SSM_bug整理：org.springframework.jdbc.BadSqlGrammarException:

org.springframework.jdbc.BadSqlGrammarException:

### Error updating database.  Cause: java.sql.SQLException: Column count doesn't match value count at row 1

### The error may involve com.zq.mapper.UsersMapper.addUsers-Inline

### The error occurred while setting parameters

### SQL: insert into t_users values   (null,?,?,?,   ?,?,?,?,   ?,?,?,?,?,   ?)

### Cause: java.sql.SQLException: Column count doesn't match value count at row 1

; bad SQL grammar []; nested exception is java.sql.SQLException: Column count doesn't match value count at row 1

    at org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.doTranslate(SQLStateSQLExceptionTranslator.java:99)

    at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:73)

    at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81)

    at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81)

    at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73)

    at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:371)

    at $Proxy11.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 $Proxy14.addUsers(Unknown Source)

    at com.zq.service.impl.UsersServiceImpl.addUsersService(UsersServiceImpl.java:16)

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

    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

    at java.lang.reflect.Method.invoke(Method.java:597)

    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:99)

    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:267)

    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)

    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 $Proxy15.addUsersService(Unknown Source)

    at com.zq.test.addUsers(test.java:32)

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

    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

    at java.lang.reflect.Method.invoke(Method.java:597)

    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)

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

    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)

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

    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)

    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)

    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)

    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)

    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)

    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)

    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)

    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)

    at org.junit.runners.ParentRunner.run(ParentRunner.java:309)

    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)

    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)

    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)

    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)

    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)

    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

Caused by: java.sql.SQLException: Column count doesn't match value count at row 1

    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)

    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4096)

    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4028)

    at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2490)

    at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2651)

    at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2683)

    at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2144)

    at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1379)

    at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:169)

    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(NativeMethodAccessorImpl.java:39)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

    at java.lang.reflect.Method.invoke(Method.java:597)

    at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:358)

    ... 45 more

会导致该问题出现的原因有：

1.sql语句错误

2.sql语句中的字段数与要保存的字段数不同