jaxrs-jwt: The parameters 'mainClass' are missing or invalid ------------------------------------------------------------- Key: WFLY-13620 URL: https://issues.redhat.com/browse/WFLY-13620 Project: WildFly Issue Type: Bug Components: Quickstarts Affects Versions: 20.0.0.Final Reporter: Wolfgang Mayer Assignee: Ranabir Chakraborty Priority: Minor mvn exec:java fails [INFO] Reactor Summary for Quickstart: jaxrs-jwt 20.0.0.Final: [INFO] [INFO] Quickstart: jaxrs-jwt .............................. FAILURE [ 0.361 s] [INFO] Quickstart: jaxrs-jwt - client ..................... SKIPPED [INFO] Quickstart: jaxrs-jwt - service .................... SKIPPED [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.056 s [INFO] Finished at: 2020-06-27T13:39:17+02:00 [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.6.0:java (default-cli) on project jaxrs-jwt: The parameters 'mainClass' for goal org.codehaus.mojo:exec-maven-plugin:1.6.0:java are missing or invalid -> [Help 1] [ERROR] mvn -v Apache Maven 3.6.3 Maven home: /usr/share/maven Java version: 14.0.1, vendor: Private Build, runtime: /usr/lib/jvm/java-14-openjdk-amd64 Default locale: de_DE, platform encoding: UTF-8 OS name: "linux", version: "5.4.0-39-generic", arch: "amd64", family: "unix" Executing the clent directly via: $JAVA_HOME/bin/java -classpath $CLASSPATH org.jboss.quickstarts.jaxrsjwt.client.JwtRestClient Euns successfully indeed. So this seems to be an issue with the pom.xml