Fat jar with IntelliJ, IntelliJ inspection gives “Cannot resolve symbol” but still compiles code, Can't execute jar- file: “no main manifest attribute”. Apparently, IntelliJ does not read the manifest file that is located in the src/main/java folder! Use the intellij idea run/debug configuration with the 'application' or the 'run jar application' The result is the same: no main manifest attribute, in myGeneratedJarFilename.jar. Why are Stratolaunch's engines so far forward? (8) I have created a JAR file in this way jar cf jar-file input-files. Thanks Working Solution: As suggested in the ticket, we moved the META-INF folder to src/main/resources and rebuild the artifact. Limitations of Monte Carlo simulations in finance, Can we have electric current in the vacuum. 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. TheMETA-INF/MANIFEST.MF contents is as follows: When the jar is generated, I see the META-INF/MANIFEST.MFat the root of the structure with the correct information. In other words, it … I don't care if it's Maven or IntelliJ doing the hard work, but since I have a lot of dependenies I assume it has to be Maven. To learn more, see our tips on writing great answers. What have I done wrong here? By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Asking for help, clarification, or responding to other answers. I am developing a small Java application using intellij idea. 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. However when I try to run the jar either by: no main manifest attribute, in myGeneratedJarFilename.jar. Add an auto_incremented value to an existing ID. The problem was that I was using the InteliJ Idea build process to build a fat jar, which is not supported in IntelliJ Idea. Can't execute jar- file: “no main manifest attribute” ... no main manifest attribute, in "app.jar" Normally, if I had created the program myself, I would have added a main class attribute to the manifest file. Why has it failed to load main-class manifest attribute from a JAR file? This site uses Akismet to reduce spam. See Packaging Programs in JAR Files to learn how to create an executable JAR.. Can this be by chance? If it’s not an executable JAR, then you’ll need to run the program with something like: no main manifest attribute, in path_to_jar/jar_file I check the MANIFEST.MF file in the jar file it indeed does not have Main-Class entry. I've read several sets of documentation regarding Jars, executable Jars and the Java classpath but I can't find an error. The above solution works also for the following error `Error: Invalid or corrupt jarfile google_hack.jar`. Recently we tried to create a Jar file from IntelliJ IDEA 2017.3 using Maven. Why did mainframes have big conspicuous power-off buttons? When you run self-executable jar, java will look for the Main-Class in MANIFEST.MF file located under META-INF folder. That should have been java -jar app.jar instead of java -jar "app".. java - intellij - no main manifest attribute kotlin . After extracting the jar we observed that there was a manifest file but not the one that was specified while creating the artifact. rev 2020.11.24.38066, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide, Intellij Executable Jar - no main manifest attribute Vs Could not find or load main class, How to write an effective developer resume: Advice from a hiring manager, Podcast 290: This computer science degree is brought to you by Big Tech, “Question closed” notifications experiment results and graduation, MAINTENANCE WARNING: Possible downtime early morning Dec 2/4/9 UTC (8:30PM…, How to make jar file with all dependencies a.k.a. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. > mvn assembly:assembly. Is ground connection in home electrical system really necessary? Post was not sent - check your email addresses! What does “Could not find or load main class” mean? Any clarifications on that from a pro would be nice! After building the artifact, we got the error no main manifest attribute, in $FILE.jar while executing the jar file created by IntelliJ. I appreciate any help, thank you! This post is also available in: Greek. Can anyone offer any ideas as to what may be the problem? Under Project Settings on the left, select "Artifacts". 0. Using Maven by adding the section to pom.xml sucesfully creates working jar. Beamer: Reasons to avoid allowframebreaks, Latex: Start enumerate list with value zero (0) with no additional plugins. Thanks for contributing an answer to Stack Overflow! “…presume not God to scan” like a puzzle–need to be analysed. The project structure was made using the org.apache.maven quickstark archetype, In my working structure, the MANIFEST.MF is at. To get it working, I updated my pom file: Then I had to open the Maven window (View-> Tool Windows -> Maven) and use the Maven tasks clean then compile then package and the jars were created as expected. your coworkers to find and share information. Thanks to y.bedrov for the definitive answer when lead to me understanding why it wasn't working. I can see all the dependencies in the jar file too. Advertisement. I've tried using the invalidate caches and restart several times. End of dialog window. If it is not able to find an entry,then it will complain with Unable to execute jar- file: “no main manifest attribute”. However when I try to build a fat jar with all dependencies included in the same jar file, I get one of two errors depending on where the META-INF/MANIFEST.MF is positioned: no main manifest attribute and Could not find or load main class. java - intellij - no main manifest attribute что делать . site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. I can build a jar and deploy all the dependencies to the same directory and the jar works as expected (I do this with the copy to the output path and link via manifest option when configuring a jar build process). What is this part which is mounted on the wing of Embraer ERJ-145? * I am building a Kotlin + Java application using IntelliJ 2019.3.1 Community, on Windows 10 Pro, with Gradle. Expressive macro for tensors; raised and lowered indices, Click + -> Jar -> From modules with dependencies, I select the main class as the interface suggests, In the following window, on the left I see all the dependencies of the project. Creating Jar with Intellij IDEA 2017.3 – no main manifest attribute, in .jar, Creating Jar with Intellij IDEA 2017.3 – no main manifest attribute, in, JavaFX: Could not execute Jar build from artifact, while we could execute from IntelliJ IDEA, Latex/Beamer: Notes page would not use whole space when in 16:9 aspect ratio. After some serious google-fu, we got to the following bug ticket. In the left pane of the "Output Layout" tab find the jar file in the list and select it. Apparently, IntelliJ does not read the manifest file that is located in the src/main/java folder! The docs say that it is a relative path but relative to what I'm not sure. My projects structure looks like this - note that I have added two manifest lcoations I've tried and the error which comes with each: The way I configured the jar artifact is: After applying and oking, I generate the jar file to see, as I would expect, that inside there is both the META-INF/MANIFEST.MF and the myPackage/myClass in the jar root, along with a all the other dependencies. No main manifest attribute, in World.jar. Enter your email address to subscribe to this blog and receive notifications of new posts by email. Latex/Beamer: Do you type too many notes? Also in the root of the jar is the myPackage/myClass.class, corresponding with the manifest file. Why does Chrome need access to Bluetooth? I've read several sets of documentation regarding Jars, executable Jars and the Java classpath but I can't find an error. Making statements based on opinion; back them up with references or personal experience. Close Modal Dialog. Shouldn't some stars behave as black hole? ... Maven build no main manifest attribute. I did not use any of the IntelliJ project structure Artifacts actions to get the working fat jars. Find the JAR definition In the middle pane and select it. How to build an Uber JAR (Fat JAR) using SBT within IntelliJ IDEA? Hot Network Questions Cannot run jar file: Could not find or load main class Hello, “no main manifest attribute” error in intellij when executing jar. These aren't using Maven, even if you created a Maven project. If a piece of software does not specify whether it is licenced under GPL 3.0 "only" or "or-later", which variant does it "default to"? com.petersamokhin.Main Однако, не у одного меня IDEA выдаёт ошибку - Element archive is not allowed here, и в результате всё равно no main manifest attribute: Working Solution: As suggested in the ticket, we moved the META-INF folder to src/main/resources and rebuild the artifact. Почему ему не удалось загрузить атрибут манифеста основного класса из JAR-файла? In Monopoly, if your Community Chest card reads "Go back to ...." , do you move forward or backward? When you run self-executable jar, java will look for the Main-Class in MANIFEST.MF file located under META-INF folder. Failed to execute goal in apache maven IntelliJ Idea. Learn how your comment data is processed. Now, I'm trying to run it. Sorry, your blog cannot share posts by email. com.petersamokhin.Main Однако, не у одного меня IDEA выдаёт ошибку - Element archive is not allowed here, и в результате всё равно no main manifest attribute: At the bottom, click the "Use Existing Manifest" button and select the manifest file that is in your project source. At the bottom of the list, it says, Use the intellij idea run/debug configuration with the 'application' or the 'run jar application'. There is a package and a class. Stack Overflow for Teams is a private, secure spot for you and How did a pawn appear out of thin air in “P @ e2” after queen capture? In the problem we just discussed here, the manifest file was not having Main-Class property defined in it. java - intellij - no main manifest attribute spring boot Impossibile eseguire jar-file: "nessun attributo manifest principale" (20) Ho installato un'applicazione, quando provo … This property is responsible for indicating the Java class which main method (public static void main(String[] args)) needs to be executed. Given that the I could get a working jar file if all the dependencies are in the same directory as said jar file, I assumed that the issue was with the classpath.

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