这篇文章给大家介绍mybatis中使用foreach批量insert出现异常如何解决，内容非常详细，感兴趣的小伙伴们可以参考借鉴，希望对大家能有所帮助。
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异常
org.springframework.jdbc.BadSqlGrammarException:
### Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INSERT INTO t_user_role(userid,roleid)VALUES(1,3)
;
INSERT INTO t_user_ro' at line 3
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### SQL: INSERT INTO t_user_role(userid,roleid)VALUES(?,?) ; INSERT INTO t_user_role(userid,roleid)VALUES(?,?) ; INSERT INTO t_user_role(userid,roleid)VALUES(?,?)
### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INSERT INTO t_user_role(userid,roleid)VALUES(1,3)
;
INSERT INTO t_user_ro' at line 3
; bad SQL grammar []; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INSERT INTO t_user_role(userid,roleid)VALUES(1,3)
;
INSERT INTO t_user_ro' at line 3
at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:231)
at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:73)
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:371)
at com.sun.proxy.$Proxy13.insert(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.insert(SqlSessionTemplate.java:240)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:51)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)
at com.sun.proxy.$Proxy14.addRoles(Unknown Source)
at com.atguigu.atcrowdfunding.manager.service.impl.UserServiceImpl.addRoles(UserServiceImpl.java:139)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
at com.sun.proxy.$Proxy17.addRoles(Unknown Source)
at com.atguigu.atcrowdfunding.manager.controller.UserController.doAddRoles(UserController.java:271)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:175)
at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:446)
at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:434)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:931)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:833)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:807)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1526)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1482)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INSERT INTO t_user_role(userid,roleid)VALUES(1,3)
;
INSERT INTO t_user_ro' at line 3
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
at com.mysql.jdbc.Util.getInstance(Util.java:387)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:941)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3870)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3806)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2470)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2617)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2550)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861)
at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1192)
at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.execute(NewProxyPreparedStatement.java:823)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.ibatis.logging.jdbc.PreparedStatementLogger.invoke(PreparedStatementLogger.java:62)
at com.sun.proxy.$Proxy24.execute(Unknown Source)
at org.apache.ibatis.executor.statement.PreparedStatementHandler.update(PreparedStatementHandler.java:44)
at org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:69)
at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:48)
at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:105)
at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:71)
at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:152)
at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:141)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:358)
... 65 more
异常分析
mapper.xml导致的错误地方
INSERT INTO t_user_role(userid,roleid)VALUES(#{userId},#{id})
异常中说
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INSERT INTO t_user_role(userid,roleid)VALUES(1,3)
首先觉得是 sql语句的问题，但是用sqlyog测试发现没有问题
后来发现是数据库对多个语句拼在一起的操作不支持问题
解决办法
在jdbcUrl中加入allowMultiQueries=true即可解决
jdbc.url=jdbc:mysql://localhost:3306/atcrowdfunding?allowMultiQueries=true&rewriteBatchedStatements=true&useUnicode=true&characterEncoding=utf8
补充：Mybatis foreach嵌套 批量insert map list数据
方式一：
以Teacher和Students为例 ，两者为一对多关系：**
Teacher 实体类
private String tid;
private String tName;
private List studentList;
public String getTid() {
return tid;
}
public void setTid(String tid) {
this.tid = tid;
}
public String gettName() {
return tName;
}
public void settName(String tName) {
this.tName = tName;
}
public List getStudentList() {
return studentList;
}
public void setStudentList(List studentList) {
this.studentList = studentList;
}
Student实体类
private String sid;
private String sName;
public String getSid() {
return sid;
}
public void setSid(String sid) {
this.sid = sid;
}
public String getsName() {
return sName;
}
public void setsName(String sName) {
this.sName = sName;
}应用场景 ：在老师的service层批量插入老师数据
int nums=1000;
//定义teacher list
List teaList=new ArrayList();
//数据是通过excel读取的 此处模拟循环读取excel row数据
for(int rowi=0;rowi stuList=new ArrayList();
Student student=new Student();
//此处获取Students集合
for(xxx){
stuList.add(student);
}
//把student集合和teacher绑定
teacher.setStudentList(stuList);
//把teacher放入list
teaList.add(teacher);
}
// 批量插入老师数据
teacherMapper.batchInsertTeacher(teaList);
//此时每个teacher对象都有返回的主键id值
//老师主键 对应一个list(学生信息) map
Map> stuMap=new HashMap<>();
//填入数据 老师主键一对多学生信息
for(Teacher tea:teaList){
//非空判断 避免老师没有对应学生的情况（此处只进行逻辑处理 不考虑现实中老师没有学生）
if(tea.getStudentList()!=null&&tea.getStudentList().size()>0){
stuMap.put(tea.getTid(),tea.getStudentList());
}
}
//调用学生service的批量保存学生方法
studentService.batchInsertStudent(stuMap);
student Mapper接口文件
int batchInsertStudent(@Param("stuMap") Map> stuMap);student mapper.xml文件（写法一：）
INSERT INTO bs_student (sid,sName,tid)
values
( (select REPLACE(UUID(),'-','') AS sid) ,#{list.sName},#{itemKey} )
student mapper.xml文件（写法二：）
INSERT INTO bs_student (sid,sName,tid)
（
SELECT
(select REPLACE(UUID(),'-','') AS sid)
,#{list.sName}
,#{itemKey}
FROM DUAL
）
stuMap：就是在接口中使用@Param(“stuMap”)标注了变量；
使用stuMap.keys可以取到所有的key，遍历。
内层循环中使用stuMap[itemKey]类似stuMap.get(“key”)取当前key对应的value值。由于value是list所以还需要遍历。
结果保存成功。再次膜拜强大的Mybatis。
至此 成功插入student数据。
方式二（推荐）：
自定义类
class EnclosingType{
private String uuid;
private List elements;
}class ElementType{
String a;
String b;
(...)
}Mapper.xml（方法一）
INSERT INTO table1(enclosingTypeId,column_a,column_b)
VALUES
(
#{uuid,jdbcType=VARCHAR}
,#{list.a,jdbcType=VARCHAR}
,#{list.b,jdbcType=VARCHAR}
)
Mapper.xml（方法二）
INSERT INTO table1(enclosingTypeId,column_a,column_b)
(
select #{uuid,jdbcType=VARCHAR}
,#{list.a,jdbcType=VARCHAR}
,#{list.b,jdbcType=VARCHAR}
from dual
)
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