java 6 use

We are running V7.1 and starting the planning to go to V7.3 We currently have java 5, 6 and 7(32 but) and 7(64 bit) installed on our system. We know that Java 5 and 6 are not supported on V7.3 Websphere is currently configured to use Java 7. Our global environment is set to Java 6 (1.6.0) when running java *version. We do run some java code outside of Websphere called from RPG programs and we have some 3rd party java apps that do not run in Websphere. Is there some way we can find out what java apps are using what version of java so we know what we need to worry about getting upgraded to use java 7 or 8?

Thanks

Mike Cunningham

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