➜ run git:(master) ✗ l Permissions Size User Date Modified Name .rw-r--r-- 16k benjamin 14 Mar 11:58 log-timing-parser-1.0.0.jar ➜ run git:(master) ✗ l ../target Permissions Size User Date Modified Name drwxr-xr-x - benjamin 14 Mar 11:52 classes/ drwxr-xr-x - benjamin 14 Mar 11:52 generated-sources/ drwxr-xr-x - benjamin 14 Mar 11:52 libs/ drwxr-xr-x - benjamin 14 Mar 11:52 maven-archiver/ drwxr-xr-x - benjamin 14 Mar 11:52 maven-status/ .rw-r--r-- 16k benjamin 14 Mar 11:52 log-timing-parser-1.0.0.jar ➜ run git:(master) ✗ l ../target/libs Permissions Size User Date Modified Name .rw-r--r-- 750k benjamin 11 Mar 16:53 javafx-base-11.0.2-mac.jar .rw-r--r-- 302 benjamin 11 Mar 16:53 javafx-base-11.0.2.jar .rw-r--r-- 2.5M benjamin 11 Mar 16:53 javafx-controls-11.0.2-mac.jar .rw-r--r-- 306 benjamin 11 Mar 16:53 javafx-controls-11.0.2.jar .rw-r--r-- 4.8M benjamin 11 Mar 16:53 javafx-graphics-11.0.2-mac.jar .rw-r--r-- 306 benjamin 11 Mar 16:53 javafx-graphics-11.0.2.jar .rw-r--r-- 69k benjamin 15 Dec 2017 jcommander-1.72.jar .rw-r--r-- 290k benjamin 5 Jan 2018 logback-classic-1.2.3.jar .rw-r--r-- 471k benjamin 5 Jan 2018 logback-core-1.2.3.jar .rw-r--r-- 1.7M benjamin 21 Feb 11:41 lombok-1.18.6.jar .rw-r--r-- 1.7M benjamin 14 Mar 11:47 mapstruct-processor-1.3.0.Final.jar .rw-r--r-- 41k benjamin 14 Mar 10:44 slf4j-api-1.7.26.jar ➜ run git:(master) ✗ java -p ../target/libs/:./ be.yelido.logtimingparser.Main Error: Could not find or load main class be.yelido.logtimingparser.Main Caused by: java.lang.ClassNotFoundException: be.yelido.logtimingparser.Main ➜ run git:(master) ✗ java -p ../target/libs/:../target be.yelido.logtimingparser.Main Error occurred during initialization of boot layer java.lang.module.FindException: Two versions of module be.yelido.logtimingparser found in ../target (classes and log-timing-parser-1.0.0.jar)