java.lang.AbstractMethodError: Method com/mchange/v2/c3p0/impl/NewProxyPreparedStatement.isClosed()

小鱼儿 2022-05-21 08:43 48阅读 0赞

java.lang.AbstractMethodError: Method com/mchange/v2/c3p0/impl/NewProxyPreparedStatement.isClosed()Z is abstract  
    at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.isClosed(NewProxyPreparedStatement.java)  
    at org.apache.ibatis.executor.BaseExecutor.closeStatement(BaseExecutor.java:285)  
    at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:65)  
    at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:326)  
    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:83)  
    at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148)  
    at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141)  
    at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:77)  
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)  
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)  
    at java.lang.reflect.Method.invoke(Method.java:498)  
    at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433)  
    at com.sun.proxy.$Proxy16.selectOne(Unknown Source)  
    at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:166)  
    at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:83)  
    at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59)  
    at com.sun.proxy.$Proxy21.selectByPrimaryKey(Unknown Source)  
    at com.example.shop.test.DaoTest.testCRUD(DaoTest.java:36)  
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)  
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)  
    at java.lang.reflect.Method.invoke(Method.java:498)  
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)  
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)  
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)  
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)

解决 更改 c3p0 jar

<dependency>  
    <groupId>com.mchange</groupId>  
    <artifactId>c3p0</artifactId>  
    <version>0.9.5.2</version>  
</dependency>