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Issues with SSO on Spark

Hello everyone. For a long time we have been using spark just fine and now suddenly no one can log in using SSO.

I have red several of the forum posts and done several walkthrough’s with no success.

The client side details show this
org.jivesoftware.smack.sasl.SASLErrorException: SASLError using GSSAPI: not-authorized
at org.jivesoftware.smack.SASLAuthentication.authenticationFailed(SASLAuthentication.java:292)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.parsePackets(XMPPTCPConnection.java:1200)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.access$1000(XMPPTCPConnection.java:1092)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader$1.run(XMPPTCPConnection.java:1112)
at java.lang.Thread.run(Unknown Source)

I am stuck and don’t know where to go from here.

hmm, the first thing I would do is to check the keytab authorization.

Sorry. I forgot to mention that The server is running on Windows Server 2012 R2. But Ill try that.

It doesn’t matter, you can check the keytab on your Windows

Hi,

I have the same trouble from today, with no changes on the server side…

What is strange, that if I try to login for multiple times, it will log me in…

Did you find a solution?

Thank you…

If anybody else will facing this problem, it is because Windows Server update.

Delete your November updates (which includes some Kerberos authentication issues) from yours servers and it will sovle this problem.

More:

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thank you for your solution.
worth a look at linux)

Thanks, here’s an excellent blog post from RedHat on this matter.

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