spring_boot打jar包及打包错误的解决方法

问题产生及解决

对于刚接手spring_boot的人，可能会感觉到很茫然无措，看到书上写的spring_boot是直接打包成jar包，使用java -jar *运行。然而却不知道该怎么打包。而创建spring_boot以后在pom文件中会安装spring_boot打包插件，此时我们会看到如下几个选项：

pom文件内容如下：

<?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.penglei</groupId>

    <artifactId>springboot_1</artifactId>

    <version>0.0.1-SNAPSHOT</version>

    <packaging>jar</packaging>

    <name>spring_boot_practice_1</name>

    <description>Demo project for Spring Boot</description>

    <parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>1.4.3.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>

    <dependencies>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-web</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-test</artifactId>

            <scope>test</scope>

        </dependency>

    </dependencies>

    <build>

        <plugins>

            <plugin>

                <groupId>org.springframework.boot</groupId>

                <artifactId>spring-boot-maven-plugin</artifactId>

            </plugin>

        </plugins>

    </build>

    <repositories>

        <repository>

            <id>spring-snapshots</id>

            <url>http://repo.spring.io/snapshot</url>

            <snapshots>

                <enabled>true</enabled>

            </snapshots>

        </repository>

        <repository>

            <id>spring-milestones</id>

            <url>http://repo.spring.io/milestone</url>

        </repository>

    </repositories>

    <pluginRepositories>

        <pluginRepository>

            <id>spring-snapshots</id>

            <url>http://repo.spring.io/snapshot</url>

        </pluginRepository>

        <pluginRepository>

            <id>spring-milestones</id>

            <url>http://repo.spring.io/milestone</url>

        </pluginRepository>

    </pluginRepositories>

</project>

在idea的右侧我们会看如下选项

spring_boot打jar包及打包错误的解决方法

如果此时我们直接点击repackage,则打包时会出现如下错误：

[ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.4.3.RELEASE:repackage (default-cli) on project springboot_1: Execution default-cli of goal org.springframework.boot:spring-boot-maven-plugin:1.4.3.RELEASE:repackage failed: Source must refer to an existing file -> [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

正确的打包方法是：

直接使用maven的package命令，即可完成打包，若有新的内容添加，可以使用spring-boot-maven-plugin的repackage命令.详细步骤如下图：

spring_boot打jar包及打包错误的解决方法

结语

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spring_boot打jar包及打包错误的解决方法

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