no main manifest attribute gradle

This class is the one with the main method. Gradle- kein Hauptmanifestattribut (2) Ich werde verrückt nach diesem Fehler, den ich bekomme, wenn ich eine JAR-Datei aus Gradle starte. Now you’ve changed your Java class so it’s now in the default package, instead of “Code.gradletest”, but all of the other references expect it to be in “Code.gradletest”. This is something that “gradle run” does take care of for you. Gradle- no main manifest attribute 2015-09-14 14:18:11 6; No main manifest attribute after creating jar, Cmd Windows 2016-07-28 12:57:24 0; No main manifest attribute (Heroku deployment) 2016-11-03 11:50:02 0; no main manifest attribute, in application.jar What am I missing? This class is the one with the main method. 오류는 "no main manifest attribute, in RxJavaDemo.jar"로 표시됩니다. In order to run the main method from our jar, we need to mention it inside the ‘Main-Class’ property of the manifest file (mainClass attribute in POM.xml in case of Mavenized application) which needs to be bundled with the code as well. I am a noob. Thank you for your effort. Then ran java -jar command to get the same results. Du kannst also einfach rennen Some lines in directory list removed for clarity purposes. DOS is case-insensitive, but Java is not. I think you should use the “application” plugin, which provides a “mainClassName” project property. Manifest 속성을 조작하려고했지만 종속성이나 무언가를 추가하는 것을 잊은 것 같습니다. apply plugin: ‘java’ apply plugin: ‘application’, mainClassName = ‘Code.gradletest.HelloWorld’, and is located at: C:\Code\gradletest\src\main\java\Code\gradletest, The full directory structure (with the META-INF removed) C:\Code>cd gradletest, Total time: 3.597 secs C:\Code\gradletest>gradle build :compileJava :processResources UP-TO-DATE :classes :jar :assemble :compileTestJava UP-TO-DATE :processTestResources UP-TO-DATE :testClasses UP-TO-DATE :test UP-TO-DATE :check UP-TO-DATE :build, Total time: 4.703 secs C:\Code\gradletest>, Directory of C:\Code\gradletest.gradle\2.1, Directory of C:\Code\gradletest.gradle\2.1\taskArtifacts, 31 cache.properties 09/10/2014 12:06 PM, 17 cache.properties.lock 09/10/2014 12:06 PM, 18,790 fileHashes.bin 09/10/2014 12:06 PM, 19,282 fileSnapshots.bin 09/10/2014 12:06 PM, 18,602 outputFileStates.bin 09/10/2014 12:06 PM, Directory of C:\Code\gradletest\build\classes, Directory of C:\Code\gradletest\build\classes\main, Directory of C:\Code\gradletest\build\dependency-cache, Directory of C:\Code\gradletest\build\tmp, Directory of C:\Code\gradletest\build\tmp\compileJava, Directory of C:\Code\gradletest\build\tmp\jar. When you run self-executable jar, java will look for the Main-Class in MANIFEST.MF file located under META-INF folder. I viewed the contents ( jar tf ) however I did not notice this. Powered by Discourse, best viewed with JavaScript enabled. Gradle has changed a bit. I still get the error. The JAR is not executed, of course, since we haven’t defined the main entry class in in manifest. Bob_Paris (robert.paris) March 30, 2015, 12:53am #1. C:\Code\gradletest\build\libs>java -jar helloworld-0.1.jar, no main manifest attribute, in helloworld-0.1.jar. java - with - kotlin no main manifest attribute . Gradle doesn’t use it. Thanks, Directory of C:\Code\gradletest\src\main\java, Directory of C:\Code\gradletest\src\main\java\code, Directory of C:\Code\gradletest\src\main\java\code\gradletest. Einschließlich Java-Bibliothek, die mit Gradle erstellt wurde ... Das "maven-publish" -Plugin von Gradle vereinfacht die Veröffentlichung im lokalen Repository und erstellt automatisch eine PublishToMavenLocal-Aufgabe. You appear to have “HelloWorld.java” in the root of your project. I still get: no main manifest attribute, in helloworld-0.1.jar. C:\Code\gradletest\build\libs>jar tf helloworld-0.1.jar META-INF/ META-INF/MANIFEST.MF Code/ Code/gradletest/ Code/gradletest/HelloWorld.class, C:\Code\gradletest\build\libs>jar xf helloworld-0.1.jar shows that the MANIFEST.MF file has only 2 lines (1 blank line) Manifest-Version: 1.0. The error reads "no main manifest attribute, in RxJavaDemo.jar" I tried manipulating the Manifest property but I think I'm forgetting to add the dependencies or something to it. So I have updated the MANIFEST.MF in the jar with the MANIFEST.MF in the \build\libs directory. no main manifest attribute spring maven (2) ... Je suis un peu fou avec cette erreur que je reçois lors de l’exécution d’un fichier JAR créé à partir de Gradle. New to java, kotlin, gradle, gradle DSL I stumbled upon your post trying to solve my own environment issues. What exactly am I doing wrong? Gradle appears to be installed properly. I realize it must be frustrating dealing with a problem like this. Add back the following statement to the top of your class: And when you’re asked to provide additional information, there’s not much point in creating separate responses for each piece of information. Possible to create JAR artifact by defining Manifest in Gradle? Your package is “Code.gradletest”, but you’ve stored the source file in “code/gradletest”. Then I tried to run the jar and I consistently get the “error message”. This MANIFEST.MF file that you’ve created is irrelevant. It appears that adding “mainClassName” has no effect on the manifest. apply plugin: ‘java’ apply plugin: ‘application’ //apply plugin: ‘eclipse’. It looks to me like you need to learn some basic principles of Java. I would imagine there are ways to amend the manifest with “classpath” properties that add your dependencies. The Java plugin expects Java code in “src/main/java”, and the classes should match the package structure (Code/gradletest/HelloWorld.java). I'm kind of going crazy with this error I get when running a JAR file built off Gradle. Problem: no main manifest attribute, in "APPLICATION_NAME.jar" Often, a suggested solution is to add or edit a jar { } section in the build.gradle file. gradle clean followed by gradle build results in: Total time: 3.584 secs C:\Code\gradletest>gradle build :compileJava UP-TO-DATE :processResources UP-TO-DATE :classes UP-TO-DATE :jar :assemble :compileTestJava UP-TO-DATE :processTestResources UP-TO-DATE :testClasses UP-TO-DATE :test UP-TO-DATE :check UP-TO-DATE :build, Total time: 3.869 secs C:\Code\gradletest>, AND the MANIFEST.MF file reads as: Manifest-Version: 1.0 Created-By: 1.8.0-b132 (Oracle Corporation) Main-Class: Code.gradletest.HelloWorld, STILL unable to RUN the application. $ java -jar build/libs/gradle-java.jar no main manifest attribute, in build/libs/gradle-java.jar. Der Fehler lautet "no main manifest attribute, in RxJavaDemo.jar". Hence, admittedly, wasn’t able to research how to set the main class correctly; pardon. Read the user guide section on this plugin for more information. The META-INF has been removed. It won’t matter for this simple test case, but what you will NOT get with the “java -jar” approach is any additional jars in the classpath needed by a more complex main class. I have tried to run it with gradle run and with the jar command. Why don’t you show us your current build script, full text of your Java class, full directory structure, and full directory structure of the resulting jar? danfouts ... "no main manifest attribute" and others. However, I have been through the documentation and Gradle produces a jar file, I cannot run the jar file. $ java -jar build/libs/gradle-java.jar no main manifest attribute, in build/libs/gradle-java.jar. Your example build.gradle.kts helped me a lot. no main manifest attribute, in C:\Users\lb53616\Documents\cyient\watermarkImagesWorkspace\gradle\wrapper\gradle-wrapper.jar Process finished with exit code 1 commented Aug 26, 2019 by anonymous no main manifest attribute spring maven (2) ... Je suis un peu fou avec cette erreur que je reçois lors de l’exécution d’un fichier JAR créé à partir de Gradle. To get latest had to find SDKMAN! Trying to get a BASIC test that Gradle works properly in my environment. However, I have been through the documentation and Gradle produces a jar file, I cannot run the jar file. Gradle에서 빌드 된 JAR 파일을 실행할 때 발생하는이 오류로 인해 미쳐 가고 있습니다. Did you ever inspect the actual contents of the jar file to see what’s in it? Follow. Used the jar uf to update the jar. Learning is what I am trying to do. I looked at your zip, and your main.kt source. 847 gradle-app.setting 09/09/2014 08:22 AM, 126 HelloWorld.java 09/09/2014 09:19 AM, apply plugin: ‘java’ //apply plugin: ‘eclipse’, mavenCentral() } // end::repositories[], compile “joda-time:joda-time:2.2” } // end::dependencies[], // tag::wrapper[] task wrapper(type: Wrapper) {, gradleVersion = ‘2.1’ } // end::wrapper[], Manifest-Version: 1.0 Created-By: 1.8.0-b132 (Oracle Corporation) Main-Class: Code.gradletest.HelloWorld, C:\Code\gradletest>gradle build :compileJava UP-TO-DATE :processResources UP-TO-DATE :classes UP-TO-DATE :jar :assemble :compileTestJava UP-TO-DATE :processTestResources UP-TO-DATE :testClasses UP-TO-DATE :test UP-TO-DATE :check UP-TO-DATE :build, Directory of C:\Code\gradletest\build\libs. C:\Code\gradletest\build\libs>java -jar helloworld-0.1.jar no main manifest attribute, in helloworld-0.1.jar. 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. L'erreur indique "pas d'attribut manifeste principal, dans RxJavaDemo.jar". If it’s not an executable JAR, then you’ll need to run the program with something like: Answered. 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. That should have been java -jar app.jar instead of java -jar "app".. Gradle- no main manifest attribute 2015-09-14 14:18:11 6; No main manifest attribute after creating jar, Cmd Windows 2016-07-28 12:57:24 0; No main manifest attribute (Heroku deployment) 2016-11-03 11:50:02 0; no main manifest attribute, in application.jar L'erreur indique "pas d'attribut manifeste principal, dans RxJavaDemo.jar". See Packaging Programs in JAR Files to learn how to create an executable JAR.. Some lines in directory list removed for clarity purposes. I will keep you posted. A jar file is produced. Trying to get a BASIC test that Gradle works properly in my environment. In order to run the main method from our jar, we need to mention it inside the ‘Main-Class’ property of the manifest file (mainClass attribute in POM.xml in case of Mavenized application) which needs to be bundled with the code as well. 郑重声明:本站内容来源于网络,为尊重原创,本站尽力寻找并添加资料原文链接。如有侵权,请及时联系邮箱给我发信删除!, "No Main Manifest Attribute" in ----.jar Netbeans, No main manifest attribute, in gdx-setup.jar, "no main manifest attribute" when trying to execute fat jar, no main manifest attribute error for maven project, no main manifest attribute error after add volley.jar library, scala sbt assembly "no main manifest attribute", Java/Swing/Maven: no main manifest attribute, No main manifest attribute after creating jar, Cmd Windows, No main manifest attribute (Heroku deployment), no main manifest attribute, in application.jar, No main manifest attribute error when running jar, Can't execute jar- file: "no main manifest attribute". HelloWorld.java now reads: ( Located at C:\Code\gradletest\src\main\java\Code\gradletest ), Total time: 4.77 secs C:\Code\gradletest>. This information was missing in the MANIFEST.MF.Below the content of this file before adding the maven-jar-plugin : Try to change your manifest attributes like: And then just change 'hello.helloWorld' to your class, which has a main method. In this case, you make in your manifest an attribute, which point to this class, then a jar is running. The package the class is defined to be in has to match the folder structure the source file resides in. Gradle 2.1: no main manifest attribute. Wasn’t that clear from my earlier comments? I am guessing you need package mainkt as line 1 in your main.kt source file. If you also want the manifest change, then you’ll have to add something like the following to your build.gradle: With this, both “gradle run” and your “java -jar …” approach will execute the main class. What do you mean by “I’ve written the Java code”? Directory now looks like: C:\Code\gradletest>dir /s, Directory of C:\Code\gradletest\src\main\java\Code, Directory of C:\Code\gradletest\src\main\java\Code\gradletest, C:\Code\gradletest>gradle clean :clean UP-TO-DATE, Total time: 3.599 secs C:\Code\gradletest>gradle build :compileJava :processResources UP-TO-DATE :classes :jar :assemble :compileTestJava UP-TO-DATE :processTestResources UP-TO-DATE :testClasses UP-TO-DATE :test UP-TO-DATE :check UP-TO-DATE :build. As I understand 'Main-Class' attribute of MANIFEST.MF should be set by "application" plugin application { mainClassName = appMainClassName } ... // This task must be added to the build.gradle.kts file Since your are running an executable jar file, Java will look for the manifest MANIFEST.MF located under META-INF/ which contains information about the files packaged.. Java must know the main class to run. Let me try that. OK deleted the whole directory structure and started again. Interesting. The JAR is not executed, of course, since we haven’t defined the main entry class in in manifest. Problem: no main manifest attribute, in "APPLICATION_NAME.jar" Old Forum. and then spent a bit of time figuring out how to use gradle init to create the wrapper so that it plays nicely with Netbeans. Take time to understand ! However, if you do “gradle run” at this point, it should execute the main class. I’ve put a MANIFEST.MF file in the META-INF directory.

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