maven无法从中央下载mysql连接器8.0.12

Question

Maven 无法从 Central 下载 mysql 连接器 8.0.12，显示以下错误：

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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.

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感谢任何帮助，在网上没有得到足够的建议，在这里尝试。

Answer 1

Solution 1:在控制台中尝试mvn clean install。

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Solution 2:发生这种情况可能是由于您计算机上的防火墙所致。关闭防火墙并重试。\xc2\xa0

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Solution 3:检查您是否pom.xml有类似的依赖性。

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<dependency>\n    <groupId>mysql</groupId>\n    <artifactId>mysql-connector-java</artifactId>\n    <version>8.0.12</version>\n</dependency>\n

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