maven遇到项目编译不通过，缺少类class not found ，但是maven依赖不报错

本文介绍了解决Maven项目中出现的ClassNotFound错误的方法。通过排查依赖树、检查WARNS日志并手动下载缺失的jar包来解决类找不到的问题。

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maven遇到项目编译不通过，缺少类class not found ，但是maven依赖不报错

最近项目导入遇到个问题，项目导入后，编译代码，发现有个类没有找到，但是maven的依赖没有报错。一直查找问题，缺少的jar报，发现缺少的依赖jar包，缺少没有下载下来，通过第三方下载后，编译还是缺少类，下载引入的jar没有起作用。百度问题

在项目目录下，使用 mvn -X dependency:tree

D:\code\qjzh-code\panoramiccontrol>mvn -X dependency:tree


Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)
Maven home: D:\Program Files\apache-maven-3.6.3-bin\apache-maven-3.6.3\bin\..
Java version: 1.8.0_144, vendor: Oracle Corporation, runtime: D:\Program Files\Java\jdk1.8.0_144\jre
Default locale: zh_CN, platform encoding: GBK
OS name: "windows 10", version: "10.0", arch: "amd64", family: "windows"
[DEBUG] Created new class realm maven.api
[DEBUG] Importing foreign packages into class realm maven.api
[DEBUG]   Imported: javax.annotation.* < plexus.core
[DEBUG]   Imported: javax.annotation.security.* < plexus.core
[DEBUG]   Imported: javax.enterprise.inject.* < plexus.core
[DEBUG]   Imported: javax.enterprise.util.* < plexus.core
[DEBUG]   Imported: javax.inject.* < plexus.core
[DEBUG]   Imported: org.apache.maven.* < plexus.core
[DEBUG]   Imported: org.apache.maven.artifact < plexus.core
[DEBUG]   Imported: org.apache.maven.classrealm < plexus.core
[DEBUG]   Imported: org.apache.maven.cli < plexus.core
[DEBUG]   Imported: org.apache.maven.configuration < plexus.core
[DEBUG]   Imported: org.apache.maven.exception < plexus.core
[DEBUG]   Imported: org.apache.maven.execution < plexus.core

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