Maven 無法從中央下載 mysql 連接器 8.0.12，顯示以下錯誤：Downloading: https://repo.maven.apache.org/maven2/mysql/mysql-connector- java/8.0.12/mysql-connector-java-8.0.12.pom[INFO] ---------------------------------------------------------------------[INFO] BUILD FAILURE[INFO] ---------------------------------------------------------------------[INFO] Total time: 3.642 s[INFO] Finished at: 2018-08-21T00:22:03+05:30[INFO] Final Memory: 10M/113M[INFO] ---------------------------------------------------------------------[ERROR] Failed to execute goal on project OneSolution: Could not resolve dependencies for project OneSolution:OneSolution:jar:1.1.1: Failed to collect dependencies at mysql:mysql-connector-java:jar:8.0.12: Failed to read artifact descriptor for mysql:mysql-connector-java:jar:8.0.12: Could not transfer artifact mysql:mysql-connector-java:pom:8.0.12 from/to central (https://repo.maven.apache.org/maven2): Received fatal alert: protocol_version -> [Help 1][ERROR][ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.[ERROR] Re-run Maven using the -X switch to enable full debug logging.任何幫助表示贊賞，沒有得到足夠的在線建議，在這里嘗試。