报错了应该是在StudentMapper.xml里面的错误

"C:\Program Files\Java\jdk-21\bin\java.exe" -ea -Didea.test.cyclic.buffer.size=1048576 "-javaagent:D:\IDEA 2023.3.4\lib\idea_rt.jar=53785:D:\IDEA 2023.3.4\bin" -Dfile.encoding=GBK -Dsun.stdout.encoding=GBK -Dsun.stderr.encoding=GBK -classpath "D:\IDEA 2023.3.4\lib\idea_rt.jar;D:\IDEA 2023.3.4\plugins\junit\lib\junit5-rt.jar;D:\IDEA 2023.3.4\plugins\junit\lib\junit-rt.jar;C:\Users\ALIENWARE\Desktop\shixun\mybatisDemo2\target\test-classes;C:\Users\ALIENWARE\Desktop\shixun\mybatisDemo2\target\classes;D:\a\maven\apache-maven-3.8.6\mvn_res\org\mybatis\mybatis\3.5.9\mybatis-3.5.9.jar;D:\a\maven\apache-maven-3.8.6\mvn_res\com\mysql\mysql-connector-j\8.0.32\mysql-connector-j-8.0.32.jar;D:\a\maven\apache-maven-3.8.6\mvn_res\com\google\protobuf\protobuf-java\3.21.9\protobuf-java-3.21.9.jar;D:\a\maven\apache-maven-3.8.6\mvn_res\junit\junit\4.13.2\junit-4.13.2.jar;D:\a\maven\apache-maven-3.8.6\mvn_res\org\hamcrest\hamcrest-core\1.3\hamcrest-core-1.3.jar;D:\a\maven\apache-maven-3.8.6\mvn_res\log4j\log4j\1.2.12\log4j-1.2.12.jar" com.intellij.rt.junit.JUnitStarter -ideVersion5 -junit4 TestManyTableQuery,testFindAllStudent

[03/21 17:37:36] 0      [           main] DEBUG ache.ibatis.logging.LogFactory  - Logging initialized using 'class org.apache.ibatis.logging.log4j.Log4jImpl' adapter.[03/21 17:37:36] 11     [           main] DEBUG source.pooled.PooledDataSource  - PooledDataSource forcefully closed/removed all connections.[03/21 17:37:36] 12     [           main] DEBUG source.pooled.PooledDataSource  - PooledDataSource forcefully closed/removed all connections.[03/21 17:37:36] 12     [           main] DEBUG source.pooled.PooledDataSource  - PooledDataSource forcefully closed/removed all connections.[03/21 17:37:36] 12     [           main] DEBUG source.pooled.PooledDataSource  - PooledDataSource forcefully closed/removed all connections.[03/21 17:37:36] 65     [           main] DEBUG ansaction.jdbc.JdbcTransaction  - Opening JDBC Connection[03/21 17:37:37] 381    [           main] DEBUG source.pooled.PooledDataSource  - Created connection 1524305331.[03/21 17:37:37] 382    [           main] DEBUG ansaction.jdbc.JdbcTransaction  - Setting autocommit to false on JDBC Connection [com.mysql.cj.jdbc.ConnectionImpl@5adb0db3][03/21 17:37:37] 388    [           main] DEBUG g.mapper.StudentMapper.findAll  - ==>  Preparing: select * from student;[03/21 17:37:37] 413    [           main] DEBUG g.mapper.StudentMapper.findAll  - ==> Parameters: [03/21 17:37:37] 446    [           main] DEBUG ansaction.jdbc.JdbcTransaction  - Resetting autocommit to true on JDBC Connection [com.mysql.cj.jdbc.ConnectionImpl@5adb0db3][03/21 17:37:37] 447    [           main] DEBUG ansaction.jdbc.JdbcTransaction  - Closing JDBC Connection [com.mysql.cj.jdbc.ConnectionImpl@5adb0db3][03/21 17:37:37] 447    [           main] DEBUG source.pooled.PooledDataSource  - Returned connection 1524305331 to pool.

org.apache.ibatis.exceptions.PersistenceException: 

### Error querying database.  Cause: org.apache.ibatis.reflection.ReflectionException: Error instantiating class org.pojo.Classes with invalid types (int,String,List) or values (1,张三,10). Cause: java.lang.IllegalArgumentException: argument type mismatch

### The error may exist in mapper/StudentMapper.xml

### The error may involve org.mapper.StudentMapper.findAll

### The error occurred while handling results

### SQL: select * from student;

### Cause: org.apache.ibatis.reflection.ReflectionException: Error instantiating class org.pojo.Classes with invalid types (int,String,List) or values (1,张三,10). Cause: java.lang.IllegalArgumentException: argument type mismatch

at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:153)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:145)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)

at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:147)

at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:80)

at org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:145)

at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)

at jdk.proxy2/jdk.proxy2.$Proxy11.findAll(Unknown Source)

at TestManyTableQuery.testFindAllStudent(TestManyTableQuery.java:35)

at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)

at java.base/java.lang.reflect.Method.invoke(Method.java:580)

at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)

at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)

at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)

at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)

at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)

at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)

at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)

at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)

at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)

at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)

at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)

at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)

at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)

at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)

at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)

at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)

at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)

at org.junit.runners.ParentRunner.run(ParentRunner.java:413)

at org.junit.runner.JUnitCore.run(JUnitCore.java:137)

at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69)

at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38)

at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11)

at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35)

at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:232)

at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55)

Caused by: org.apache.ibatis.reflection.ReflectionException: Error instantiating class org.pojo.Classes with invalid types (int,String,List) or values (1,张三,10). Cause: java.lang.IllegalArgumentException: argument type mismatch

at org.apache.ibatis.reflection.factory.DefaultObjectFactory.instantiateClass(DefaultObjectFactory.java:88)

at org.apache.ibatis.reflection.factory.DefaultObjectFactory.create(DefaultObjectFactory.java:53)

at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createUsingConstructor(DefaultResultSetHandler.java:716)

at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createByConstructorSignature(DefaultResultSetHandler.java:694)

at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createResultObject(DefaultResultSetHandler.java:658)

at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createResultObject(DefaultResultSetHandler.java:631)

at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.getRowValue(DefaultResultSetHandler.java:426)

at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.applyNestedResultMappings(DefaultResultSetHandler.java:953)

at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.getRowValue(DefaultResultSetHandler.java:435)

at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleRowValuesForNestedResultMap(DefaultResultSetHandler.java:910)

at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleRowValues(DefaultResultSetHandler.java:327)

at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleResultSet(DefaultResultSetHandler.java:302)

at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleResultSets(DefaultResultSetHandler.java:195)

at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:65)

at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:79)

at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:63)

at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:325)

at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:89)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:151)

... 35 more

Caused by: java.lang.IllegalArgumentException: argument type mismatch

at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:65)

at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)

at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)

at org.apache.ibatis.reflection.factory.DefaultObjectFactory.instantiateClass(DefaultObjectFactory.java:74)

... 55 more

Caused by: java.lang.ClassCastException: Cannot cast java.lang.Integer to java.util.List

at java.base/java.lang.Class.cast(Class.java:4067)

at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)

... 58 more

进程已结束，退出代码为 -1