java.lang.RuntimeException: Could not create authentication request.

gistfile1.txt

2017-10-13 04:27:41,252 [wappsexecutor-threads - 43] ERROR [org.apache.catalina.connector] JBWEB001018: An exception or error occurred in the container during the request processing: java.lang.RuntimeException: Could not create authentication request.
	at org.keycloak.adapters.saml.AbstractInitiateLogin.challenge(AbstractInitiateLogin.java:63)
	at org.keycloak.adapters.saml.AbstractSamlAuthenticatorValve.executeAuthenticator(AbstractSamlAuthenticatorValve.java:245)
	at org.keycloak.adapters.saml.AbstractSamlAuthenticatorValve.authenticateInternal(AbstractSamlAuthenticatorValve.java:220)
	at org.keycloak.adapters.saml.jbossweb.SamlAuthenticatorValve.authenticate(SamlAuthenticatorValve.java:41)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:465)
	at org.keycloak.adapters.saml.AbstractSamlAuthenticatorValve.invoke(AbstractSamlAuthenticatorValve.java:182)
	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97)
	at org.jboss.as.web.sso.ClusteredSingleSignOn.invoke(ClusteredSingleSignOn.java:356)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:559)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102)
	at com.redhat.container.redirect.LoginRedirectValve.invoke(LoginRedirectValve.java:47)
	at com.redhat.container.UTF8Valve.invoke(UTF8Valve.java:26)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:336)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:511)
	at org.jboss.threads.SimpleDirectExecutor.execute(SimpleDirectExecutor.java:33)
	at org.jboss.threads.QueueExecutor.runTask(QueueExecutor.java:808)
	at org.jboss.threads.QueueExecutor.access$100(QueueExecutor.java:45)
	at org.jboss.threads.QueueExecutor$Worker.run(QueueExecutor.java:849)
	at java.lang.Thread.run(Thread.java:748)
	at org.jboss.threads.JBossThread.run(JBossThread.java:122)
Caused by: java.lang.RuntimeException: java.io.IOException: JBWEB002035: Buffer length 4096 overflow with limit 4096 and no sink
	at org.keycloak.adapters.saml.CatalinaSamlSessionStore.saveRequest(CatalinaSamlSessionStore.java:226)
	at org.keycloak.adapters.saml.AbstractInitiateLogin.challenge(AbstractInitiateLogin.java:58)
	... 23 more
Caused by: java.io.IOException: JBWEB002035: Buffer length 4096 overflow with limit 4096 and no sink
	at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:448)
	at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:351)
	at org.apache.catalina.authenticator.FormAuthenticator.saveRequest(FormAuthenticator.java:596)
	at org.keycloak.adapters.saml.AbstractSamlAuthenticatorValve.keycloakSaveRequest(AbstractSamlAuthenticatorValve.java:251)
	at org.keycloak.adapters.saml.CatalinaSamlSessionStore.saveRequest(CatalinaSamlSessionStore.java:224)
	... 24 more