> Preliminary data. Today's "TOP 10" List.
Unfortunately, I had to restart the JVM. I'd upgraded from 1.4.2_9 to
1.4.2_12 and also enabled hprof, and found all of the incoming SMTP threads
and RemoteDelivery threads hung on a wait:
at org.xbill.DNS.Cache.lookup(Cache.java:425)
- waiting to lock <0x4731ede8> (a org.xbill.DNS.Cache)
at org.xbill.DNS.Cache.lookupRecords(Cache.java:528)
*No* threads were showing as having locked that object, which is an old JVM
bug that should have been stomped out ages ago, but has apparently
resurfaced, either in _12 or because of an interaction with hprof.
Hopefully it won't repeat, but there are reasons why I was waiting until I
had time to babysit the server before I would heap profile JAMES.
--- Noel
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