While retrieving data for this widget, the following error(s) occurred:

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I need Help with graylog

2

Hello,
I’ve installed a fresh installation of Graylog to be able to receive alerts from Wazuh Manager, via a raw/plaintext TCP input.

I’ve connected both instances correctly but I’m receiving these errors, when I try to “Show Received Messages”:

2222
22221499×633 5.55 KB

The logs shows:

tail -f /var/log/graylog-server/server.log

2023-11-30T14:01:36.794Z INFO [Periodicals] Starting [org.graylog.plugins.v
2023-11-30T14:57:44.866Z ERROR [Messages] Caught exception during bulk indexing: ElasticsearchException{message=ElasticsearchException[An error occurred: ]; nested: IOException[Unable to par
se response body for Response{requestLine=POST /_bulk?timeout=1m HTTP/1.1, host=https://x.x.x.x:x, response=HTTP/1.1 200 OK}]; nested: NullPointerException;, errorDetails=}, retryi
ng (attempt #126).