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From "Oleg Kalnichevski (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HTTPCLIENT-1381) NullPointerException during NTLM authentication using null workstation/domain
Date Sat, 06 Jul 2013 14:17:48 GMT

     [ https://issues.apache.org/jira/browse/HTTPCLIENT-1381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Oleg Kalnichevski resolved HTTPCLIENT-1381.
-------------------------------------------

       Resolution: Fixed
    Fix Version/s: 4.3 Beta3
                   4.2.6

Fixed in SVN trunk and 4.2.x. Please review / re-test

Oleg
                
> NullPointerException during NTLM authentication using null workstation/domain
> -----------------------------------------------------------------------------
>
>                 Key: HTTPCLIENT-1381
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1381
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpAuth
>    Affects Versions: Snapshot
>            Reporter: Ricardo Pereira
>             Fix For: 4.2.6, 4.3 Beta3
>
>         Attachments: ClientNtlmProxyAuthentication.java, wire.log
>
>
> Using NTCredentials with null workstation or null domain leads to a NullPointerException
during the NTLM authentication.
> The workaround is to use an empty String for both the workstation and domain.
> Exception stack trace of an attempt to authenticate with null workstation:
> Exception in thread "main" java.lang.NullPointerException
> 	at org.apache.http.impl.auth.NTLMEngineImpl.stripDotSuffix(NTLMEngineImpl.java:186)
> 	at org.apache.http.impl.auth.NTLMEngineImpl.convertHost(NTLMEngineImpl.java:194)
> 	at org.apache.http.impl.auth.NTLMEngineImpl.access$14(NTLMEngineImpl.java:193)
> 	at org.apache.http.impl.auth.NTLMEngineImpl$Type1Message.<init>(NTLMEngineImpl.java:970)
> 	at org.apache.http.impl.auth.NTLMEngineImpl.getType1Message(NTLMEngineImpl.java:139)
> 	at org.apache.http.impl.auth.NTLMEngineImpl.generateType1Msg(NTLMEngineImpl.java:1608)
> 	at org.apache.http.impl.auth.NTLMScheme.authenticate(NTLMScheme.java:129)
> 	at org.apache.http.impl.auth.AuthSchemeBase.authenticate(AuthSchemeBase.java:136)
> 	at org.apache.http.impl.auth.HttpAuthenticator.doAuth(HttpAuthenticator.java:239)
> 	at org.apache.http.impl.auth.HttpAuthenticator.generateAuthResponse(HttpAuthenticator.java:202)
> 	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:251)
> 	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:176)
> 	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:77)
> 	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:101)
> 	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
> 	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:115)
> 	at ClientNtlmProxyAuthentication.main(ClientNtlmProxyAuthentication.java:70)

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