idea将springboot打包成jar或者war

时间：2023-03-10 05:24:10
idea将springboot打包成jar或者war

1、首先在pom.xml中添加下面配置

    <groupId>com.melo</groupId>

    <artifactId>focus</artifactId>

    <version>0.0.1-SNAPSHOT</version>

    <!--打包成jar包，如果要打包成war包，修改成war-->

    <packaging>jar</packaging>
<build>

        <plugins>

            <plugin>

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

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

            </plugin>

        </plugins>

    <!--打包的文件名，在这里配置-->

        <finalName>focusDemo</finalName>

</build>

2、打包操作

idea将springboot打包成jar或者war

这样就打包成功了，打包的路径在D:\springboot-shiro-demo1\focus-master\focus\target\focusDemo.jar

Tests run: 1, Failures: 0, Errors: 0, Skipped: 0

[INFO]

[INFO] --- maven-jar-plugin:2.6:jar (default-jar) @ focus ---

[INFO] Building jar: D:\springboot-shiro-demo1\focus-master\focus\target\focusDemo.jar

[INFO]

[INFO] --- spring-boot-maven-plugin:1.5.9.RELEASE:repackage (default) @ focus ---

[INFO]

[INFO] --- maven-install-plugin:2.5.2:install (default-install) @ focus ---

[INFO] Installing D:\springboot-shiro-demo1\focus-master\focus\target\focusDemo.jar to C:\Users\yangwj\.m2\repository\com\melo\focus\0.0.1-SNAPSHOT\focus-0.0.1-SNAPSHOT.jar

[INFO] Installing D:\springboot-shiro-demo1\focus-master\focus\pom.xml to C:\Users\yangwj\.m2\repository\com\melo\focus\0.0.1-SNAPSHOT\focus-0.0.1-SNAPSHOT.pom

[INFO] ------------------------------------------------------------------------

[INFO] BUILD SUCCESS

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 15.548 s

[INFO] Finished at: 2018-12-11T11:04:18+08:00

[INFO] Final Memory: 27M/306M

[INFO] ------------------------------------------------------------------------

3、测试运行，点击idea的terminal，进入包目录D:\springboot-shiro-demo1\focus-master\focus\target，运行下面命令

java -jar focus.jar

这样就可以在本机访问了。

注意：如果部署在服务器上，jdk版本一定要一直，不然会报错哦，例如：

ubuntu@VM-0-14-ubuntu:~$ java -jar focus.jar

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/melo/focus/FocusApplication : Unsupported major.minor version 52.0

    at java.lang.ClassLoader.defineClass1(Native Method)

    at java.lang.ClassLoader.defineClass(ClassLoader.java:803)

    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

    at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)

    at java.net.URLClassLoader.access$100(URLClassLoader.java:71)

    at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

    at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:425)

    at org.springframework.boot.loader.LaunchedURLClassLoader.loadClass(LaunchedURLClassLoader.java:94)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:358)

    at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:46)

    at org.springframework.boot.loader.Launcher.launch(Launcher.java:87)

    at org.springframework.boot.loader.Launcher.launch(Launcher.java:50)

    at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:51)

该错误就是jdk是1.7的版本，而开发机是jdk1.8版本，所以需要在服务器上安装jdk1.8才有效。

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补充一个：使用外部配置文件启动springboot项目

java -jar focus.jar --Dspring.config.location=application.yml  #application.xml为文件名

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