Unable to process the relying-party configuartion

[sarath upadrista]

Hello,
     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 sp.example.org is unknown host.

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.


------------------------------------

    <MetadataProvider id="ShibbolethMetadata"
xsi:type="ChainingMetadataProvider"
xmlns="urn:mace:shibboleth:2.0:metadata">
        <MetadataProvider id="ipau.sp.sso.manager"
xsi:type="ResourceBackedMetadataProvider"
xmlns="urn:mace:shibboleth:2.0:metadata" >
            <MetadataResource xsi:type="resource:FilesystemResource"
file="C:/build/SRDM2.3.0.7599.221.SSDI.7605/SRDM/Svr/IdP/IdPserver/metadata/idp-metadata.xml"
/>
        </MetadataProvider>


            <MetadataProvider id="ipau.sp.sso.manager.http" xsi:type="
FileBackedHTTPMetadataProvider" xmlns="urn:mace:shibboleth:2.0:metadata"
                          metadataURL="
https://sp.example.org/Shibboleth.sso/Metadata"

backingFile="../IdP/IdPserver/metadata/iPAU-SP-metadata.xml">
            <MetadataFilter xsi:type="ChainingFilter"
xmlns="urn:mace:shibboleth:2.0:metadata">
                <MetadataFilter xsi:type="RequiredValidUntil"
xmlns="urn:mace:shibboleth:2.0:metadata"
                                maxValidityInterval="15862569019" />


    </MetadataProvider>

------------------------------------

12:14:17.509 - ERROR
[org.opensaml.saml2.metadata.provider.HTTPMetadataProvider:273] - Error
retrieving metadata from https://sp.example.org/Shibboleth.sso/Metadata
java.net.UnknownHostException: sp.example.org
    at
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:178)
~[na:1.7.0_21]
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:157)
~[na:1.7.0_21]
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
~[na:1.7.0_21]
    at java.net.Socket.connect(Socket.java:579) ~[na:1.7.0_21]
    at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:618)
~[na:1.7.0_21]
    at
org.opensaml.ws.soap.client.http.TLSProtocolSocketFactory.createSocket(TLSProtocolSocketFactory.java:193)
~[openws-1.5.0.jar:na]
    at
org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707)
~[commons-httpclient-3.1.jar:na]
    at
org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(MultiThreadedHttpConnectionManager.java:1361)
~[commons-httpclient-3.1.jar:na]




Thanks & Regards,
Sarath U.
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