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Date: Wed, 17 May 2017 13:20:04 +0000 (UTC)
From: "ASF GitHub Bot (JIRA)" <jira@apache.org>
To: dev@hc.apache.org
Message-ID: <JIRA.12976849.1465387700000.230353.1495027204739@Atlassian.JIRA>
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Subject: [jira] [Commented] (HTTPCLIENT-1748) When run in java applet,
 SystemDefaultCredentialsProvider fails to get authentication from
 Authenticator
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archived-at: Wed, 17 May 2017 13:20:11 -0000


    [ https://issues.apache.org/jira/browse/HTTPCLIENT-1748?page=3Dcom.atla=
ssian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=
=3D16014012#comment-16014012 ]=20

ASF GitHub Bot commented on HTTPCLIENT-1748:
--------------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/httpcomponents-client/pull/55


> When run in java applet, SystemDefaultCredentialsProvider fails to get au=
thentication from Authenticator
> -------------------------------------------------------------------------=
-------------------------------
>
>                 Key: HTTPCLIENT-1748
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-174=
8
>             Project: HttpComponents HttpClient
>          Issue Type: Improvement
>          Components: HttpClient (classic)
>    Affects Versions: 4.5
>         Environment: Windows, application running in a java applet starte=
d by firefox, connection to a remote server via a squid proxy with basic au=
thentication
>            Reporter: S=C3=A9bastien Caille
>            Priority: Trivial
>             Fix For: 5.0 Alpha2
>
>
> Hello,
> The java applets are deprecated, but the issue may impact other use cases=
.
> During a POST call made from a java applet via a proxy server with basic =
authentication, SystemDefaultCredentialsProvider.getSystemCreds(...) calls =
Authenticator.requestPasswordAuthentication, which wrongly returns "null" a=
uthentication.
> The java applet console shows that a NullPointerException was ignored.
> I managed to fix the issue by providing the following values to Authentic=
ator.requestPasswordAuthentication (getSystemCreds is currently providing n=
ull for those ones ):
>   prompt =3D authscope.getRealm()
>   url =3D context.getAttribute(HttpClientContext.HTTP_TARGET_HOST)
> Both values are needed ( prompt =3D=3D null && url !=3D null -> dialog bo=
x asking for credentials, prompt !=3D null && url =3D=3D null -> crashes fi=
refox)
> Note that when downloading the applet jar files, the java is providing va=
lues for all the parameters of Authenticator.requestPasswordAuthentication =
(according to a breakpoint in requestPasswordAuthentication).
> Thanks


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