# apt

**Repository Path**: bjx2130/apt

## Basic Information

- **Project Name**: apt
- **Description**: APT(Annotation Processing Tool)
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 1
- **Forks**: 0
- **Created**: 2024-03-05
- **Last Updated**: 2024-06-06

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

##项目结构

    apt-sm-annotation：apt(Advanced Packaging Tool) 使用的注解
    apt-sm-compile：(Advanced Packaging Tool) 注解处理器（编译时执行）
    apt-demo：如何使用 apt-sm-annotation 和 apt-sm-compile

##参考文档

    https://blog.csdn.net/demon7552003/article/details/129099619
    https://mbd.baidu.com/ug_share/mbox/4a83aa9e65/share?product=smartapp&tk=a325d3404af344e5873d833a452b7e5a&share_url=https%3A%2F%2Fyebd1h.smartapps.cn%2Fpages%2Fblog%2Findex%3FblogId%3D120415574%26_swebfr%3D1%26_swebFromHost%3Dbaiduboxapp&domain=mbd.baidu.com

###idea运行报错

    idea 报错：

    java: java.lang.ClassCastException: class com.sun.proxy.$Proxy17 cannot be cast to class com.sun.tools.javac.processing.JavacProcessingEnvironment (com.sun.proxy.$Proxy17 is in unnamed module of loader java.net.URLClassLoader @59690aa4; com.sun.tools.javac.processing.JavacProcessingEnvironment is in module jdk.compiler of loader 'app')
    
    报错场景：
    
    项目中使用lombok或者mapStruct，运行项目时报错
    运行某些较旧的代码，报错java.lang.ClassCastException: com.sun.proxy.$Proxy25 cannot be cast to com.sun.tools.javac.processing.JavacProcessingEnvironment
    

    解决方法一：
        在 settings–>Build, Execution, deployment–>Compiler
        在Shared build process VM opyions：加-Djps.track.ap.dependencies=false
        应用，保存，重新运行

    解决方法二：
        idea修改设置
        File -> Setting –> Build,Execution,Deployment–> Build Tools-> Maven-> Runner-> Delegate IDE buil/run actions to Maven(选中) 


### mvn clean install 报错    
    报错场景：使用jdk8 以上运行时报如下错误时
                   
        英文：Bad service configuration file, or exception thrown while constructing Processor object: javax.annotation.processing.Processor: org.jeecg.common.dict.processor.Dictarg constructor
        中文：服务配置文件不正确, 或构造处理程序对象javax.annotation.processing.Processor: org.jeecg.common.dict.processor.DictAnnotationProcessor Unable to get public no-arg constructor时抛出异常错误
    
    

    解决方法：需要在使用 apt-sm-compile 的项目中 添加以下配置 <fork>true</fork>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <encoding>UTF-8</encoding>
                    <!-- 在jdk 9以上输出基于1.8编译的设置应该类似如下设置。-->
                    <fork>true</fork>
                </configuration>
            </plugin>