Hello,
After upgrading a few of my client computer images with the latest Spark version Kerberos SSO ceased to work with some obscure Java kerberos failure. I have feeling something was changed between Java 7 and 8, breaking things. I’ve double checked the service principal name for openfire and it all seem correct. I’ve tried almost everything I can think of without much success.
Spark 2.8.1
openfire 4.0.2
nov 25, 2016 3:49:15 EM org.jivesoftware.spark.util.log.Log warning
WARNING: Exception in Login:
java.lang.IllegalArgumentException: Empty nameStrings not allowed
at sun.security.krb5.PrincipalName.validateNameStrings(Unknown Source)
at sun.security.krb5.PrincipalName.(Unknown Source)
at sun.security.krb5.PrincipalName.parse(Unknown Source)
at sun.security.krb5.internal.KRBError.init(Unknown Source)
at sun.security.krb5.internal.KRBError.(Unknown Source)
at sun.security.krb5.KrbTgsRep.(Unknown Source)
at sun.security.krb5.KrbTgsReq.getReply(Unknown Source)
at sun.security.krb5.KrbTgsReq.sendAndGetCreds(Unknown Source)
at sun.security.krb5.internal.CredentialsUtil.serviceCreds(Unknown Source)
at sun.security.krb5.internal.CredentialsUtil.acquireServiceCreds(Unknown Source)
at sun.security.krb5.Credentials.acquireServiceCreds(Unknown Source)
at sun.security.jgss.krb5.Krb5Context.initSecContext(Unknown Source)
at sun.security.jgss.GSSContextImpl.initSecContext(Unknown Source)
at sun.security.jgss.GSSContextImpl.initSecContext(Unknown Source)
at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(Unknown Source)
at org.jivesoftware.smack.sasl.javax.SASLJavaXMechanism.getAuthenticationText(SASL JavaXMechanism.java:120)
at org.jivesoftware.smack.sasl.SASLMechanism.authenticate(SASLMechanism.java:196)
at org.jivesoftware.smack.sasl.SASLMechanism.authenticate(SASLMechanism.java:169)
at org.jivesoftware.smack.SASLAuthentication.authenticate(SASLAuthentication.java: 236)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.loginNonAnonymously(XMPPTCPConnect ion.java:374)
at org.jivesoftware.smack.AbstractXMPPConnection.login(AbstractXMPPConnection.java :456)
at org.jivesoftware.LoginDialog$LoginPanel.login(LoginDialog.java:1099)
at org.jivesoftware.LoginDialog$LoginPanel.access$900(LoginDialog.java:335)
at org.jivesoftware.LoginDialog$LoginPanel$3.construct(LoginDialog.java:869)
at org.jivesoftware.spark.util.SwingWorker.lambda$new$1(SwingWorker.java:142)
at java.lang.Thread.run(Unknown Source)