Error handling | Elasticsearch Node.js client [6.x]

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Error handlingedit

The client exposes a variety of error objects, that you can use to enhance your error handling.
You can find all the error objects inside the errors key in the client.

const { errors } = require('@elastic/elasticsearch')
console.log(errors)

Following you can find the errors exported by the client.

`ElasticsearchClientError`	Every error inherits from this class, it is the basic error generated by the client.
`TimeoutError`	Generated when a request exceeds the `requestTimeout` option.
`ConnectionError`	Generated when an error occurs during the reequest, it can be a connection error or a malformed stream of data.
`NoLivingConnectionsError`	Given the configuration, the ConnectionPool was not able to find a usable Connection for this request.
`SerializationError`	Generated if the serialization fails.
`DeserializationError`	Generated if the deserialization fails.
`ConfigurationError`	Generated if there is a malformed configuration or parameter.
`ResponseError`	Generated when in case of a `4xx` or `5xx` response.

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