kafka-ui/faq/common-problems.md

Common problems

Login module control flag not specified in JAAS config

If you are running against confluent cloud and you have specified correctly the jass config and still continue getting these errors look to to see if you are passing confluent.license in the connector, absence of a license returns a number of bogus errors like "Login module control flag not specified in JAAS config".

https://docs.confluent.io/platform/current/connect/license.html

Good resource for what properties are needed here: https://gist.github.com/rmoff/49526672990f1b4f7935b62609f6f567

Cluster authorization failed

Check the required permissions.

Confluent cloud errors

Set this property to true: KAFKA_CLUSTERS_<id>_DISABLELOGDIRSCOLLECTION

AWS MSK w/ IAM: Access denied

https://github.com/provectus/kafka-ui/discussions/1104#discussioncomment-1656843 https://github.com/provectus/kafka-ui/discussions/1104#discussioncomment-2963449 https://github.com/provectus/kafka-ui/issues/2184#issuecomment-1198506124

DataBufferLimitException: Exceeded limit on max bytes to buffer

Increase webclient.max-in-memory-buffer-size property value. Default value is 20MB.