What is Causing the Destruction of Singletons in the DefaultListableBeanFactory?

When I deploy my war file to my tomcat instance, the tomcat log files indicate that Spring creates and injects the various beans declared in the various context files of my application. However, once all the beans are created, Spring immediately notifies that it is:

Quote:

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[INFO] Destroying singletons in org.springframework.beans.factory.support.DefaultL istableBeanFactory

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Can anyone help me understand why this is happening and how to stop it from destroying all the beans it just created? Thanks.