解决mybatis-plus使用jdk8的LocalDateTime 查询时报错的方法
mybatis-plus使用jdk8的LocalDateTime
查询时报错：
org.springframework.dao.InvalidDataAccessApiUsageException:Errorattemptingtogetcolumn'update_time'fromresultset. Cause:java.sql.SQLFeatureNotSupportedException
;null;nestedexceptionisjava.sql.SQLFeatureNotSupportedException
废话少说，直接上例子代码:
实体类：
以下实体类创建时间字段使用了LocalDateTime
@Data
@EqualsAndHashCode(callSuper=true)
@Accessors(chain=true)
@TableName("sys_user")
publicclassUserextendsBaseEntity{
privatestaticfinallongserialVersionUID=1L;
/**
*主键
*/
@TableId(value="id",type=IdType.AUTO)
privateLongid;
/**
*归属部门
*/
privateLongdeptId;
/**
*登录名
*/
privateStringusername;
/**
*密码
*/
privateStringpassword;
/**
*姓名
*/
privateStringrealname;
/**
*性别。0：未知；1：男；2：女
*/
privateIntegersex;
/**
*手机号码
*/
privateStringphone;
/**
*创建时间
*/
privateLocalDateTimecreateTime;
}
单元测试：
@Test
publicvoidcontextLoads(){
Useradmin=userService.getByUsername("admin");
LOGGER.info("admin={}",admin);
}
单元测试报错：
org.springframework.dao.InvalidDataAccessApiUsageException:Errorattemptingtogetcolumn'update_time'fromresultset.Cause:java.sql.SQLFeatureNotSupportedException ;null;nestedexceptionisjava.sql.SQLFeatureNotSupportedException atorg.springframework.jdbc.support.SQLExceptionSubclassTranslator.doTranslate(SQLExceptionSubclassTranslator.java:96) atorg.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:72) atorg.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81) atorg.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73) atorg.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:446) atcom.sun.proxy.$Proxy75.selectOne(UnknownSource) atorg.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:166) atcom.baomidou.mybatisplus.core.override.MybatisMapperMethod.execute(MybatisMapperMethod.java:99) atcom.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:61) atcom.sun.proxy.$Proxy76.selectOne(UnknownSource) atcom.baomidou.mybatisplus.extension.service.impl.ServiceImpl.getOne(ServiceImpl.java:255) atcom.baomidou.mybatisplus.extension.service.IService.getOne(IService.java:192) atcom.kalvin.layoa.service.oa.UserServiceImpl.getByUsername(UserServiceImpl.java:42) atcom.kalvin.layoa.LayOaApplicationTests.contextLoads(LayOaApplicationTests.java:16) atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod) atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) atjava.lang.reflect.Method.invoke(Method.java:498) atorg.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) atorg.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) atorg.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) atorg.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) atorg.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:74) atorg.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:84) atorg.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75) atorg.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86) atorg.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84) atorg.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) atorg.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251) atorg.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) atorg.junit.runners.ParentRunner$3.run(ParentRunner.java:290) atorg.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) atorg.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) atorg.junit.runners.ParentRunner.access$000(ParentRunner.java:58) atorg.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) atorg.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) atorg.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) atorg.junit.runners.ParentRunner.run(ParentRunner.java:363) atorg.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190) atorg.junit.runner.JUnitCore.run(JUnitCore.java:137) atcom.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) atcom.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47) atcom.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) atcom.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) Causedby:java.sql.SQLFeatureNotSupportedException atcom.alibaba.druid.pool.DruidPooledResultSet.getObject(DruidPooledResultSet.java:1771) atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod) atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) atjava.lang.reflect.Method.invoke(Method.java:498) atorg.apache.ibatis.logging.jdbc.ResultSetLogger.invoke(ResultSetLogger.java:69) atcom.sun.proxy.$Proxy114.getObject(UnknownSource) atorg.apache.ibatis.type.LocalDateTimeTypeHandler.getNullableResult(LocalDateTimeTypeHandler.java:38) atorg.apache.ibatis.type.LocalDateTimeTypeHandler.getNullableResult(LocalDateTimeTypeHandler.java:28) atorg.apache.ibatis.type.BaseTypeHandler.getResult(BaseTypeHandler.java:81) atorg.apache.ibatis.executor.resultset.DefaultResultSetHandler.applyAutomaticMappings(DefaultResultSetHandler.java:521) atorg.apache.ibatis.executor.resultset.DefaultResultSetHandler.getRowValue(DefaultResultSetHandler.java:402) atorg.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleRowValuesForSimpleResultMap(DefaultResultSetHandler.java:354) atorg.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleRowValues(DefaultResultSetHandler.java:328) atorg.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleResultSet(DefaultResultSetHandler.java:301) atorg.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleResultSets(DefaultResultSetHandler.java:194) atorg.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:65) atorg.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:79) atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod) atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) atjava.lang.reflect.Method.invoke(Method.java:498) atorg.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63) atcom.sun.proxy.$Proxy111.query(UnknownSource) atorg.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:63) atorg.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324) atorg.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) atorg.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) atorg.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83) atorg.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147) atorg.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140) atorg.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:76) atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod) atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) atjava.lang.reflect.Method.invoke(Method.java:498) atorg.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) ...39more
解决方法：
- mybatis-plus版本降至3.1.0或以下即可
- 也可以参考下面网友提供的其它解决方法
- 官方解决方案：1.升级druid到1.1.21解决这个问题；2.保持mp版本3.1.0；3.紧跟mp版本，换掉druid数据源
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