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Just upgraded to 8.20.1 and no longer able to access via LDAP

Have just upgraded from 8.2 to 8.20.1 and everything seemed to be ok however we received notification that there was an issue with LDAP and a Font

Under support and troubleshooting

External User Management->LDAP Authentication the following is displayed

The credentials provided were rejected by the LDAP server Active Directory.

When trying to test I receive the following message

Test basic connection : Failed

fqdn:636; nested exception is javax.naming.CommunicationException: fqdn:636 [Root exception is PKIX path building failed: unable to find valid certification path to requested target]
I am also getting the following message in support and troubleshooting
Supported Platform -> Fonts
Exception during health check invocation java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11FontManager

3 answers

Hi @Fiona Newbold 

did you found a solution for that ? as I am having the same issue 

0 votes

Hi Fiona,

For the Active Directory part, are you using a load balancer in front of your Active Directory?
When upgrading past 8.19.0 I get the same error if I try to connect through load balancer, but it works if I go straight to one of our domain controllers.


Upgrading the version of Java seemed to fix all the issues

0 votes
Albert Rising Star Nov 04, 2021

For the fonts - i know that was something changed in  a version from 8 - so check the release notes from 82 to 820 and you will find it.

Thanks will take a look, unfortunately we had none of these issues when we upgraded our test system always the way.

After adding in a cert that we thought might be the issue and rebooting we now had a exception under 

File system -> Lucane index files location

Exception during health check invocation java.lang.NoClassDefFoundError: Could not initialize class sun.nio.fs.LinuxNativeDispatcher

Have just raised a ticket with support 

Did you solve the sun.nio.fs.LinuxNativeDispatcher exception issue with support?

Like Sylvain Leduc likes this

Hi! Any news on that? We face the same issue.

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