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HOW TO execute serviceTask  asynchronous?

Question asked by ray1 on Feb 28, 2013
Latest reply on Feb 28, 2013 by mmaker1234
hello everyone,
   I met a problem. I tried to use the serviceTask node to do webservice request,when the webservice throw a timeout exception ,the system would execute this serviceTask again. I want to set a interval between the first execution and the second execution, so I chose the sentence "thread.sleep()" to implement it.When the thread is sleeping,the main thread will pause until the second execution complete,but this will cause a bad user experience. So,I need some help.Does anyone know whethere there are some functions to set the webserviceTask on the pause status?