Springboot | Failed to execute goal org.springframework.boot:spring-boot-maven-plugin

ゞ浴缸里的玫瑰 2022-09-25 13:21 200阅读 0赞

# 案例 #

今天搭建spring boot 环境时，使用mvn install ，出现Failed to execute goal org.springframework.boot:spring-boot-maven-plugin异常，经过多次构建都无效，配置和异常信息如下：

<?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
      <modelVersion>4.0.0</modelVersion>
      <groupId>com.evanshare</groupId>
      <artifactId>springBootDemo</artifactId>
      <packaging>war</packaging>
      <version>1.0-SNAPSHOT</version>
      
      <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.4.0.RELEASE</version>
      </parent>
    
      
      <dependencies>
        <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
      </dependencies>
    
      
      <build>
        <plugins>
          <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
          </plugin>
        </plugins>
      </build>
    
    </project>

异常信息：

"D:\Program Files\Java\jdk1.8.0_66\bin\java" -Dmaven.multiModuleProjectDirectory=D:\Repository\Git\Eshare_practices\SpringBootDemo -DarchetypeCatalog=internal -Dmaven.home=D:\Maven\apache-maven-3.3.3-bin\apache-maven-3.3.3 -Dclassworlds.conf=D:\Maven\apache-maven-3.3.3-bin\apache-maven-3.3.3\bin\m2.conf -Didea.launcher.port=7535 "-Didea.launcher.bin.path=D:\Program Files (x86)\JetBrains\IntelliJ IDEA 2016.1.3\bin" -Dfile.encoding=UTF-8 -classpath "D:\Maven\apache-maven-3.3.3-bin\apache-maven-3.3.3\boot\plexus-classworlds-2.5.2.jar;D:\Program Files (x86)\JetBrains\IntelliJ IDEA 2016.1.3\lib\idea_rt.jar" com.intellij.rt.execution.application.AppMain org.codehaus.classworlds.Launcher -Didea.version=2016.1.3 -s D:\Maven\apache-maven-3.3.3-bin\apache-maven-3.3.3\conf\settings.xml -Dmaven.repo.local=D:\Users\10856214\.m2\repository install
    [WARNING] 
    [WARNING] Some problems were encountered while building the effective settings
    [WARNING] Unrecognised tag: 'repository' (position: START_TAG seen ...<profile>\n\t<repository>... @281:14)  @ D:\Maven\apache-maven-3.3.3-bin\apache-maven-3.3.3\conf\settings.xml, line 281, column 14
    [WARNING] Unrecognised tag: 'repository' (position: START_TAG seen ...<profile>\n\t<repository>... @281:14)  @ D:\Maven\apache-maven-3.3.3-bin\apache-maven-3.3.3\conf\settings.xml, line 281, column 14
    [WARNING] 
    [INFO] Scanning for projects...
    [INFO]                                                                         
    [INFO] ------------------------------------------------------------------------
    [INFO] Building springBootDemo 1.0-SNAPSHOT
    [INFO] ------------------------------------------------------------------------
    [INFO] 
    [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ springBootDemo ---
    [INFO] Using 'UTF-8' encoding to copy filtered resources.
    [INFO] Copying 0 resource
    [INFO] Copying 0 resource
    [INFO] 
    [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ springBootDemo ---
    [INFO] No sources to compile
    [INFO] 
    [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ springBootDemo ---
    [INFO] Using 'UTF-8' encoding to copy filtered resources.
    [INFO] skip non existing resourceDirectory D:\Repository\Git\Eshare_practices\SpringBootDemo\src\test\resources
    [INFO] 
    [INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ springBootDemo ---
    [INFO] No sources to compile
    [INFO] 
    [INFO] --- maven-surefire-plugin:2.18.1:test (default-test) @ springBootDemo ---
    [INFO] No tests to run.
    [INFO] 
    [INFO] --- maven-war-plugin:2.6:war (default-war) @ springBootDemo ---
    [INFO] Packaging webapp
    [INFO] Assembling webapp [springBootDemo] in [D:\Repository\Git\Eshare_practices\SpringBootDemo\target\springBootDemo-1.0-SNAPSHOT]
    [INFO] Processing war project
    [INFO] Copying webapp resources [D:\Repository\Git\Eshare_practices\SpringBootDemo\src\main\webapp]
    [INFO] Webapp assembled in [133 msecs]
    [INFO] Building war: D:\Repository\Git\Eshare_practices\SpringBootDemo\target\springBootDemo-1.0-SNAPSHOT.war
    [INFO] 
    [INFO] --- spring-boot-maven-plugin:1.4.0.RELEASE:repackage (default) @ springBootDemo ---
    [INFO] ------------------------------------------------------------------------
    [INFO] BUILD FAILURE
    [INFO] ------------------------------------------------------------------------
    [INFO] Total time: 2.576 s
    [INFO] Finished at: 2016-09-10T23:08:14+08:00
    [INFO] Final Memory: 20M/315M
    [INFO] ------------------------------------------------------------------------
    [ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.4.0.RELEASE:repackage (default) on project springBootDemo: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:1.4.0.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 #

注意这句异常信息：

Unable to find main class -> [Help 1]

经过排查，原来是因为我在idea构建maven web项目时，没有加入java文件夹和spring boot的入口配置类

1.在main目录下创建一个java目录，然后创建一个入口类

![20160911003736587][]

2.点击Mvn clean 和Mvn install，此时可以在控制台看到构建成功的信息

![20160911003926259][]

![20160911004040091][]

[20160911003736587]: /images/20220717/646b18c24cbc4e5caf734a68139082ec.png
[20160911003926259]: /images/20220717/3db0429b18104dd48e62953b43f76e17.png
[20160911004040091]: /images/20220717/7d816f7bf34d46b494438705ad4b575e.png