title: What is the reason for below error while implementing SAML SSO
body: <p>Can you just point me in the right direction as to what could be wrong:</p>
  
  <p>Sample Message:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
   &lt;saml2p:AuthnRequest xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" AssertionConsumerServiceURL="https://source.com/saml/SSO/alias/umhbdev.fideliseducation.com"
      Destination="https://destination.com/trust/saml2/http-post/sso/519153" ForceAuthn="false" 
      ID="a2cg4958cgi94aji2iac7h1j6a3j0jj" 
      IsPassive="false" 
      IssueInstant="2016-04-11T15:42:47.681Z" ProtocolBinding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" 
  Version="2.0"&gt;
  &lt;saml2:Issuer xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"&gt;source.com
  &lt;/saml2:Issuer&gt;
  &lt;/saml2p:AuthnRequest&gt;;
  </code></pre>
  
  <p>Error</p>
  
  <pre><code>   INFO [11 Apr 2016 15:42:50,495] [http-nio-80-exec-1](SAMLProtocolMessageXMLSignatureSecurityPolicyRule.java:100)
      - SAML protocol message was not signed, skipping XML signature processing
  
      ERROR [11 Apr 2016 15:42:50,495] [http-nio-80-exec-1](ExceptionFilter.java:58) - Error occurred
  
      java.lang.IllegalArgumentException: Given URL is not well formed
  
      at org.opensaml.util.URLBuilder.&lt;init&gt;(URLBuilder.java:120)
  
      at org.opensaml.util.SimpleURLCanonicalizer.canonicalize(SimpleURLCanonicalizer.java:87)
  
      at org.opensaml.common.binding.decoding.BasicURLComparator.compare(BasicURLComparator.java:57)
  
      at org.opensaml.common.binding.decoding.BaseSAMLMessageDecoder.compareEndpointURIs(BaseSAMLMessageDecoder.java:173)
  
      at org.opensaml.common.binding.decoding.BaseSAMLMessageDecoder.checkEndpointURI(BaseSAMLMessageDecoder.java:213)
  
      at org.opensaml.saml2.binding.decoding.BaseSAML2MessageDecoder.decode(BaseSAML2MessageDecoder.java:72)
  
      at org.springframework.security.saml.processor.SAMLProcessorImpl.retrieveMessage(SAMLProcessorImpl.java:105)
  
      at org.springframework.security.saml.processor.SAMLProcessorImpl.retrieveMessage(SAMLProcessorImpl.java:172)
  
      at org.springframework.security.saml.SAMLProcessingFilter.attemptAuthentication(SAMLProcessingFilter.java:77)
  
      at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:211)
  
      at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
  
      at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
  
      at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:166)
  
      Caused by: java.net.MalformedURLException: no protocol: {recipient}
  
      at java.net.URL.&lt;init&gt;(URL.java:593)
  
      at java.net.URL.&lt;init&gt;(URL.java:490)
  
      at java.net.URL.&lt;init&gt;(URL.java:439)
  
      at org.opensaml.util.URLBuilder.&lt;init&gt;(URLBuilder.java:77)
  
      ... 61 more
  </code></pre>