Super Contributor.
Super Contributor.

Flex protocol script generation problem

I am using Flex+Web Protocol.
i have added all the application jar files and the following jar files
flex-messaging-data.jar etc.
when i try to regenerate the script i am getting the following error.
Description Details:
flex.messaging.MessageException: Unable to create a new instance of type 'com.citi.drc.exception.ApplicationException'. Types cannot be instantiated without a public, no arguments constructor.

Call stack can be found in Code Generation log.

Recommended Operation Details:
Add default constructor to the specified class.

i checked the specified class file and confirmed that the default constructor is present in that.
any suggestions to solve this issue
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