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Posted to dev@hc.apache.org by "Oleg Kalnichevski (JIRA)" <ji...@apache.org> on 2010/05/10 11:24:49 UTC
[jira] Commented: (HTTPCLIENT-936) NullPointerException in
NegotiateScheme
[ https://issues.apache.org/jira/browse/HTTPCLIENT-936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12865717#action_12865717 ]
Oleg Kalnichevski commented on HTTPCLIENT-936:
----------------------------------------------
Francois
Could you please generate a wire / context log of the HTTP session and attach it to this issue?
http://hc.apache.org/httpcomponents-client/logging.html
I also have to say I probably will not be able to do much about this problem as I cannot reproduce it locally. Please do consider investing some effort into fixing the bug in your environment and contributing the fix back to the community.
Oleg
> NullPointerException in NegotiateScheme
> ---------------------------------------
>
> Key: HTTPCLIENT-936
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-936
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpAuth
> Affects Versions: 4.1 Alpha1
> Environment: JDK1.6
> Reporter: Francois Rigault
> Fix For: 4.1 Alpha2
>
> Attachments: HTTPCLIENT-936.patch
>
>
> - server is configured to allow client to authenticate with kerberos with principal foobar
> - client, using httpclient with a registered authscheme SPNEGO set as a NegotiateSchemeFactory
> - when the client authenticate with the (correct) principal foobar, it works !
> - when the client authenticate with the (wrong) principal fooba, it fails with a NPE below.
> Exception in thread "main" java.lang.NullPointerException
> at org.apache.commons.codec.binary.Base64.encodeBase64(Base64.java:233)
> at org.apache.commons.codec.binary.Base64.encode(Base64.java:521)
> at org.apache.http.impl.auth.NegotiateScheme.authenticate(NegotiateScheme.java:240)
> at org.apache.http.client.protocol.RequestTargetAuthentication.process(RequestTargetAuthentication.java:99)
> at org.apache.http.protocol.ImmutableHttpProcessor.process(ImmutableHttpProcessor.java:108)
> at org.apache.http.protocol.HttpRequestExecutor.preProcess(HttpRequestExecutor.java:167)
> at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:460)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:689)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:624)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:602)
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