https://glassfish.dev.java.net/servlets/ProjectIssues
Caveat being that if you're not logged in, it does not show you the links to submit a request.
Could you just right a script to copy the logs with a time stamp and then clear the main server log? On an extremely busy server you may miss a couple of lines that way, so instead you could copy it, get the line count o the copy, and then remove that many lines from the original. Granted, I have not tested this out at all, nor do I run GF on Windows, but perhaps this will get you going in the right direction.
Regards,
Chris
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