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https://issues.apache.org/jira/browse/HTTPCLIENT-2259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrei Dan updated HTTPCLIENT-2259:
-----------------------------------
    Description: 
Hello,

I'm testing *org.apache.hc.client5.http.psl.PublicSuffixMatcher* from 
*org.apache.httpcomponents.client5* version {*}5.2.1{*}.

First, running *getDomainRoot* for "test.co.uk" returns, as expected, 
"test.co.uk".
No problem here! I'm just taking note of this to contrast it with the behavior 
described below.

But then, running *getDomainRoot* for "test.blogspot.com" returns 
"blogspot.com".
This doesn't change even if I add the second parameter as 
{*}DomainType.PRIVATE{*}.

Shouldn't the returned domain root be "test.blogspot.com", as "blogspot.com" is 
registered in the hardcoded PSL as a public suffix? I also tried instantiating 
a *PublicSuffixMatcher* with the latest Mozilla PSL, using 
{*}PublicSuffixMatcherLoader.load{*}, and noticed no change.

The method documentation for *getDomainRoot* says:

??Returns registrable part of the domain for the given domain name or null if 
given domain represents a public suffix.??

But it is "test.blogspot.com" that is registrable, not "blogspot.com" itself.

  was:
Hello,

I'm testing *org.apache.hc.client5.http.psl.PublicSuffixMatcher* from 
*org.apache.httpcomponents.client5* version {*}5.2.1{*}.

First, running *getDomainRoot* for "test.co.uk" returns as expected 
"test.co.uk".
No problem here! I'm just taking note of this to contrast it with the behavior 
described below.

Then, running *getDomainRoot* for "test.blogspot.com" returns "blogspot.com".
This doesn't change even if I add the second parameter as 
{*}DomainType.PRIVATE{*}.

Shouldn't the domain root be "test.blogspot.com", as "blogspot.com" is 
registered in the hardcoded PSL as a public suffix? I also tried instantiating 
a *PublicSuffixMatcher* with the latest Mozilla PSL, using 
{*}PublicSuffixMatcherLoader.load{*}, and noticed no change.

The method documentation for *getDomainRoot* says:

??Returns registrable part of the domain for the given domain name or null if 
given domain represents a public suffix.??

But it is "test.blogspot.com" that is registrable, not "blogspot.com" itself.


> PublicSuffixMatcher returning incomplete domain root for private domains
> ------------------------------------------------------------------------
>
>                 Key: HTTPCLIENT-2259
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2259
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpClient (classic)
>    Affects Versions: 5.2.1
>            Reporter: Andrei Dan
>            Priority: Minor
>
> Hello,
> I'm testing *org.apache.hc.client5.http.psl.PublicSuffixMatcher* from 
> *org.apache.httpcomponents.client5* version {*}5.2.1{*}.
> First, running *getDomainRoot* for "test.co.uk" returns, as expected, 
> "test.co.uk".
> No problem here! I'm just taking note of this to contrast it with the 
> behavior described below.
> But then, running *getDomainRoot* for "test.blogspot.com" returns 
> "blogspot.com".
> This doesn't change even if I add the second parameter as 
> {*}DomainType.PRIVATE{*}.
> Shouldn't the returned domain root be "test.blogspot.com", as "blogspot.com" 
> is registered in the hardcoded PSL as a public suffix? I also tried 
> instantiating a *PublicSuffixMatcher* with the latest Mozilla PSL, using 
> {*}PublicSuffixMatcherLoader.load{*}, and noticed no change.
> The method documentation for *getDomainRoot* says:
> ??Returns registrable part of the domain for the given domain name or null if 
> given domain represents a public suffix.??
> But it is "test.blogspot.com" that is registrable, not "blogspot.com" itself.



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