I am using Keycloak Beta 1 Snapshot as my SSO but when any user logs in it gives a 403 forbidden and the error shown below. Any idea what went wrong?

ERROR [org.keycloak.adapters.OAuthRequestAuthenticator] (default task-7) failed to turn code into token: javax.net.ssl.SSLPeerUnverifiedException: peer not authenticated

at sun.security.ssl.SSLSessionImpl.getPeerCertificates(SSLSessionImpl.java:397) [jsse.jar:1.7.0_45]

at org.apache.http.conn.ssl.AbstractVerifier.verify(AbstractVerifier.java:128)

at org.apache.http.conn.ssl.SSLSocketFactory.connectSocket(SSLSocketFactory.java:572)

at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180)

at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:151)

at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:125)

at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:640)

at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:479)

at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)

at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805)

at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:784)

at org.keycloak.adapters.ServerRequest.invokeAccessCodeToToken(ServerRequest.java:78) [keycloak-adapter-core-1.0-beta-1-SNAPSHOT.jar:]

at org.keycloak.adapters.ServerRequest.invokeAccessCodeToToken(ServerRequest.java:55) [keycloak-adapter-core-1.0-beta-1-SNAPSHOT.jar:]

at org.keycloak.adapters.OAuthRequestAuthenticator.resolveCode(OAuthRequestAuthenticator.java:256) [keycloak-adapter-core-1.0-beta-1-SNAPSHOT.jar:]

at org.keycloak.adapters.OAuthRequestAuthenticator.authenticate(OAuthRequestAuthenticator.java:205) [keycloak-adapter-core-1.0-beta-1-SNAPSHOT.jar:]

at org.keycloak.adapters.RequestAuthenticator.authenticate(RequestAuthenticator.java:59) [keycloak-adapter-core-1.0-beta-1-SNAPSHOT.jar:]

at org.keycloak.adapters.undertow.ServletKeycloakAuthMech.authenticate(ServletKeycloakAuthMech.java:38) [keycloak-undertow-adapter-1.0-beta-1-SNAPSHOT.jar:]

at io.undertow.security.impl.SecurityContextImpl$AuthAttempter.transition(SecurityContextImpl.java:281) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.security.impl.SecurityContextImpl$AuthAttempter.transition(SecurityContextImpl.java:298) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.security.impl.SecurityContextImpl$AuthAttempter.access$100(SecurityContextImpl.java:268) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.security.impl.SecurityContextImpl.attemptAuthentication(SecurityContextImpl.java:131) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.security.impl.SecurityContextImpl.authTransition(SecurityContextImpl.java:106) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.security.impl.SecurityContextImpl.authenticate(SecurityContextImpl.java:99) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.security.handlers.AuthenticationCallHandler.handleRequest(AuthenticationCallHandler.java:50) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:51) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:45) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:61) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:56) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:70) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)

at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at org.keycloak.adapters.undertow.ServletPreAuthActionsHandler.handleRequest(ServletPreAuthActionsHandler.java:54) [keycloak-undertow-adapter-1.0-beta-1-SNAPSHOT.jar:]

at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:240) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:227) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:73) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:146) [undertow-servlet-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.server.Connectors.executeRootHandler(Connectors.java:168) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:687) [undertow-core-1.0.0.Final.jar:1.0.0.Final]

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_45]

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_45]

at java.lang.Thread.run(Thread.java:744) [rt.jar:1.7.0_45]