For sure! Here is the kibana client side error from the ajax request followed by the json console output.
TypeError: Cannot read property 'message' of null
at https://<hostname>/kibana/bundles/kibana.bundle.js?v=16070:231:27746
at processQueue (https://<hostname>/kibana/bundles/commons.bundle.js?v=16070:39:9912)
at https://<hostname>/kibana/bundles/commons.bundle.js?v=16070:39:10805
at Scope.$digest (https://<hostname>/kibana/bundles/commons.bundle.js?v=16070:39:21741)
at Scope.$apply (https://<hostname>/kibana/bundles/commons.bundle.js?v=16070:39:24520)
at done (https://<hostname>/kibana/bundles/commons.bundle.js?v=16070:38:9495)
at completeRequest (https://<hostname>/kibana/bundles/commons.bundle.js?v=16070:38:13952)
at XMLHttpRequest.requestError (https://<hostname>/kibana/bundles/commons.bundle.js?v=16070:38:14800)
{
"type":"response",
"@timestamp":"2017-12-04T14:17:55Z",
"tags":[
],
"pid":1733,
"method":"get",
"statusCode":400,
"req":{
"url":"/api/index_patterns/_fields_for_wildcard?pattern=logstash-*&meta_fields=%5B%22_source%22",
"method":"get",
"headers":{
"accept":"application/json, text/plain, */*",
"accept-encoding":"gzip, deflate, br",
"accept-language":"en-GB;q=1,en-US;q=0.9,en;q=0.8,fr;q=0.7",
"host":"<hostname>",
"kbn-version":"6.0.0",
"referer":"https://<hostname>/kibana/app/kibana",
... stripped some custom headers from our proxy ...
"connection":"Keep-Alive"
},
"remoteAddress":"10.3.0.67",
"userAgent":"10.3.0.67",
"referer":"https://<hostname>/kibana/app/kibana"
},
"res":{
"statusCode":400,
"responseTime":30,
"contentLength":9
},
"message":"GET /api/index_patterns/_fields_for_wildcard?pattern=logstash-*&meta_fields=%5B%22_source%22 400 30ms - 9.0B"
}