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Jordan,
On 12/3/2010 2:56 PM, Jordan Michaels wrote:
> It's what makes me think that the...
>
> sun.net.client.defaultConnectTimeout (default: -1)
> sun.net.client.defaultReadTimeout (default: -1)
>
> settings are involved somehow...
- From the docs
(http://download.oracle.com/javase/1.5.0/docs/guide/net/properties.html):
"
These properties specify the default connect and read timeout (resp.)
for the protocol handler used by java.net.URLConnection.
"
This has absolutely nothing at all to do with DNS resolution.
Is the problem that a hostname (somehow) resolves to NXDOMAIN and /that/
value is being cached? I'm pretty sure that the JVM delegates to the OS
to do DNS resolution, so the caching would only be a problem if a DNS
record /changed/ during the lifetime of the JVM.
IIRC, DNS shouldn't cache NXDOMAIN in general. You could easily try
setting the ttl configs mentioned in other posts to be 0 (zero: do not
cache) and see what happens.
- -chris
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