Code review request, 7155051 jndi/dns, DNS provider may return incorrect results
chris.hegarty at oracle.com
Mon Mar 19 22:13:22 PDT 2012
On 19/03/12 18:47, Xuelei Fan wrote:
> Please review the fix:
> webrev: http://cr.openjdk.java.net/~xuelei/7155051/webrev.00/
Wow, strange this wasn't seen before.
The change looks fine to me.
> Cause of the issue:
> The DNS provider attempts to check the XID of the response to make sure
> the response received from the server matches the requested XID. If the
> response's XID does not match, the DNS provider caches the response in
> case another thread needs it. However, the response is cached with the
> incorrect XID. Therefore, when the lookup code continues, the current
> request receives an incorrect response.
> Xuelei Fan
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