WFLYSRV0099: 'myappname:main' cannot be loaded from a ServiceModuleLoader as its name does not start with 'deployment.' ----------------------------------------------------------------------------------------------------------------------- Key: WFLY-5368 URL: https://issues.redhat.com/browse/WFLY-5368 Project: WildFly Issue Type: Bug Components: Class Loading Affects Versions: 9.0.1.Final Environment: Windows 7 Ultimate JDK 1.7.0_55 (Oracle) Reporter: Jan Moravec Assignee: Stuart Douglas Priority: Critical Attachments: server.log Hello, I am moving our apps from JBoss 7 Community to WildFly 9.0.1 and hitting the following error during the deployment of our apps: WFLYSRV0099: 'quartzdesk-test-quartz-v2-2-x-logback:main' cannot be loaded from a ServiceModuleLoader as its name does not start with 'deployment.' I tried 2 different applications that all work without any problem on various popular application servers/containers, but with the same result. I tried to google this error, but did not find much information. Any idea what is going on? Many thanks.