/v2.0/saml-schema-metadata-2.0.xsd urn:oasis:names:tc:SAML:2.0:assertion http://docs.oasis-open.org/security/saml/v2.0/saml-schema-assertion-2.0.xsd'>
+<MetadataProvider id='ShibbolethIdPUIGeneratedMetadata' xmlns='urn:mace:shibboleth:2.0:metadata' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:type='ChainingMetadataProvider' xsi:schemaLocation='urn:mace:shibboleth:2.0:metadata http://shibboleth.net/schema/idp/shibboleth-metadata.xsd urn:mace:shibboleth:2.0:resource http://shibboleth.net/schema/idp/shibboleth-resource.xsd urn:mace:shibboleth:2.0:security http://shibboleth.net/schema/idp/shibboleth-security.xsd urn:oasis:names:tc:SAML:2.0:metadata http://docs.oasis-open.org/security/saml/v2.0/saml-schema-metadata-2.0.xsd urn:oasis:names:tc:SAML:2.0:assertion http://docs.oasis-open.org/security/saml/v2.0/saml-schema-assertion-2.0.xsd'>
     <MetadataProvider id='DynamicHttpMetadataResolver' xsi:type='DynamicHTTPMetadataProvider' removeIdleEntityData='true' maxConnectionsTotal='100' maxConnectionsPerRoute='100'>
         <MetadataFilter xsi:type='EntityAttributes'>
             <AttributeFilterScript>