Subject: [InfluxData Community] [Collect] Unexpected data in telegraf agent with Jolokia2_agent plugin

That's weird, if this is happening frequently you could try looking at the response data from Jolokia, the query should look something like this:
curl -X POST 'http://jolokia:jolokia1!@localhost:8080/jolokia-my-sos/read' -H 'Content-Type:application/json' -d '[{"type":"read","mbean":"java.lang:type=OperatingSystem","attribute":["ProcessCpuLoad"]}]'

The lack of escaping of the password above might be a problem, it might be possible to send the user/pass as basic auth to curl: `-u jolokia:jolokia1!`, but I'm not sure.  I can say that the plugin uses the URL.