Jongyeol Choi 9589e0baca Change client id validation range in codec-mqtt ... Motivation: In MQTT 3.1 specification, "The Client Identifier (Client ID) is between 1 and 23 characters long, and uniquely identifies the client to the server". But, current client id validation length is 0~23. It must be 1~23. The empty string is invalid client id in MQTT 3.1 Modifications: Change isValidClientId method. Add MIN_CLIENT_ID_LENGTH. Result: The validation check for client id length is between 1 and 23.		2014-10-13 07:17:19 +02:00
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io/netty/handler/codec/mqtt	Change client id validation range in codec-mqtt	2014-10-13 07:17:19 +02:00