Yes, it is changed in V3. But why should that affect you? The internal directory structure <domain-folder>/applications is a private interface of GlassFish and it can be changed without any notice. You should avoid touching this place or making any assumptions about it.
What is guaranteed is in a "directory deployment" case, GlassFish V2, V3 will treat the folder where you app lives as an opaque resource. But with archive deployment, GlassFish is free to use a location (internal) of choice.
BTW, just curious -- what is the reason you need to depend on the location of expanded archives after deployment?
Regards,
Kedar
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