SpringBoot 中 使用Mybatis时 如果后端数据库为 Oracle注意事项

报错信息如下:

 Could not set parameters for mapping: ParameterMapping{property='age', mode=IN, javaType=class java.lang.Integer, jdbcType=null
  1 org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.type.TypeException: Could not set parameters for mapping: ParameterMapping{property='age', mode=IN, javaType=class java.lang.Integer, jdbcType=null, numericScale=null, resultMapId='null', jdbcTypeName='null', expression='null'}. Cause: org.apache.ibatis.type.TypeException: Error setting null for parameter #5 with JdbcType OTHER . Try setting a different JdbcType for this parameter or a different jdbcTypeForNull configuration property. Cause: java.sql.SQLException: 无效的列类型: 1111
  2     at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:77)
  3     at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:446)
  4     at com.sun.proxy.$Proxy72.insert(Unknown Source)
  5     at org.mybatis.spring.SqlSessionTemplate.insert(SqlSessionTemplate.java:278)
  6     at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:58)
  7     at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59)
  8     at com.sun.proxy.$Proxy95.insert(Unknown Source)
  9     at com.leecx.service.impl.UserServiceImpl.saveUser(UserServiceImpl.java:23)
 10     at com.leecx.controller.MyBatisCRUDController.saveUser(MyBatisCRUDController.java:44)
 11     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 12     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 13     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 14     at java.lang.reflect.Method.invoke(Method.java:498)
 15     at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
 16     at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
 17     at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
 18     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
 19     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
 20     at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
 21     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
 22     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
 23     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
 24     at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
 25     at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
 26     at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
 27     at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
 28     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
 29     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 30     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
 31     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 32     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 33     at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)
 34     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 35     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 36     at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
 37     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 38     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 39     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 40     at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:108)
 41     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 42     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 43     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 44     at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)
 45     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 46     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 47     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 48     at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
 49     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 50     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 51     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 52     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
 53     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
 54     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478)
 55     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
 56     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
 57     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
 58     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
 59     at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803)
 60     at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
 61     at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
 62     at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459)
 63     at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
 64     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 65     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 66     at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 67     at java.lang.Thread.run(Thread.java:748)
 68 Caused by: org.apache.ibatis.type.TypeException: Could not set parameters for mapping: ParameterMapping{property='age', mode=IN, javaType=class java.lang.Integer, jdbcType=null, numericScale=null, resultMapId='null', jdbcTypeName='null', expression='null'}. Cause: org.apache.ibatis.type.TypeException: Error setting null for parameter #5 with JdbcType OTHER . Try setting a different JdbcType for this parameter or a different jdbcTypeForNull configuration property. Cause: java.sql.SQLException: 无效的列类型: 1111
 69     at org.apache.ibatis.scripting.defaults.DefaultParameterHandler.setParameters(DefaultParameterHandler.java:89)
 70     at org.apache.ibatis.executor.statement.PreparedStatementHandler.parameterize(PreparedStatementHandler.java:93)
 71     at org.apache.ibatis.executor.statement.RoutingStatementHandler.parameterize(RoutingStatementHandler.java:64)
 72     at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:86)
 73     at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:49)
 74     at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117)
 75     at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:76)
 76     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 77     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 78     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 79     at java.lang.reflect.Method.invoke(Method.java:498)
 80     at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63)
 81     at com.sun.proxy.$Proxy92.update(Unknown Source)
 82     at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:198)
 83     at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:185)
 84     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 85     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 86     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 87     at java.lang.reflect.Method.invoke(Method.java:498)
 88     at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433)
 89     ... 64 more
 90 Caused by: org.apache.ibatis.type.TypeException: Error setting null for parameter #5 with JdbcType OTHER . Try setting a different JdbcType for this parameter or a different jdbcTypeForNull configuration property. Cause: java.sql.SQLException: 无效的列类型: 1111
 91     at org.apache.ibatis.type.BaseTypeHandler.setParameter(BaseTypeHandler.java:47)
 92     at org.apache.ibatis.scripting.defaults.DefaultParameterHandler.setParameters(DefaultParameterHandler.java:87)
 93     ... 83 more
 94 Caused by: java.sql.SQLException: 无效的列类型: 1111
 95     at oracle.jdbc.driver.OracleStatement.getInternalType(OracleStatement.java:3900)
 96     at oracle.jdbc.driver.OraclePreparedStatement.setNullCritical(OraclePreparedStatement.java:4406)
 97     at oracle.jdbc.driver.OraclePreparedStatement.setNull(OraclePreparedStatement.java:4388)
 98     at oracle.jdbc.driver.OraclePreparedStatementWrapper.setNull(OraclePreparedStatementWrapper.java:1281)
 99     at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_setNull(FilterChainImpl.java:2807)
100     at com.alibaba.druid.filter.FilterAdapter.preparedStatement_setNull(FilterAdapter.java:1286)
101     at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_setNull(FilterChainImpl.java:2804)
102     at com.alibaba.druid.proxy.jdbc.PreparedStatementProxyImpl.setNull(PreparedStatementProxyImpl.java:402)
103     at com.alibaba.druid.pool.DruidPooledPreparedStatement.setNull(DruidPooledPreparedStatement.java:266)
104     at org.apache.ibatis.type.BaseTypeHandler.setParameter(BaseTypeHandler.java:45)
105     ... 84 more

因为Mybaties对ORACLE数据的支持  中  默认存储数据库表的 字段不能保存为空

如果允许保存为空  则需要指定 参数  jdbcTypeForNull

1、配置文件只要在mybatis-config.xml 中添加 这条 代码即可 
<settings>
<setting name="jdbcTypeForNull" value="NULL" />
</settings>

2、SpringBoot如果没有配置文件的 则需要在 SpringBoot启动主类上 加上如下代码
 1 /*************对于是ORACLE 数据库的 mybatis必须增加如下的配置*********Start */
 2     @Bean
 3     public ConfigurationCustomizer configurationCustomizer() {
 4         return new MybatisPlusCustomizers();
 5     }
 6 
 7     class MybatisPlusCustomizers implements ConfigurationCustomizer {
 8         @Override
 9         public void customize(org.apache.ibatis.session.Configuration configuration) {
10             configuration.setJdbcTypeForNull(JdbcType.NULL);
11         }
12     }
13     /*************对于是ORACLE 数据库的 mybatis必须增加如下的配置*********End */

如  Application.java

 1 package com.leecx;
 2 
 3 import org.apache.ibatis.type.JdbcType;
 4 import org.mybatis.spring.boot.autoconfigure.ConfigurationCustomizer;
 5 import org.springframework.boot.SpringApplication;
 6 import org.springframework.boot.autoconfigure.SpringBootApplication;
 7 import org.springframework.context.annotation.Bean;
 8 import org.springframework.context.annotation.ComponentScan;
 9 
10 import tk.mybatis.spring.annotation.MapperScan;
11 
12 @SpringBootApplication
13 //扫描 mybatis mapper 包路径
14 @MapperScan(basePackages = "com.leecx.mapper")
15 //扫描 所有需要的包, 包含一些自用的工具类包 所在的路径
16 @ComponentScan(basePackages= {"com.leecx", "org.n3r.idworker"})
17 public class Application {
18     
19     /*************对于是ORACLE 数据库的 mybatis必须增加如下的配置*********Start */
20     @Bean
21     public ConfigurationCustomizer configurationCustomizer() {
22         return new MybatisPlusCustomizers();
23     }
24 
25     class MybatisPlusCustomizers implements ConfigurationCustomizer {
26         @Override
27         public void customize(org.apache.ibatis.session.Configuration configuration) {
28             configuration.setJdbcTypeForNull(JdbcType.NULL);
29         }
30     }
31     /*************对于是ORACLE 数据库的 mybatis必须增加如下的配置*********End */
32 
33     public static void main(String[] args) {
34         SpringApplication.run(Application.class, args);
35     }
36     
37          
38 }
原文地址:https://www.cnblogs.com/yinfengjiujian/p/8809456.html