Stefano Bagnara (JIRA) schrieb: > Make sure our container use an expiration for cached dns data > ------------------------------------------------------------- > > Key: JAMES-679 > URL: http://issues.apache.org/jira/browse/JAMES-679 > Project: James > Issue Type: Improvement > Affects Versions: 2.3.0 > Reporter: Stefano Bagnara > Assigned To: Stefano Bagnara > Fix For: 2.3.1-dev, Next Minor, Next Major, Trunk > > > Noel J. Bergman wrote: > >> Stefano Bagnara wrote: >> >>> but it could happen (or maybe it already happen) that some third party >>> library we use still make use of InetAddress "flawed" methods, and the >>> above property would save us from the possible OutOfMemory because of >>> the unbounded cache. >>> >> Perhaps, but I would rather vet the code, and be more careful about what we >> use. Now that we know one of the things to look for carefully, we can avoid >> it. The better solution is to avoid the problem, not mask it. >> >> --- Noel >> > > I agree: we avoid it in trunk because of this. > > About the "not masking" I think that even if we solved it we should better > add the property because our users could easily make our mistakes and use > InetAddress in their mailets. The fact that DNSServer is not part of the > mailet apis incentivate them to use InetAdress and not the James Server > specific service. > > So I think we should really add the ttl property. > > Either "-Dsun.net.inetaddr.ttl=10" in the command line or > java.security.Security.setProperty("networkaddress.cache.ttl" , "10"); > Should work +1
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