Yikes, that really stinks. That's an incorrect implementation of the DNS protocol...the TTL should be honored at all times.
John > -----Original Message----- > From: Tim Funk [mailto:[EMAIL PROTECTED] > Sent: Wednesday, February 26, 2003 6:57 AM > To: Tomcat Users List > Subject: Re: crontab problems > > > It doesn't matter. Its a JDK issue. > > (IIRC) Successful (and unsucessful?) DNS lookups are cached forever > during the life of the JVM. So if you start tomcat on Jan 1, 2003 and > tomcat looks up foo.com that day - the lookup (across the network) is > not done again. So if the address changes Jan 2 tomcat will have the > wrong answer. And continue to have the wrong answer until the JVM is > restarted. > > Yes - this stinks for long running servers. I do not know if this is > still an issue in JDK 1.4. > > Once way to get around this is to find a class which > re-implements the > DNS protocols. (ICK) > > -Tim > > > > Ron Day wrote: > > Do you know which class cache the negative response............ > > > > -----Original Message----- > > From: Ralph Einfeldt [mailto:[EMAIL PROTECTED] > > Sent: Wednesday, February 26, 2003 2:07 AM > > To: Tomcat Users List > > Subject: RE: crontab problems > > > > > > 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. > >> > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
