{"action":"created","issue":{"url":"https://api.github.com/repos/gwtproject/gwt/issues/9249","labels_url":"https://api.github.com/repos/gwtproject/gwt/issues/9249/labels{/name}","comments_url":"https://api.github.com/repos/gwtproject/gwt/issues/9249/comments","events_url":"https://api.github.com/repos/gwtproject/gwt/issues/9249/events","html_url":"https://github.com/gwtproject/gwt/issues/9249","id":122548704,"number":9249,"title":"Unsupported major.minor version 51.0","user":{"login":"wadezang","id":13922600,"avatar_url":"https://avatars.githubusercontent.com/u/13922600?v=3","gravatar_id":"","url":"https://api.github.com/users/wadezang","html_url":"https://github.com/wadezang","followers_url":"https://api.github.com/users/wadezang/followers","following_url":"https://api.github.com/users/wadezang/following{/other_user}","gists_url":"https://api.github.com/users/wadezang/gists{/gist_id}","starred_url":"https://api.github.com/users/wadezang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/wadezang/subscriptions","organizations_url":"https://api.github.com/users/wadezang/orgs","repos_url":"https://api.github.com/users/wadezang/repos","events_url":"https://api.github.com/users/wadezang/events{/privacy}","received_events_url":"https://api.github.com/users/wadezang/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-12-16T16:40:04Z","updated_at":"2015-12-16T17:01:19Z","closed_at":null,"body":"I am experiencing an error \"com/google/gwt/thirdparty/common/css/SubstitutionMap : Unsupported major.minor version 51.0\".\r\nCurrently I have installed Eclipse Luna, GPE with GWT 2.7, GXT 4 and Java 1.6 (Java 1.6 is currently required). The error came out only when I add a GXT Widget. It was not a problem for GWT 2.7 alone.\r\nAs it's been discussed here 'https://github.com/ArcBees/gwtchosen/issues/199', the GSS requires Java 7. Is there a workaround to make it compatible with Java 6?"},"comment":{"url":"https://api.github.com/repos/gwtproject/gwt/issues/comments/165175375","html_url":"https://github.com/gwtproject/gwt/issues/9249#issuecomment-165175375","issue_url":"https://api.github.com/repos/gwtproject/gwt/issues/9249","id":165175375,"user":{"login":"wadezang","id":13922600,"avatar_url":"https://avatars.githubusercontent.com/u/13922600?v=3","gravatar_id":"","url":"https://api.github.com/users/wadezang","html_url":"https://github.com/wadezang","followers_url":"https://api.github.com/users/wadezang/followers","following_url":"https://api.github.com/users/wadezang/following{/other_user}","gists_url":"https://api.github.com/users/wadezang/gists{/gist_id}","starred_url":"https://api.github.com/users/wadezang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/wadezang/subscriptions","organizations_url":"https://api.github.com/users/wadezang/orgs","repos_url":"https://api.github.com/users/wadezang/repos","events_url":"https://api.github.com/users/wadezang/events{/privacy}","received_events_url":"https://api.github.com/users/wadezang/received_events","type":"User","site_admin":false},"created_at":"2015-12-16T17:01:19Z","updated_at":"2015-12-16T17:01:19Z","body":"Because the current project was developed with GWT 2.5/GXT 3 and Java 6. We want to upgrade to GWT 2.7/GXT 4 but keep Java 6. I am responsible to test the new environment in order to find out if it is possible to keep Java 6 instead of upgrading to Java 7 or 8.\r\n"}}