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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14687) AuthenticatedURL will reuse bad/expired session cookies
Date Tue, 22 Aug 2017 22:44:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16137541#comment-16137541

Hudson commented on HADOOP-14687:

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #12228 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/12228/])
HADOOP-14687. AuthenticatedURL will reuse bad/expired session cookies. (jlowe: rev c3793102121767c46091805eae65ef3919a5f368)
* (edit) hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/client/AuthenticatedURL.java
* (edit) hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/http/TestHttpServerWithSpengo.java
* (edit) hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/KMSClientProvider.java
* (edit) hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/client/KerberosAuthenticator.java
* (edit) hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/client/PseudoAuthenticator.java

> AuthenticatedURL will reuse bad/expired session cookies
> -------------------------------------------------------
>                 Key: HADOOP-14687
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14687
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: common
>    Affects Versions: 2.6.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Critical
>             Fix For: 2.9.0, 3.0.0-beta1, 2.8.2
>         Attachments: HADOOP-14687.2.trunk.patch, HADOOP-14687.branch-2.8.patch, HADOOP-14687.trunk.patch
> AuthenticatedURL with kerberos was designed to perform spnego, then use a session cookie
to avoid renegotiation overhead.  Unfortunately the client will continue to use a cookie after
it expires.  Every request elicits a 401, connection closes (despite keepalive because 401
is an "error"), TGS is obtained, connection re-opened, re-requests with TGS, repeat cycle.
 This places a strain on the kdc and creates lots of time_wait sockets.
> The main problem is unbeknownst to the auth url, the JDK transparently does spnego. 
The server issues a new cookie but the auth url doesn't scrape the cookie from the response
because it doesn't know the JDK re-authenticated.

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