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I new to Vaadin framework. I began with a single module application project.Question:How can I set a concurrency-control with max session property.This project doesnt have any web.xml.
I really appreciateit if anyone can help.
I'm not sure what you mean by concurrency-control and max session property. Do you by any chance mean the session-timeout as in http://stackoverflow.com/questions/15382895/session-timeout-in-web-xml?
Anyway, you can always create the web.xml file in the src/main/webapp/WEB-INF directory and it should be picked automatically by web container. For example: