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Affichage des articles associés au libellé no main manifest attribute

odules:ty:compileJavaWARNING

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modules:ty:compileJava WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by worker.org.gradle.internal.reflect.JavaMethod (file:/Users/---/.gradle/caches/3.0/workerMain/gradle-worker.jar) to method java.lang.ClassLoader.getPackages() WARNING: Please consider reporting this to the maintainers of worker.org.gradle.internal.reflect.JavaMethod WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release
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What's this error " no main manifest attribute, in " means ? netbeans

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When I try to run application jar using the command line on macOS, I get this error " no main manifest attribute, in ...." I try these solutions, but no one of them seems to work : You should have been used this  java -jar app.jar instead of this  java -jar "app" java - cp your . jar Mainclass. Export you Java Project as an  Runnable Jar file  rather than Jar. A manifest is a file in the path META-INF/MANIFEST.MF within the jar which defines attributes like the classpath and the main class for running the jar file.  had the same problem. Make sure your MANIFEST.MF is in: src / main / resources / META_INF / NOT src / main / java / META_INF / the only thing that works for me by using maven as follow: <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-jar-plugin</artifactId> <configuration> <version>3.0.2</...
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