Here is the English translation:   The hue query hive connection number increases, and then the query cannot be submitted   When using hue query, the concurrency is not high, there are only a few people, but the number of connections of the hue is very high, and the connection is not released, then the task cannot be submitted, and the hive cannot be connected through beeline. Check that the number of mysql connections has not been replaced, use Non-hue connected hiveserver2 can connect normally     ... View more