{"action":"created","issue":{"url":"https://api.github.com/repos/ondrej-kvasnovsky/grails-vaadin-plugin/issues/52","labels_url":"https://api.github.com/repos/ondrej-kvasnovsky/grails-vaadin-plugin/issues/52/labels{/name}","comments_url":"https://api.github.com/repos/ondrej-kvasnovsky/grails-vaadin-plugin/issues/52/comments","events_url":"https://api.github.com/repos/ondrej-kvasnovsky/grails-vaadin-plugin/issues/52/events","html_url":"https://github.com/ondrej-kvasnovsky/grails-vaadin-plugin/issues/52","id":64004949,"number":52,"title":"Changing Vaadin class causes error","user":{"login":"philippneugebauer","id":1623885,"avatar_url":"https://avatars.githubusercontent.com/u/1623885?v=3","gravatar_id":"","url":"https://api.github.com/users/philippneugebauer","html_url":"https://github.com/philippneugebauer","followers_url":"https://api.github.com/users/philippneugebauer/followers","following_url":"https://api.github.com/users/philippneugebauer/following{/other_user}","gists_url":"https://api.github.com/users/philippneugebauer/gists{/gist_id}","starred_url":"https://api.github.com/users/philippneugebauer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/philippneugebauer/subscriptions","organizations_url":"https://api.github.com/users/philippneugebauer/orgs","repos_url":"https://api.github.com/users/philippneugebauer/repos","events_url":"https://api.github.com/users/philippneugebauer/events{/privacy}","received_events_url":"https://api.github.com/users/philippneugebauer/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-03-24T14:15:36Z","updated_at":"2015-03-24T14:25:34Z","closed_at":null,"body":"When I change the vaadin class in `VaadinConfig.groovy` by \r\n```\r\nmapping = [\"/*\": \"de.ppn.UIManagement\"]\r\n```\r\nI always recieve this error:\r\n\r\n```\r\njava.lang.ClassNotFoundException: de.ppn.UIManagement\r\n\torg.grails.plugins.tomcat.ParentDelegatingClassLoader.findClass(ParentDelegatingClassLoader.java:59)\r\n\tjava.lang.ClassLoader.loadClass(ClassLoader.java:424)\r\n\tjava.lang.ClassLoader.loadClass(ClassLoader.java:357)\r\n\tcom.vaadin.server.ServletPortletHelper.verifyUIClass(ServletPortletHelper.java:70)\r\n\tcom.vaadin.server.ServletPortletHelper.initDefaultUIProvider(ServletPortletHelper.java:139)\r\n\tcom.vaadin.server.VaadinService.createAndRegisterSession(VaadinService.java:768)\r\n\tcom.vaadin.server.VaadinService.doFindOrCreateVaadinSession(VaadinService.java:722)\r\n\tcom.vaadin.server.VaadinService.findOrCreateVaadinSession(VaadinService.java:663)\r\n\tcom.vaadin.server.VaadinService.findVaadinSession(VaadinService.java:522)\r\n\tcom.vaadin.server.VaadinService.handleRequest(VaadinService.java:1400)\r\n\tcom.vaadin.server.VaadinServlet.service(VaadinServlet.java:305)\r\n\tcom.vaadin.grails.server.DefaultServlet$_service_closure1.doCall(DefaultServlet.groovy:47)\r\n\tcom.vaadin.grails.server.DefaultServlet.withNewSession(DefaultServlet.groovy:38)\r\n\tcom.vaadin.grails.server.DefaultServlet.service(DefaultServlet.groovy:46)\r\n\tjava.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)\r\n\tjava.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)\r\n\tjava.lang.Thread.run(Thread.java:745)\r\n```\r\n\r\nWhen I change everything back, it works, but it doesn't seem to be possible to change it."},"comment":{"url":"https://api.github.com/repos/ondrej-kvasnovsky/grails-vaadin-plugin/issues/comments/85520906","html_url":"https://github.com/ondrej-kvasnovsky/grails-vaadin-plugin/issues/52#issuecomment-85520906","issue_url":"https://api.github.com/repos/ondrej-kvasnovsky/grails-vaadin-plugin/issues/52","id":85520906,"user":{"login":"philippneugebauer","id":1623885,"avatar_url":"https://avatars.githubusercontent.com/u/1623885?v=3","gravatar_id":"","url":"https://api.github.com/users/philippneugebauer","html_url":"https://github.com/philippneugebauer","followers_url":"https://api.github.com/users/philippneugebauer/followers","following_url":"https://api.github.com/users/philippneugebauer/following{/other_user}","gists_url":"https://api.github.com/users/philippneugebauer/gists{/gist_id}","starred_url":"https://api.github.com/users/philippneugebauer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/philippneugebauer/subscriptions","organizations_url":"https://api.github.com/users/philippneugebauer/orgs","repos_url":"https://api.github.com/users/philippneugebauer/repos","events_url":"https://api.github.com/users/philippneugebauer/events{/privacy}","received_events_url":"https://api.github.com/users/philippneugebauer/received_events","type":"User","site_admin":false},"created_at":"2015-03-24T14:25:34Z","updated_at":"2015-03-24T14:25:34Z","body":"What does \"copied properly\" mean? I have created a new groovy class.\r\n\r\nYes, the file is located in src/groovy/de/ppn/UIManagement.groovy and your guesses are correct\r\n"}}