spring boot 项目打包时报错 Execution default of goal org.springframework.boot:spring-boot-maven-plugin:1.5.

异常信息如下：

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[ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.5.9.RELEASE:repackage (default) on project SpringCloudUserFeign: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:1.5.9.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   Process finished with exit code 1

解决方案一:

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创建main方法

解决方案二: 
添加如下配置

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<build>         <plugins>             <plugin>                 <groupId>org.springframework.boot</groupId>                 <artifactId>spring-boot-maven-plugin</artifactId>                 <executions>                     <execution>                         <phase>none</phase>                     </execution>                 </executions>             </plugin>         </plugins> </build>