Monday, July 13, 2009

InetAddress.getByName( ) cached result

java.net.InetAddress.getByName( ) will cached the result, even when the host name IP is changed. To fix this, issue the following option to Java VM:

-Dsun.net.inetaddr.ttl=0

It sets the timeout of the DNS cache to zero.

No comments:

Post a Comment

CSP on Apache

To add CSP to root if sort of funny. The following will NOT work for most cases !!     <LocationMatch "^/$">        Header s...