I’m experiencing an issue when using Kerberos when connecting to SAP using KNIME Analytics Platform. I hasn’t been an issue with previous versions. Is there any additional settings that need to be configured for it to work in the latest version?
Can you please help?
@NikolineNLHS and welcome to the forum. I moved your post into its own topic so it wouldn’t fall through the cracks.
Can you post the error message you are seeing? What version of AP are you on, and what operating system?
By the way, this recent post looks very similar to yours, so it is worth keeping an eye on:
I’m having trouble getting Kerberos authentication to pass through to the ‘DB Connector’ Node for Hana Connection.
I have already authenticated in preference → Kerberos → using krb5.conf
I’m able to make a connection to the DB using the Username & Password authentication. If I manually input my credentials within the node I’m able to connect, but not with Kerberos
Working scenario without Kerberos :
Not Working scenario when selecting Kerberos :
I’m using the most recent release KNIME 4.6.1. Operating system is Windows 10 Enterprise. As mentioned in the thread, this was not an issue in the previous KNIME AP version.
please see this post for a possible solution:
I was finally able to reproduce your problem. KNIME Analytics Platform comes with Java 17 which has deprecated several weak encryption types. This is the reason why no no service ticket can be acquired resulting in the problem you reported.
To solve the problem you can either change your infrastructure to adopt stronger ciphers or add the following line to libdefaults section of the krb5.conf file that is used by your KNIME Analytics Platform:
allow_weak_crypto = true
which will …