Windows caches DNS too. But it can be flushed:
c:\> ipconfig /flushdns

-Tim

Oscar Carrillo wrote:
How bizarre. AFAIK, this is the same problem MS Windows has with
it's DNS implementation. That's why IE never can re-connect after it
gets a bad DNS lookup.

Oscar

On Wed, 26 Feb 2003, Ralph Einfeldt wrote:


Because the underlying classes sometimes cache a negative
response, so you have to restart tomcat to enable a new lookup. (That's not specific to tomcat)



-----Original Message-----
From: Hannes Schmidt [mailto:[EMAIL PROTECTED]
Sent: Wednesday, February 26, 2003 3:02 AM
To: Tomcat Users List
Subject: Re: crontab problems

Regarding your problem: I don't understand why bouncing Tomcat would resolve a DNS problem. The UnknownHostException is a indication that something is wrong with DNS or the
resolver library.



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