My project using GWT. I haved installed GWT plugin for my Chrome Browser before . I am using the newest version of chrome .When run the project, Chrome browser alway announce
Development Mode requires the GWT Developer Plugin
From GWT Website ,http://www.gwtproject.org/release-notes.html#Release_Notes_2_6_1
This is because of newer chrome version.Use Super Dev Mode
Other Solution is you can enable NPAPI which was disable in chrome 42 version follow the below steps
1.Open New Tab and Enter chrome://flags/#enable-npapi
2.Enable this Enable NPAPI Mac, Windows
3.Then bottom of the page click "Relunch" button.