一.错误信息

SpringBoot进行Maven install操作时报repackage failed: Unable to find main class -> [Help 1]的错误,信息如下

[ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.0.4.RELEASE:repackage (default) on project qfxSpringbootReadPropertiesDemo: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:2.0.4.RELEASE:repackage failed: Unable to find main class -> [Help 1][ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.[ERROR] Re-run Maven using the -X switch to enable full debug logging.[ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles:[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException

二.错误原因

因为没有正式环境的入口类,项目结构如下:

三.解决方案1

pom.xml文件的<build>中指定入口类,代码如下

            
     
      com.qfx.App
     
    

如图

四.解决方案2

去掉<build>配置信息中spring热部署的配置，如图

五.解决方案3

修改pom.xml配置文件<build>内容如下,添加一个<pluginManagement>标签，代码如下

            
     
      test
             
                 
                      
                           
        
         org.springframework.boot
                            
        
         spring-boot-maven-plugin
                            
                                
                                 
          
          
           org.springframework
           
          
           springloaded
           
          
           1.2.8.RELEASE
           
                             
                        
                   
              
         
    

六.再次执行 Maven install,一切正常