将pom.xml或build.gradle文件中的版本号从unknown替换为正确的版本号。 xml <!-- Maven --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.31</version> </dependency> groovy /...
一、Cannot resolve mysql:mysql-connector-java:unknown <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.41</version> </dependency> 添加个版本就好了,<version></version>,版本自己选。 二、ava.nio.charset.MalformedInputException: Input length = 1 1....
at sun.reflect.GeneratedConstructorAccessor29.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_131] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_131] 解决方法②: 更...
Bug #99708 mysql-connector-java 8.0.20 ASSERTION FAILED: Unknown message type: 57 s.close Submitted: 27 May 2020 14:07Modified: 5 Mar 2021 22:35 Reporter: Bernd Wahlen Email Updates: Status: Closed Impact on me: None Category: Connector / JSeverity: S1 (Critical)...
java.sql.SQLException: Unknown system variable 'tx_isolation' at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1055) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3515) ...
然后就出现了一系列的异常 java.math.BigInteger cannot be cast to java.lang.Long 启动直接异常 代码语言:javascript 代码运行次数:0 运行 AI代码解释 java.sql.SQLException:java.lang.ClassCastException:java.math.BigInteger cannot be cast to java.lang.Long ...
mysql-connector-java 升级到 5.1.42 ,启动还是异常: Unknown system variable 'query_cache_size' Could not create connection to database server MySQL 5.7.36 做对比,所以还是 Docker 快速安装了一个 MySQL 5.7.36 MySQL 8.0.26 (前面用的是 Win10 版,这个相当于是 Linux Linux 版的 MySQL 8.0.26 mysql...
at jdk.proxy2/jdk.proxy2.$Proxy204.persist(Unknown Source) at jdk.internal.reflect.GeneratedMethodAccessor136.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:568...
mysql-connector-java 升级到 5.1.42 ,启动还是异常: Unknown system variable 'query_cache_size' Could not create connection to database server MySQL 5.7.36 做对比,所以还是 Docker 快速安装了一个 MySQL 5.7.36 MySQL 8.0.26 (前面用的是 Win10 版,这个相当于是 Linux Linux 版的 MySQL 8.0.26 mysql...
Unknown system variable 'query_cache_size' 因为用的是都说了能不动就别动,非要去调整,出生产事故了吧中的demo:play_it_safe 所以我顺手将mysql-connector-java调整到了5.1.37,MySQL还是8.0.26,结果启动出现了另一个异常 View Code 看到这个异常,不知道你们第一反应想到的是什么?