I can connect and login to Lenses, but I cannot see any data.
There are a few potential reasons why this happens.
Lenses uses WebSocket connections to bring data into your browser.
You might be running behind a proxy server, load balancer,
ingress or another type of middleware.
To be sure that a WebSocket error causes your issue while in the
Explore Screen, open your Developer console ( Ctrl + Shift + F12 in
Chrome). Then switch to the console tab and see if there are any errors
reported mentioning WebSockets.
Make sure you check the documentation on
proxies to set up for Lenses.
There is data on the topic, Lenses displays the count, yet the topic data screen does not load.
If I query the topic via SQL studio, I get the same behavior.
In this case, it can be that:
If AVRO is involved, check Schema Registry status in Lenses dashboard screen.
To validate the other possible scenario, navigate to the SQL studio and run this query:
SELECT * FROM YOUR_TOPIC LIMIT 10
When Lenses cannot read the records these type of error will be presented:
By default skip.bad.records is set to true. This can be changed with a setting in Lenses config:
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