[英]Could not find or load main class, when running spring boot Application
我将应用程序作为Java应用程序运行时遇到问题。 我尝试了各种解决方案,但没有成功。 我仍然收到以下消息:
找不到或加载主类com.alliacom.audit.AuditApplication
这是pom.xml文件
<?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.alliacom</groupId>
<artifactId>audit</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>audit</name>
<description>Alliacom auditing tool</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.0.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<repositories>
<repository>
<id>lightadmin-nexus-releases</id>
<url>http://lightadmin.org/nexus/content/repositories/releases</url>
<releases>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
</releases>
</repository>
</repositories>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.15</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<mainClass>com.alliacom.audit.AuditApplication</mainClass>
</configuration>
</plugin>
</plugins>
</build>
</project>
这是我的主要应用程序AuditApplication.java
package com.alliacom.audit;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
@SpringBootApplication
@EnableJpaAuditing
public class AuditApplication extends SpringBootServletInitializer {
public static void main(String[] args) {
SpringApplication.run(AuditApplication.class, args);
}
}
该项目看起来不错,在构建过程中没有错误,但是我看不出问题的原因。
最快的解决方案,因为您的pom非常小:
转到Spring Initializer : https : //start.spring.io/
生成一个新的Maven / Java / SpringBoot 2.0项目。
运行它并检查系统是否正常
开始一次添加一个自定义项,然后在每次修改后尝试。
几分钟后,您将找到罪魁祸首。
尝试从pom文件中删除以下内容(不需要):
<configuration>
<mainClass>com.alliacom.audit.AuditApplication</mainClass>
</configuration>
您需要使用这样的插件
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>2.0.1.RELEASE</version>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
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