mysql连接报java.math.BigInteger cannot be cast to java.lang.Long异常

时间：2021-08-16 21:44:46

使用hibernate出现以下错误

java.sql.SQLException: java.lang.ClassCastException: java.math.BigInteger cannot be cast to java.lang.Long

    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1078)

    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:989)

    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:975)

    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:920)

    at com.mysql.jdbc.ConnectionImpl.buildCollationMapping(ConnectionImpl.java:1074)

    at com.mysql.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:3590)

    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2531)

    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2301)

    at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834)

    at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)

    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

    at java.lang.reflect.Constructor.newInstance(Constructor.java:526)

    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:416)

    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:317)

    at java.sql.DriverManager.getConnection(DriverManager.java:571)

    at java.sql.DriverManager.getConnection(DriverManager.java:215)

    at zttc.itat.user.util.DbUtil.getConnection(DbUtil.java:12)

    at zttc.itat.user.util.AbstractDbUnitTestCase.init(AbstractDbUnitTestCase.java:28)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

后来将 mysql-connector-java-5.1.24.jar 换成了mysql-connector-java-5.1.46.jar 就解决了。

----- ----- ----- ----- 谢谢大佬打赏----- ----- ----- ----- ----- 

mysql连接报java.math.BigInteger cannot be cast to java.lang.Long异常

（转自：https://bbs.csdn.net/topics/392272603）（@KLOVEYY）

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