Hi,
After upgrading Kibana from 6.5.4 to 6.6.0, Elastalert plugin stopped working. Here is the message we get in the logs:
Debug: internal, implementation, error
TypeError: callback is not a function
at Object.mapUri (/usr/share/kibana/plugins/elastalert-kibana-plugin/server/routes/elastalert.js:11:11)
at /usr/share/kibana/node_modules/h2o2/lib/index.js:87:49
at module.exports.internals.Manager.execute (/usr/share/kibana/node_modules/hapi/lib/toolkit.js:35:106)
at Object.internals.handler (/usr/share/kibana/node_modules/hapi/lib/handler.js:50:48)
at exports.execute (/usr/share/kibana/node_modules/hapi/lib/handler.js:35:36)
at Request._lifecycle (/usr/share/kibana/node_modules/hapi/lib/request.js:263:62)
at process._tickCallback (internal/process/next_tick.js:68:7)