jar tf quark.jar | grep -E 'Main.*\.class|Application\.class' Means dependencies are missing. Inspect the JAR’s dependencies:

dependencies implementation files('libs/quark.jar')

Problem 1: No main manifest attribute Fix: Specify main class explicitly:

<dependency> <groupId>com.yourcompany</groupId> <artifactId>quark</artifactId> <version>1.0</version> <scope>system</scope> <systemPath>$project.basedir/libs/quark.jar</systemPath> </dependency>

java -cp quark.jar com.example.MainClass Find the main class by examining the JAR:

Quark.jar [better] Page

jar tf quark.jar | grep -E 'Main.*\.class|Application\.class' Means dependencies are missing. Inspect the JAR’s dependencies:

dependencies implementation files('libs/quark.jar') quark.jar

Problem 1: No main manifest attribute Fix: Specify main class explicitly: jar tf quark

<dependency> <groupId>com.yourcompany</groupId> <artifactId>quark</artifactId> <version>1.0</version> <scope>system</scope> <systemPath>$project.basedir/libs/quark.jar</systemPath> </dependency> quark.jar

java -cp quark.jar com.example.MainClass Find the main class by examining the JAR:

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