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https://issues.apache.org/jira/browse/HADOOP-7509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ravi Prakash updated HADOOP-7509:
---------------------------------
Attachment: HADOOP-7509.1.patch
The log message looks like
{noformat}
2011-04-04 17:52:48,916 INFO org.apache.hadoop.ipc.Server: IPC Server listener
on 8020: readAndProcess threw exception
org.apache.hadoop.security.AccessControlException: Authentication is required.
Count of bytes read: 0
org.apache.hadoop.security.AccessControlException: Authentication is required
at
org.apache.hadoop.ipc.Server$Connection.readAndProcess(Server.java:1121)
at org.apache.hadoop.ipc.Server$Listener.doRead(Server.java:536)
at org.apache.hadoop.ipc.Server$Listener$Reader.run(Server.java:343)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
{noformat}
This confuses users. The error can be more detailed. Attaching a patch to do
so. Can someone please review and commit it? No tests attached because its too
small a change.
> Improve message when Authentication is required
> -----------------------------------------------
>
> Key: HADOOP-7509
> URL: https://issues.apache.org/jira/browse/HADOOP-7509
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 0.20.204.0
> Reporter: Ravi Prakash
> Assignee: Ravi Prakash
> Priority: Trivial
> Fix For: 0.20.206.0
>
> Attachments: HADOOP-7509.1.patch
>
>
> The message when security is enabled and authentication is configured to be
> simple is not explicit enough. It simply prints out "Authentication is
> required" and prints out a stack trace. The message should be "Authorization
> (hadoop.security.authorization) is enabled but authentication
> (hadoop.security.authentication) is configured as simple. Please configure
> another method."
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