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https://issues.apache.org/jira/browse/NIFI-6095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jens M Kofoed resolved NIFI-6095.
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Resolution: Resolved
Fix Version/s: 1.9.0
Has been fixed
> LDAP background sync thread dies
> --------------------------------
>
> Key: NIFI-6095
> URL: https://issues.apache.org/jira/browse/NIFI-6095
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.8.0
> Environment: 3 nodes in a secure cluster on CentOS 7 connecting to a
> MS AD via ldap configuration
> Reporter: Jens M Kofoed
> Priority: Major
> Fix For: 1.9.0
>
>
> If connection to the ldap is lost the ldap-user-group-provider - background
> sync thread dies. And NIFI stops syncing and gets update from ldap.
> The nodes are configured for ldap and import all users and groups based on
> filter and base search. Users and groups are joined according to
> configuration. If users are added/removed from groups, the sync process
> updates NIFI until the sync process dies because of network timeout.
> Debugging: adding the "org.apache.nifi.ldap" to the logback.xml does not help
> much. The only information's is warnings if a group has a member and the
> users is not imported.
> WARN [ (ldap-user-group-provider) - background sync thread]
> org.apache.nifi.ldap.tenants.LdapUserGroupProvider
> cn=superusers,ou=nifi01,ou=NiFiClusters,dc=example,dc=net contains member
> uid=user01,ou=people,dc=example,dc=net but that user was not found while
> searching users. Ignoring group membership.
> Adding "org.springframework.ldap" to the logback.xml file gives some
> information every time there is a background sync.
> In my configuration I set the Sync Interval to 1 mins (authorizers.xml).
> Verifying the debug logs for background sync and after some times I removed
> the connection to the ldap. From now on I can't find any debug information
> about the ldap sync. Even if I reestablish the connection there will be no
> more debug information and no ldap sync.
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