I unzipped the jar file and looked at the manifest file and it looks ok. Latex/Beamer: Do you type too many notes? The -jar option only works if the JAR file is an executable JAR file, which means it must have a manifest file with a Main-Class attribute in it. SmashSpotify is the main class. I instructed the configuration to build a jar artifact when I … The jar file is empty (has no .class files at all). I'm playing with Java, and struggling with the IDE.I have nothing more than a simple HelloWorld Maven app. I basically have the exact same problem described here: https://intellij-support.jetbrains.com/hc/en-us/community/posts/360002817359-I-m-selecting-the-correct-class-with-Main-but-Jar-will-not-execute. The jar file is empty (has no .class files at all). 2009/07/04 ripper234. I've setup my project, and I'm now trying to create the JAR file. If I was programming in any other language, I'd say, hey well IntelliJ isn't going to be perfect for Scala, or Dart, or whatever. Especially if the language had a dedicated IDEA IDE (PyCharm, RubyMine, etc) But compiling Kotlin? If it is not able to find an entry,then it will complain with Unable to execute jar- file: “no main manifest attribute”.. MANIFEST.MF contains information about files contained in the Jar file. ; The Gradle Wrapper files, and in particular the gradle-wrapper.properties file, which specifies the version of the Gradle to be used to build the plugin. -jar deauticon maventornadofx.jar The -jar option only works if the JAR file is an executable JAR file, which means it must have a manifest file with a Main-Class attribute in it. 423 . After extracting the jar we observed that there was a manifest file but not the one that was specified while creating the artifact. After unzipping the Jar File, there are two files which are not in my "main" folder. I can no longer get Intelli 2018.3.4 to build a jar file. Go to :desktop->other and run dist.A .jar file will be placed in [PROJECT FOLDER]\desktop\build\libs See below for adding directories ot the JAR. I have also searched my project for other signed jar files. ; The Gradle Wrapper files, and in particular the gradle-wrapper.properties file, which specifies the version of the Gradle to be used to build the plugin. ... build and run the Jar file. To create executable JAR we need to create new artifact and build it. Learn how your comment data is processed. Rebuild. The -jar option only works if the JAR file is an executable JAR file, which means it must have a manifest file with a Main-Class attribute in it. The original classpath is defined in the manifest file as a class-path attribute in classpath.jar . For example, if you select Build Project then IntelliJ IDEA will build the whole project before the run. Thank you!! Build the whole artifact as if for the first time. Make sure your libGDX project is up to date, and open the Gradle tab. After unzipping the Jar File, there are two files which are not in my "main" folder. I instructed the configuration to build a jar artifact when I run it. Clean. I have already gone through the four proposed solutions in the link I have posted above. Create an executable JAR from IntelliJ CE. Working Solution: As suggested in the ticket, we moved the META-INF folder to src/main/resources and rebuild the artifact. This is a short tutorial on creating a jar file artifact in in Intellij idea Ide. I think the maven-jar-plugin is ignored. The default IntelliJ Platform build.gradle file (see next paragraph). If you configured an auto-build, then IntelliJ IDEA uses the Problems tool widow for messages. When building with Eclipse (STS 3.6.2.RELEASE / Luna 4.4.1) the eclipse Maven build puts no manifest (and no META-INF at all) into the jars that get published. Post was not sent - check your email addresses! After building the artifact, we got the error no main manifest attribute, in $FILE.jar while executing the jar file created by IntelliJ. - 'jar, link via manifest and copy' - create separate jar from the module output directory, copy the jar outside main.jar file according to specified relative path, modify Class-Path attribute in 'main.jar' Answered. Video on how to create/build a jar file with IntelliJ IDEA. An executable JAR means JAR file must contain a manifest file with a Main-Class property in it. ... (“copy to the output directory and link via manifest“). In eclipse the same. Solution. The version of java used in the article was 1.8. jar cmf manifest-file jar-file input-files The input-files must include any class files, images, sounds, etc. See https://stackoverflow.com/a/42200519/104891 for the sample project. Now when I use IntelliJ's Build | Build Project, the program compiles AND Gradle creates the JAR file. In eclipse the same. But the jar cannot execute it:-----C:\Users\Lap127\IdeaProjects\deauticonmaventornadofx\out\artifacts\deauticonmaventornadofx_jar>java -cp . You will be able to preview the full command line if it was shortened using this method, not just the classpath of the temporary classpath.jar .