如果上述步骤都无法解决问题,你可以在Maven中央仓库中搜索com.mysql:mysql-connector-java或mysql:mysql-connector-java来确认确切的版本号。 在pom.xml中明确指定该版本号,然后再次尝试构建项目。 按照这些步骤操作后,通常可以解决“cannot resolve com.mysql:mysql-connector-java”的问题。如果问题仍然存在,请检查是否有...
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failureThe last packet sent successfully to the server was0milliseconds ago. The driver has not received any packets from the server.at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql...
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at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:835) ~[mysql-connector-java-8.0.15.jar:8.0.15] at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:455) ~[mysql-connector-java-8.0.15.jar:8.0.15] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.j...
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综上所述,com.mysql:mysql-connector-j是一个优秀的组件,从多个方面来看都具有很高的健康度。 参考链接: https://style.potepan.com/articles/26613.html https://www.baeldung.com/java-connect-mysql https://dev.mysql.com/downloads/connector/j/ ...
使用 Maven 或 Gradle：如果你使用 Maven 或 Gradle 这样的依赖管理工具，可以通过在 pom.xml 或 build.gradle 文件中添加相应的依赖来自动管理 MySQL JDBC 驱动。示例：Maven：<dependency><groupId>mysql</groupId><artifactId>mysqlconnectorjava</artifactId><version>x.x.xx</version></dependency>...
这个Maven坐标的jar包已经被重新定位到了新的坐标com.mysql:mysql-connector-j:jar:8.0.33。这是由于MySQL Connector/J的Maven坐标从原来的mysql:前缀变为了com.mysql:前缀,以符合Maven 2+的命名规范,即使用反向DNS(reverse-DNS)命名空间。 由原有的maven依赖: ...
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:942) ~[mysql-connector-java-5.1.39.jar:5.1.39] at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3966) ~[mysql-connector-java-5.1.39.jar:5.1.39] at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3902) ~[mysql-conn...
mysql-connector-java.6.0.6出现的问题 Cannot resolve com.mysq.jdbc.Connection.ping method 解决方法: 一、驱动 从“com.mysql.jdbc.Driver” 改成“com.mysql.cj.jdbc.Driver” 原文如下: 二、jdbc链接后面追加时区,否则插入数据库的时间会不正确,我的是少了13个小时 serverTimezone=Asia/Shanghai...