Pour ne pas avoir de problème comme Manifest, vous devriez avoir un répertoire nommé "META-INF" dans le répertoire "src". But it is identical to the original in main/resource/MATA-INF has only two lines: Manifest-Version: 1.0 Main-Class: HelloWorld Attempt to run the JAR gives this error: In my case, it was because IntelliJ was extracting all my dependencies into the output jar (good), which ended up overwritting the /META-INF/MANIFEST.MF file with something from one of my dependencies (bad). 5. Add project dependency classpath. When you run the command mvn package to package project into a Jar, the following meta-inf/manifest.mf file will be generated and added into the final Jar file automatically. Directory for META-INF/MANIFEST.MF: The path … The JAR files are copied to the artifact output directory as is. Donc, créez-le et placez un fichier nommé "MANIFEST.MF" avec le contenu suivant: Manifest-Version: 1.0 Main-Class: .Main Ne pas oublier de remplacer le nom du paquet contenant la classe Main ci-dessus! File ... copy to the output directory and link via manifest. 老版本Intellij idea可以很方便地打带Manifest文件的jar包，也就是可行性的Jar包。今天使用新版的Intellij idea打jar包时遇到了坑，jar包中竟然没有MANIFEST文件。 2、新版的Intellij idea打带Manifest文件的jar包步骤 2.1 F4 → Project Structure→Artifacts→+→jar→From modules with dependency After Building Artefact the JAR includes another than before MANIFEST.MF. IntelliJ IDEA 2020.2 Help. Keymap: Create Jar from modules dialog. I did as suggested - moved META-INF directory from main/java to main/resources. プロジェクトテンプレートがMavenの場合、Intellij IDEAはMETA-INFフォルダーを誤って配置しているようです ... \ src \ main \ java \ META-INF \ MANIFEST.MF）を指しています — grudolf . Um kein Problem wie Manifest zu haben, sollten Sie ein Verzeichnis namens "META-INF" im Verzeichnis "src" haben. By tailoring this "meta" information that the manifest contains, you enable the JAR file to serve a variety of purposes. The manifest is a special file that can contain information about the files packaged in a JAR file. Also, erstellen Sie es und legen Sie eine Datei mit dem Namen "MANIFEST.MF" darin mit folgendem Inhalt: Manifest-Version: 1.0 Main-Class: .Main The manifest file is normally used to define following tasks : Define the entry point of the Application, make the Jar executable. This lesson will explain the contents of the manifest file and show you how to work with it, with examples for the basic features: Understanding the Default Manifest. The references to the JARs are added to the Class-Path header field of the MANIFEST.MF file that is packaged in the same JAR as the module output.