Error in Shibboleth IdP

[Geo P.C.]

We configured Shibboleth IdP as per the instruction in
https://wiki.shibboleth.net/confluence/display/SHIB2/IdPInstall and tested
with testshib. While testing Identity Provider through
https://sp.testshib.org/ we given the entityID as
https://shibboleth.citrus.local/idp/shibboleth but we are getting an error
message in browser as follows:
------------- ERROR

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*Error Message: Error decoding authentication request message*
*-----------------*
*In idp-process.log it shows:*
**
12:33:18.417 - INFO [Shibboleth-Access:74] -
20120321T070318Z|192.168.1.75|shibboleth.citrus.local:443|/profile/SAML2/Redirect/SSO|
12:33:19.459 - ERROR
[edu.internet2.middleware.shibboleth.idp.authn.AuthenticationEngine:618] -
No user identified by login handler.
12:33:19.467 - ERROR
[edu.internet2.middleware.shibboleth.idp.authn.AuthenticationEngine:563] -
Authentication failed with the error:
edu.internet2.middleware.shibboleth.idp.authn.AuthenticationException: No
user identified by login handler.
 at
edu.internet2.middleware.shibboleth.idp.authn.AuthenticationEngine.validateSuccessfulAuthentication(AuthenticationEngine.java:619)
[shibboleth-identityprovider-2.3.6.jar:na]
................
  12:33:19.475 - INFO [Shibboleth-Access:74] -
20120321T070319Z|192.168.1.75|shibboleth.citrus.local:443|/profile/SAML2/Redirect/SSO|
12:33:19.481 - WARN
[edu.internet2.middleware.shibboleth.idp.profile.saml2.SSOProfileHandler:373]
- Error decoding authentication request message
org.opensaml.ws.message.decoder.MessageDecodingException: No SAMLRequest or
SAMLResponse query path parameter, invalid SAML 2 HTTP Redirect message
 ---------------------
 Can anyone please help us on it.

 Thanks

Geo
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