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https://issues.apache.org/jira/browse/TS-5104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oknet Xu updated TS-5104:
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Affects Version/s: 6.2.0
> Wrong retry count for OSDNSLookup if url_expansions enabled
> -----------------------------------------------------------
>
> Key: TS-5104
> URL: https://issues.apache.org/jira/browse/TS-5104
> Project: Traffic Server
> Issue Type: Bug
> Components: HTTP
> Affects Versions: 6.2.0
> Reporter: Oknet Xu
> Fix For: 6.2.1
>
>
> {code}
> 1674 HttpTransact::OSDNSLookup(State *s)
> 1675 {
> 1676 static int max_dns_lookups = 3 +
> s->http_config_param->num_url_expansions;
> 1677 ++s->dns_info.attempts;
> {code}
> The max_dns_lookups include :
> - 1 for origin domain, for example: oknet
> - 1 for default expansion, for example: www.oknet.com
> - n for url_expansions_string list, for example: oknet.org, oknet.net
> Thus, max_dns_lookups should be ```2 +
> s->http_config_param->num_url_expansions```
> {code}
> HttpTransact::HostNameExpansionError_t
> 6614 HttpTransact::try_to_expand_host_name(State *s)
> a165134@andrewhsuInitial commit.
> andrewhsu authored on 30 Oct 2009
> 6615 {
> 6616 static int max_dns_lookups = 2 +
> s->http_config_param->num_url_expansions;
> 6617 static int last_expansion = max_dns_lookups - 2;
> {code}
> In the HttpTransact::try_to_expand_host_name, it is correct.
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