Spring Cloud啟動jdbc報錯

1、Caused by: com.mysql.cj.exceptions.InvalidConnectionAttributeException: The server time zone value ‘?D1ú±ê×?ê±??’ is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time zone value if you want to utilize time zone support.
2、org.springframework.orm.jpa.JpaSystemException: Unable to acquire JDBC Connection; nested exception is org.hibernate.exception.GenericJDBCException: Unable to acquire JDBC Connection
3、com.sun.jersey.api.client.ClientHandlerException: java.net.ConnectException: Connection refused: connect
4、com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server

解決方案：

將mysql maven依賴在pom文件中替換為一下版本，即可解決。

<dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.42</version></dependency>

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