使用JavaConfig配置uuid回显后，devtools无法使用

[xzy0725]

问题描述：参考http://blog.csdn.net/isea533/article/details/53011890

使用属性文件方式配置，可以正常使用devtools，但是使用配置文件方式不会配置uuid回显，因此使用了javaConfig

用了javaConfig配置后，导致项目无法启动，一直报错：

Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: 
Invalid property 'mapperHelper' of bean class [org.mybatis.spring.mapper.MapperFactoryBean]: 
Bean property 'mapperHelper' is not writable or has an invalid setter method. 
Does the parameter type of the setter match the return type of the getter?  

配置文件如下： Mybatis配置：

@Configuration  
public class MybatisConfig {  
    @Resource  
    private DataSource dataSource;  
    @Bean  
    public SqlSessionFactory sqlSessionFactoryBean() throws Exception {  
        SqlSessionFactoryBean sqlSessionFactory = new SqlSessionFactoryBean();  
        sqlSessionFactory.setDataSource(dataSource);  
        sqlSessionFactory.setTypeAliasesPackage("com.tjmj.web.**.domain");  
        ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();  
        try {  
            sqlSessionFactory.setMapperLocations(resolver.getResources("classpath*:mapper/*/*.xml"));  
        } catch (Exception e) {  
            e.printStackTrace();  
            throw new RuntimeException(e);  
        }  
        return sqlSessionFactory.getObject();  
    }  
}  

TkMapperConfig Mapper的配置：

@Configuration    
@AutoConfigureAfter(MybatisConfig.class)    
public class TkMapperConfig {    
    @Bean    
    public MapperScannerConfigurer mapperScannerConfigurer(){    
        MapperScannerConfigurer mapperScannerConfigurer = new MapperScannerConfigurer();    
        mapperScannerConfigurer.setSqlSessionFactoryBeanName("sqlSessionFactoryBean");    
        mapperScannerConfigurer.setBasePackage(“com.tjmj.web.**.domain”);    

        Properties properties = new Properties();    
        properties.setProperty("mappers", “com.tjmj.core.common.mapper.BaseMapper”);    
        properties.setProperty("notEmpty", "false");    
        properties.setProperty("IDENTITY","SELECT REPLACE(UUID(),''-'','''')");    
        //主键UUID回写方法执行顺序,默认AFTER,可选值为(BEFORE|AFTER)    
        properties.setProperty("ORDER","BEFORE");    
        mapperScannerConfigurer.setProperties(properties);    
        return mapperScannerConfigurer;    
    }    
}

[abel533]

这种方式不能用，@AutoConfigureAfter 特定情况才起作用。

如果非要用类似方式，就参考 https://github.com/abel533/mapper-boot-starter 项目。

[xzy0725]

Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'mapperHelper' of bean class [org.mybatis.spring.mapper.MapperFactoryBean]: Bean property 'mapperHelper' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter?

去掉了，也不行~~使用的mybatis-spring-boot项目测试的

[abel533]

mybatis相关依赖的版本是多少？

[xzy0725]

` <?xml version="1.0" encoding="UTF-8"?> <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

4.0.0

<groupId>tk.mybatis</groupId>
<artifactId>mybatis-spring-boot</artifactId>
<version>1.0.0-SNAPSHOT</version>

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.5.6.RELEASE</version>
</parent>

<properties>
    <java.version>1.8</java.version>
    <mybatis.spring.version>1.2.4</mybatis.spring.version>
</properties>

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-jdbc</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-aop</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-freemarker</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-devtools</artifactId>
        <optional>true</optional>
    </dependency>

    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
    </dependency>

    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-core</artifactId>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.datatype</groupId>
        <artifactId>jackson-datatype-joda</artifactId>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.module</groupId>
        <artifactId>jackson-module-parameter-names</artifactId>
    </dependency>

    <dependency>
        <groupId>com.alibaba</groupId>
        <artifactId>druid</artifactId>
        <version>1.0.11</version>
    </dependency>

    <!--mybatis-->
    <dependency>
        <groupId>org.mybatis.spring.boot</groupId>
        <artifactId>mybatis-spring-boot-starter</artifactId>
        <version>RELEASE</version>
    </dependency>
    <!--mapper-->
    <dependency>
        <groupId>tk.mybatis</groupId>
        <artifactId>mapper-spring-boot-starter</artifactId>
        <version>RELEASE</version>
    </dependency>
    <!--pagehelper-->
    <dependency>
        <groupId>com.github.pagehelper</groupId>
        <artifactId>pagehelper-spring-boot-starter</artifactId>
        <version>RELEASE</version>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-configuration-processor</artifactId>
        <optional>true</optional>
    </dependency>

    <dependency>
        <groupId>com.alibaba</groupId>
        <artifactId>druid-spring-boot-starter</artifactId>
        <version>1.1.0</version>
    </dependency>

</dependencies>

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
            <dependencies>
                <dependency>
                    <groupId>org.springframework</groupId>
                    <artifactId>springloaded</artifactId>
                    <version>1.2.5.RELEASE</version>
                </dependency>
            </dependencies>
        </plugin>
        <plugin>
            <groupId>org.mybatis.generator</groupId>
            <artifactId>mybatis-generator-maven-plugin</artifactId>
            <version>1.3.2</version>
            <configuration>
                <configurationFile>${basedir}/src/main/resources/generator/generatorConfig.xml</configurationFile>
                <overwrite>true</overwrite>
                <verbose>true</verbose>
            </configuration>
            <dependencies>
                <dependency>
                    <groupId>mysql</groupId>
                    <artifactId>mysql-connector-java</artifactId>
                    <version>${mysql.version}</version>
                </dependency>
                <dependency>
                    <groupId>tk.mybatis</groupId>
                    <artifactId>mapper</artifactId>
                    <version>3.4.0</version>
                </dependency>
            </dependencies>
        </plugin>
    </plugins>
</build>

`

用的mybatis-spring-boot的项目，spring boot 1.5.6/1.5.8都不行，mybatis 3.4.5

[abel533]

和 https://github.com/abel533/MyBatis-Spring-Boot 项目很接近。。能不能在这个基础上试试。

[xzy0725]

我这个测试就是在你给出的项目上测试的。。又整了好几天了。。找到这么个答案。。

这个问题现在还没有解决吗？原文（https://www.oschina.net/question/2307208_2197431）

[abel533]

@xzy0725 很早很早就已经解决了，新版本Mapper没这个问题。

[xzy0725]

我现在用的是 Springboot版本，引入的是3.4.4，但是还是有这个问题

以前是什么原因导致的？能不能给提供点思路

[abel533]

如果方便就提供的简单demo吧，我试试。

[xzy0725]

https://github.com/xzy0725/mybatis.git

用这个试试，我直接在你的mybatis项目上修改的