<div dir="ltr"><div><div>Hello,<br></div>     I am using the Shibboleth IDP 2.4.0 version. I am trying to upgrade my IDP version from 2.4.0 to 3.1.1 version. In the process I have installed the Shibboleth IDP 2.4.0 version separately. In the relaying-party.xml file I am using the below configuration. When I start the server, I am getting the below error:  It is complaining that <span style="background-color:rgb(255,255,0)"><a href="http://sp.example.org">sp.example.org</a> <span style="background-color:rgb(255,255,255)">is unknown host</span></span>.<br><br></div>In my actual project some how, though I have given the below configuration it is working fine. I previous collegue has created the below configuration. Please suggest me whether anywhere else the configuration is missing.<br><div><br><br>------------------------------------<br>
<br>
    <MetadataProvider id="ShibbolethMetadata" 
xsi:type="ChainingMetadataProvider" 
xmlns="urn:mace:shibboleth:2.0:metadata"><br>
        <MetadataProvider id="ipau.sp.sso.manager" 
xsi:type="ResourceBackedMetadataProvider" 
xmlns="urn:mace:shibboleth:2.0:metadata" ><br>
            <MetadataResource xsi:type="resource:FilesystemResource" 
file="C:/build/SRDM2.3.0.7599.221.SSDI.7605/SRDM/Svr/IdP/IdPserver/metadata/idp-metadata.xml"
 /><br>
        </MetadataProvider><br>
      <br>
<br>
            <MetadataProvider id="ipau.sp.sso.manager.http" xsi:type="<span style="background-color:rgb(255,255,0)">FileBackedHTTPMetadataProvider</span>" xmlns="urn:mace:shibboleth:2.0:metadata"<br>
                          metadataURL="<span style="background-color:rgb(255,255,0)"><a href="https://sp.example.org/Shibboleth.sso/Metadata">https://sp.example.org/Shibboleth.sso/Metadata</a></span>"<br>
                          backingFile="../IdP/IdPserver/metadata/iPAU-SP-metadata.xml"><br>
            <MetadataFilter xsi:type="ChainingFilter" xmlns="urn:mace:shibboleth:2.0:metadata"><br>
                <MetadataFilter xsi:type="RequiredValidUntil" xmlns="urn:mace:shibboleth:2.0:metadata"<br>
                                maxValidityInterval="15862569019" /><br>
     <br>
<br>
    </MetadataProvider><br>
<br>------------------------------------<br><br>12:14:17.509 - ERROR [org.opensaml.saml2.metadata.provider.HTTPMetadataProvider:273] - Error retrieving metadata from <a href="https://sp.example.org/Shibboleth.sso/Metadata">https://sp.example.org/Shibboleth.sso/Metadata</a><br>java.net.UnknownHostException: <span style="background-color:rgb(255,255,0)"><a href="http://sp.example.org">sp.example.org</a></span><br>    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:178) ~[na:1.7.0_21]<br>    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:157) ~[na:1.7.0_21]<br>    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391) ~[na:1.7.0_21]<br>    at java.net.Socket.connect(Socket.java:579) ~[na:1.7.0_21]<br>    at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:618) ~[na:1.7.0_21]<br>    at org.opensaml.ws.soap.client.http.TLSProtocolSocketFactory.createSocket(TLSProtocolSocketFactory.java:193) ~[openws-1.5.0.jar:na]<br>    at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707) ~[commons-httpclient-3.1.jar:na]<br>    at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(MultiThreadedHttpConnectionManager.java:1361) ~[commons-httpclient-3.1.jar:na]<br><br><br><br><br></div><div>Thanks & Regards,<br></div><div>Sarath U.<br></div></div>