java.sql.SQLException: Access denied for user ‘root‘@‘localhost‘ (using password: YES)
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数据库连接密码错误
问题描述:
提示:这里描述项目中遇到的问题:
例如:数据传输过程中数据不时出现丢失的情况,偶尔会丢失一部分数据
APP 中接收数据代码:
"C:\Program Files\Java\jdk-11.0.4\bin\java.exe" -ea -Didea.test.cyclic.buffer.size=1048576 "-javaagent:D:\download\IDEA\IntelliJ IDEA 2018.3.1\lib\idea_rt.jar=55292:D:\download\IDEA\IntelliJ IDEA 2018.3.1\bin" -Dfile.encoding=UTF-8 -classpath "D:\download\IDEA\IntelliJ IDEA 2018.3.1\lib\idea_rt.jar;D:\download\IDEA\IntelliJ IDEA 2018.3.1\plugins\junit\lib\junit-rt.jar;D:\download\IDEA\IntelliJ IDEA 2018.3.1\plugins\junit\lib\junit5-rt.jar;D:\keep\IDEA\program\01_spring\out\production\01_spring;D:\keep\IDEA\program\01_spring\lib\commons-logging-1.1.1.jar;D:\keep\IDEA\program\01_spring\lib\spring-beans-5.2.6.RELEASE.jar;D:\keep\IDEA\program\01_spring\lib\spring-context-5.2.6.RELEASE.jar;D:\keep\IDEA\program\01_spring\lib\spring-core-5.2.6.RELEASE.jar;D:\keep\IDEA\program\01_spring\lib\spring-expression-5.2.6.RELEASE.jar;D:\download\apache_maven\repository\junit\junit\4.12\junit-4.12.jar;D:\download\apache_maven\repository\org\hamcrest\hamcrest-core\1.3\hamcrest-core-1.3.jar;D:\keep\IDEA\program\01_spring\lib\spring-aop-5.2.6.RELEASE.jar;D:\keep\IDEA\program\01_spring\lib\com.springsource.net.sf.cglib-2.2.0.jar;D:\keep\IDEA\program\01_spring\lib\com.springsource.org.aopalliance-1.0.0.jar;D:\keep\IDEA\program\01_spring\lib\com.springsource.org.aspectj.weaver-1.6.8.RELEASE.jar;D:\keep\IDEA\program\01_spring\lib\spring-aspects-5.2.6.RELEASE.jar;D:\keep\IDEA\program\01_spring\lib\spring-jdbc-5.2.6.RELEASE.jar;D:\keep\IDEA\program\01_spring\lib\spring-orm-5.2.6.RELEASE.jar;D:\keep\IDEA\program\01_spring\lib\spring-tx-5.2.6.RELEASE.jar;D:\keep\IDEA\program\01_spring\lib\druid-1.0.9.jar;D:\keep\IDEA\program\01_spring\lib\mysql-connector-java-8.0.15.jar" com.intellij.rt.execution.junit.JUnitStarter -ideVersion5 -junit4 com.itheima.test.TestAdd,updatebook
3月 20, 2021 6:20:08 下午 com.alibaba.druid.support.logging.JakartaCommonsLoggingImpl error
严重: testWhileIdle is true, validationQuery not set
3月 20, 2021 6:20:08 下午 com.alibaba.druid.support.logging.JakartaCommonsLoggingImpl info
信息: {dataSource-1} inited
3月 20, 2021 6:20:10 下午 com.alibaba.druid.support.logging.JakartaCommonsLoggingImpl error
严重: create connection error
java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:835)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:455)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:240)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:199)
at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375)
at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431)
at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844)
解决方案:
检查数据库密码是否正确,修改正确即可
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