How to order executions in one phase?

I have two <execution>s attached to the same phase deploy. First execution is tomcat:redeploy, second one is a custom one that makes a HTTP request to the production server to validate that the application really works.

How can I instruct maven to exe开发者_如何学JAVAcute them in this particular order?

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Check http://jira.codehaus.org/browse/MNG-2258, try Maven 3.