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https://issues.apache.org/jira/browse/HADOOP-14146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16059168#comment-16059168
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Akira Ajisaka commented on HADOOP-14146:
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This commit broke build in JDK7. Would you fix this in branch-2 and branch-2.8?
{noformat}
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on
project hadoop-auth: Compilation failure
[ERROR]
/Users/ajisaka/git/hadoop/hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/util/KerberosUtil.java:[341,18]
org.apache.hadoop.security.authentication.util.KerberosUtil.DER is not
abstract and does not override abstract method remove() in java.util.Iterator
{noformat}
> KerberosAuthenticationHandler should authenticate with SPN in AP-REQ
> --------------------------------------------------------------------
>
> Key: HADOOP-14146
> URL: https://issues.apache.org/jira/browse/HADOOP-14146
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 2.5.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Fix For: 2.9.0, 3.0.0-alpha4, 2.8.2
>
> Attachments: HADOOP-14146.1.patch, HADOOP-14146.2.patch,
> HADOOP-14146.3.patch, HADOOP-14146.patch
>
>
> Many attempts (HADOOP-10158, HADOOP-11628, HADOOP-13565) have tried to add
> multiple SPN host and/or realm support to spnego authentication. The basic
> problem is the server tries to guess and/or brute force what SPN the client
> used. The server should just decode the SPN from the AP-REQ.
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