[jboss-user] [Installation, Configuration & DEPLOYMENT] - Re: why need to restart jboss after network changed

[salewski]

Perhaps you're getting bit by Java's default DNS caching?

http://www.rgagnon.com/javadetails/java-0445.html
http://java.sun.com/j2se/1.5.0/docs/guide/net/properties.html

>From $JRE/lib/security/java.security:

#
# The Java-level namelookup cache policy for successful lookups:
#
# any negative value: caching forever
# any positive value: the number of seconds to cache an address for
# zero: do not cache
#
# default value is forever (FOREVER). For security reasons, this
# caching is made forever when a security manager is set.
#
# NOTE: setting this to anything other than the default value can have
#       serious security implications. Do not set it unless 
#       you are sure you are not exposed to DNS spoofing attack.
#
#networkaddress.cache.ttl=-1 


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