Design view not showing only source tab shown

following is my errror log help me as early as possible I am novice user of vaadin…I try all the suggested methods on foroum install XULRunner…

13424.txt (7.17 KB)

How are you opening the java file?
Try right clicking the file and then selecting Open With → Vaadin Editor

It seems like your opening the files with the normal java editor…although that one doesn’t have any tabs.