问题
SpringBoot+Mybatis+Oracle这套环境出现报错
Caused by: org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.type.TypeException: Could not set parameters for mapping: ParameterMapping{property='modifyTime', mode=IN, javaType=class java.util.Date, 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
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:96)
at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:441)
at com.sun.proxy.$Proxy133.insert(Unknown Source)
at org.mybatis.spring.SqlSessionTemplate.insert(SqlSessionTemplate.java:272)
at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.execute(MybatisMapperMethod.java:59)
at com.baomidou.mybatisplus.core.override.MybatisMapperProxy$PlainMethodInvoker.invoke(MybatisMapperProxy.java:148)
at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:89)
at com.sun.proxy.$Proxy138.insert(Unknown Source)
at com.baomidou.mybatisplus.extension.service.IService.save(IService.java:63)
at com.baomidou.mybatisplus.extension.service.IService$$FastClassBySpringCGLIB$$f8525d18.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:779)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:750)
at org.springframework.retry.annotation.AnnotationAwareRetryOperationsInterceptor.invoke(AnnotationAwareRetryOperationsInterceptor.java:156)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:750)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:692)
at com.ais.cdc.service.impl.FileDirectoryServiceImpl$$EnhancerBySpringCGLIB$$9db0eb62.save(<generated>)
at com.ais.cdc.config.init.DbDataInitializer.initParentDir(DbDataInitializer.java:28)
at com.ais.cdc.config.init.DbDataInitializer.run(DbDataInitializer.java:21)
at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:783)
... 10 common frames omitted
Caused by: org.apache.ibatis.type.TypeException: Could not set parameters for mapping: ParameterMapping{property='modifyTime', mode=IN, javaType=class java.util.Date, 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
at com.baomidou.mybatisplus.core.MybatisParameterHandler.setParameters(MybatisParameterHandler.java:236)
at org.apache.ibatis.executor.statement.PreparedStatementHandler.parameterize(PreparedStatementHandler.java:94)
at org.apache.ibatis.executor.statement.RoutingStatementHandler.parameterize(RoutingStatementHandler.java:64)
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.apache.ibatis.plugin.Plugin.invoke(Plugin.java:64)
at com.sun.proxy.$Proxy228.parameterize(Unknown Source)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:88)
at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:49)
at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117)
at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:76)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49)
at com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor.intercept(MybatisPlusInterceptor.java:106)
at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:62)
at com.sun.proxy.$Proxy227.update(Unknown Source)
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.apache.ibatis.plugin.Plugin.invoke(Plugin.java:64)
at com.sun.proxy.$Proxy227.update(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:64)
at com.sun.proxy.$Proxy227.update(Unknown Source)
at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:194)
at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:181)
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$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:427)
... 30 common frames omitted
Caused by: org.apache.ibatis.type.TypeException: Error setting null for parameter #5 with JdbcType OTHER . Try setting a different JdbcType for this parameter or a different jdbcTypeForNull configuration property. Cause: java.sql.SQLException: 无效的列类型: 1111
at org.apache.ibatis.type.BaseTypeHandler.setParameter(BaseTypeHandler.java:67)
at com.baomidou.mybatisplus.core.MybatisParameterHandler.setParameters(MybatisParameterHandler.java:234)
... 69 common frames omitted
Caused by: java.sql.SQLException: 无效的列类型: 1111
at oracle.jdbc.driver.OracleStatement.getInternalType(OracleStatement.java:4369)
at oracle.jdbc.driver.OraclePreparedStatement.setNullCritical(OraclePreparedStatement.java:5836)
at oracle.jdbc.driver.OraclePreparedStatement.setNull(OraclePreparedStatement.java:5818)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.setNull(OraclePreparedStatementWrapper.java:1292)
at com.alibaba.druid.pool.DruidPooledPreparedStatement.setNull(DruidPooledPreparedStatement.java:270)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.ibatis.logging.jdbc.PreparedStatementLogger.invoke(PreparedStatementLogger.java:67)
at com.sun.proxy.$Proxy230.setNull(Unknown Source)
at org.apache.ibatis.type.BaseTypeHandler.setParameter(BaseTypeHandler.java:65)
... 70 common frames omitted
剖析报错
错误分一下层次
第一层 转发错误
MyBatisSystemException
Caused by: org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.type.TypeException: Could not set parameters for mapping: ParameterMapping{property='modifyTime', mode=IN, javaType=class java.util.Date, 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
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:96)
报错位置
org.mybatis.spring.MyBatisExceptionTranslator
public DataAccessException translateExceptionIfPossible(RuntimeException e) {
if (e instanceof PersistenceException) {
if (((RuntimeException)e).getCause() instanceof PersistenceException) {
e = (PersistenceException)((RuntimeException)e).getCause();
}
if (((RuntimeException)e).getCause() instanceof SQLException) {
this.initExceptionTranslator();
String task = ((RuntimeException)e).getMessage() + "\n";
SQLException se = (SQLException)((RuntimeException)e).getCause();
DataAccessException dae = this.exceptionTranslator.translate(task, (String)null, se);
return (DataAccessException)(dae != null ? dae : new UncategorizedSQLException(task, (String)null, se));
} else if (((RuntimeException)e).getCause() instanceof TransactionException) {
throw (TransactionException)((RuntimeException)e).getCause();
} else {
return new MyBatisSystemException((Throwable)e);
}
//***
}
只是负责转发报错
第二层 获取默认jdbcType
TypeException
Caused by: org.apache.ibatis.type.TypeException: Could not set parameters for mapping: ParameterMapping{property='modifyTime', mode=IN, javaType=class java.util.Date, 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
at com.baomidou.mybatisplus.core.MybatisParameterHandler.setParameters(MybatisParameterHandler.java:236)
报错位置
com.baomidou.mybatisplus.core.MybatisParameterHandler
public void setParameters(PreparedStatement ps) {
//***
TypeHandler typeHandler = parameterMapping.getTypeHandler();
//这一步获取的jdbcType是null
JdbcType jdbcType = parameterMapping.getJdbcType();
if (value == null && jdbcType == null) {
//从配置获取jdbcType，获取到的是1111，指什么，看下一节
jdbcType = configuration.getJdbcTypeForNull();
}
try {
//把1111传给了TypeHandler对象的setParameter方法
typeHandler.setParameter(ps, i + 1, value, jdbcType);
} catch (SQLException | TypeException var10) {
throw new TypeException("Could not set parameters for mapping: " + parameterMapping + ". Cause: " + var10, var10);
}
//***
}
进configuration.getJdbcTypeForNull();看一下
org.apache.ibatis.session.Configuration
protected JdbcType jdbcTypeForNull = JdbcType.OTHER;
public JdbcType getJdbcTypeForNull() {
return this.jdbcTypeForNull;
}
public void setJdbcTypeForNull(JdbcType jdbcTypeForNull) {
this.jdbcTypeForNull = jdbcTypeForNull;
}
如果没人来set一下，那默认值是JdbcType.OTHER
org.apache.ibatis.type.JdbcType
public enum JdbcType {
//***
OTHER(Types.OTHER),
//***
}
java.sql.Types 用来标识数据库类型对应的值
package java.sql;
/**
* <P>The class that defines the constants that are used to identify generic
* SQL types, called JDBC types.
* <p>
* This class is never instantiated.
*/
public class Types {
/**
* <P>The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* <code>BIT</code>.
*/
public final static int BIT = -7;
//***
/**
* The constant in the Java programming language that indicates
* that the SQL type is database-specific and
* gets mapped to a Java object that can be accessed via
* the methods <code>getObject</code> and <code>setObject</code>.
*/
public final static int OTHER = 1111;
//***
}
这里获取了默认的jdbcType，值是1111
第三层 空参数的处理
TypeException
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
at org.apache.ibatis.type.BaseTypeHandler.setParameter(BaseTypeHandler.java:67)
报错位置
org.apache.ibatis.type.BaseTypeHandler
public void setParameter(PreparedStatement ps, int i, T parameter, JdbcType jdbcType) throws SQLException {
//参数为空，进来了
if (parameter == null) {
//jdbcType是默认值1111兜底，不会进
if (jdbcType == null) {
throw new TypeException("JDBC requires that the JdbcType must be specified for all nullable parameters.");
}
try {
//进了这
ps.setNull(i, jdbcType.TYPE_CODE);
} catch (SQLException var7) {
//报了这个错
throw new TypeException("Error setting null for parameter #" + i + " with JdbcType " + jdbcType + " . Try setting a different JdbcType for this parameter or a different jdbcTypeForNull configuration property. Cause: " + var7, var7);
}
} else {
try {
this.setNonNullParameter(ps, i, parameter, jdbcType);
} catch (Exception var6) {
throw new TypeException("Error setting non null for parameter #" + i + " with JdbcType " + jdbcType + " . Try setting a different JdbcType for this parameter or a different configuration property. Cause: " + var6, var6);
}
}
}
在参数为空、jdbcType为1111时，调用了PreparedStatement对象的setNull方法
第四层 查找JDK与Oracle数据类型的对应关系
java.sql.SQLException
Caused by: java.sql.SQLException: 无效的列类型: 1111
at oracle.jdbc.driver.OracleStatement.getInternalType(OracleStatement.java:4369)
报错位置
oracle.jdbc.driver.OracleStatement
void setNullCritical(int var1, int var2) throws SQLException {
int var3 = var1 - 1;
if (var3 >= 0 && var1 <= this.numberOfBindPositions) {
Object var4 = null;
int var5 = this.getInternalType(var2);
//***
}
这没捕获异常，进去
int getInternalType(int var1) throws SQLException {
boolean var2 = false;
short var3;
switch (var1) {
case -104:
var3 = 183;
break;
case -103:
var3 = 182;
break;
case -102:
var3 = 231;
break;
case -101:
case 2013:
case 2014:
var3 = 181;
break;
case -100:
case 93:
var3 = 180;
break;
case -16:
case -1:
var3 = 8;
break;
case -15:
case -9:
case 12:
var3 = 1;
break;
case -14:
var3 = 998;
break;
case -13:
var3 = 114;
break;
case -10:
case 2012:
var3 = 102;
break;
case -8:
var3 = 104;
break;
case -7:
case -6:
case -5:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
var3 = 6;
break;
case -4:
var3 = 24;
break;
case -3:
case -2:
var3 = 23;
break;
case 0:
var3 = 995;
break;
case 1:
var3 = 96;
break;
case 70:
var3 = 1;
break;
case 91:
case 92:
var3 = 12;
break;
case 100:
var3 = 100;
break;
case 101:
var3 = 101;
break;
case 252:
var3 = 252;
break;
case 999:
var3 = 999;
break;
case 2002:
case 2003:
case 2007:
case 2008:
case 2009:
var3 = 109;
break;
case 2004:
var3 = 113;
break;
case 2005:
case 2011:
var3 = 112;
break;
case 2006:
var3 = 111;
break;
default:
throw (SQLException)((SQLException)DatabaseError.createSqlException(this.getConnectionDuringExceptionHandling(), 4, Integer.toString(var1)).fillInStackTrace());
}
return var3;
}
这里1111匹配不到对应的数字，把1111，就是入参var1打了出来
这数字对应关系，应该就是java.sql.Types（参数类型值）和对应数据库（就是Oracle）的数据类型的对应关系，找不到就报错
解决
设置
mybatis.configuration.jdbc-type-for-null='null'
mybatis-plus是这个
mybatis-plus.configuration.jdbc-type-for-null=null
原理
原理是这个类或读取配置中的jdbcTypeForNull，配置文件json中mybatis.configuration.jdbc-type-for-null对应的就是org.apache.ibatis.session.Configuration的jdbcTypeForNull
org\mybatis\spring\boot\mybatis-spring-boot-autoconfigure\2.2.0\mybatis-spring-boot-autoconfigure-2.2.0.jar!\META-INF\spring-configuration-metadata.json
{
"name": "mybatis.configuration.jdbc-type-for-null",
"type": "org.apache.ibatis.type.JdbcType",
"sourceType": "org.apache.ibatis.session.Configuration"
},
null会定位到org.apache.ibatis.type.JdbcType的NULL(0),
org.apache.ibatis.builder.xml.XMLConfigBuilder
configuration.setJdbcTypeForNull(JdbcType.valueOf(props.getProperty("jdbcTypeForNull", "OTHER")));
org.apache.ibatis.type.JdbcType
NULL(0),
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