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How to configure p2 httpclient in order to disable hostname verification [message #1728860] Fri, 08 April 2016 05:47 Go to next message
Peter Kullmann is currently offline Peter KullmannFriend
Messages: 240
Registered: July 2009
Senior Member
I'm using p2 as part of an rcp application to install some features from remote sites. Some of the sites have https access with invalid host names (this happens a lot if I have to access via a tunnel). Running a with standard settings I'm getting the following exception:

org.eclipse.equinox.p2.core.ProvisionException: Kann Repository https://localhost:8095/funtrade-test3/p2/content.xml nicht lesen.
Caused by: hostname in certificate didn't match: <localhost> != <*> OR <*> OR <>

(I changed the actual host names).

When setting up an HttpClient one can easily configure a HostNameVerifier that would accept the localhost in this case. But the HttpClient that is used by p2 via ecf cannot be configured in any way as far as I can see.

My current workaround ist just to disable HttpClient based transport by setting the system property


With this property p2 uses a HttpsURLConnection which I can configure (globally) with

        HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {
            public boolean verify(String hostname, SSLSession session) {
                return true;

So, is there a possibility to access the HttpClient or supply a factory to create one or something else that can influence the hostname verification of p2?

Re: How to configure p2 httpclient in order to disable hostname verification [message #1741894 is a reply to message #1728860] Tue, 30 August 2016 13:36 Go to previous message
Klara Ward is currently offline Klara WardFriend
Messages: 14
Registered: July 2009
Junior Member
I wonder the same thing. Although I guess it¨s a thing that you generally "should not do"(TM)
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