Druid连接池链接mysql错误提示:create connection SQLException, url: jdbc:mysql://127.0.0.1:3306/bank, errorCode

  • 错误提示:create connection SQLException, url: jdbc:mysql://127.0.0.1:3306/bank, errorCode 0, state 01S00
  • 这是连接数据库错误
  • 解决办法:
    • 1、若为5.x版本的mysql,则连接链接改为:
      jdbc:mysql://127.0.0.1:3306/bank?characterEncoding=UTF-8&useUnicode=true&useSSL=true&serverTimezone=UTC

      jdbc:mysql://127.0.0.1:3306/test?characterEncoding=UTF-8&useUnicode=true&useSSL=true&serverTimezone=UTC
      二者区别就是&的转义符为&
    • java的spring配置如下(Durid
    <!--druid数据库连接池链接-->
        <!-- 数据库连接池 -->
        <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
              destroy-method="close">
            <property name="url" value="jdbc:mysql://127.0.0.1:3306/bank?characterEncoding=UTF-8&amp;useUnicode=true&amp;useSSL=true&amp;serverTimezone=UTC" />
    	        <property name="username" value="root" />
            <property name="password" value="123456" />
            <property name="driverClassName" value="com.mysql.cj.jdbc.Driver" />
        </bean>
    
    • 2、检查账号密码、url(本地一般为127.0.0.1)、端口号(本地一般为3306
2025-04-02 17:34:58.687 ERROR 17912 --- [eate-1833567735] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://localhost:3306/sky_db?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&useSSL=false&allowPublicKeyRetrieval=true, errorCode 1049, state 42000 java.sql.SQLSyntaxErrorException: Unknown database 'sky_db' at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:120) ~[mysql-connector-java-8.0.30.jar:8.0.30] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) ~[mysql-connector-java-8.0.30.jar:8.0.30] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.30.jar:8.0.30] at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.30.jar:8.0.30] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.30.jar:8.0.30] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.30.jar:8.0.30] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1651) ~[druid-1.2.1.jar:1.2.1] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1717) ~[druid-1.2.1.jar:1.2.1] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2785) ~[druid-1.2.1.jar:1.2.1]
最新发布
04-03
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