I got this to work couple days back, ran into issues this week. Tried reverting but it doesn't seem to work
affwebservices.log
[17881/3022141184][Thu Sep 03 2015 16:43:24][SSO.java][ERROR][sm-FedClient-02890] Transaction with ID: 7c4774f9-a89a794d-fbe54f3e-1577b68c-1addb2d9-2 failed. Reason: FAILED_INVALID_RESPONSE_RETURNED (, , )
I see this error in smps.log
[3224/3596][Thu Sep 03 2015 16:47:50][AssertionGenerator.java][ERROR][sm-FedServer-00090] AssertionHandler process() throws exception: njava.lang.SecurityException: class "com.netegrity.util.Utils"'s signer information does not match signer information of other classes in the same package
at java.lang.ClassLoader.checkCerts(ClassLoader.java:806)
at java.lang.ClassLoader.preDefineClass(ClassLoader.java:487)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:625)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at com.netegrity.assertiongenerator.saml2.ProtocolBase.marshal(ProtocolBase.java:180)
at com.netegrity.assertiongenerator.saml2.AuthnRequestProtocol.processRequest(AuthnRequestProtocol.java:1330)
at com.netegrity.assertiongenerator.saml2.AssertionHandlerSAML20.process(AssertionHandlerSAML20.java:211)
at com.netegrity.assertiongenerator.AssertionGenerator.invoke(AssertionGenerator.java:259)
at com.netegrity.policyserver.smapi.ActiveExpressionContext.invoke(ActiveExpressionContext.java:286)