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https://issues.apache.org/jira/browse/HDFS-7857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14353128#comment-14353128
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Hudson commented on HDFS-7857:
------------------------------
SUCCESS: Integrated in Hadoop-Mapreduce-trunk #2077 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2077/])
HDFS-7857. Improve authentication failure WARN message to avoid user confusion.
Contributed by Yongjun Zhang. (yzhang: rev
d799fbe1ccf8752c44f087e34b5f400591d3b5bd)
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
Revert "HDFS-7857. Improve authentication failure WARN message to avoid user
confusion. Contributed by Yongjun Zhang." (yzhang: rev
5578e22ce9ca6cceb510c22ec307b1869ce1a7c5)
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
> Improve authentication failure WARN message to avoid user confusion
> -------------------------------------------------------------------
>
> Key: HDFS-7857
> URL: https://issues.apache.org/jira/browse/HDFS-7857
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: ipc
> Reporter: Yongjun Zhang
> Assignee: Yongjun Zhang
> Labels: supportability
> Attachments: HDFS-7857.001.patch
>
>
> Lots of the following messages appeared in NN log:
> {quote}
> 2014-12-10 12:18:15,728 WARN SecurityLogger.org.apache.hadoop.ipc.Server:
> Auth failed for <ipAddress>:39838:null (DIGEST-MD5: IO error acquiring
> password)
> 2014-12-10 12:18:15,728 INFO org.apache.hadoop.ipc.Server: Socket Reader #1
> for port 8020: readAndProcess from client <ipAddress> threw exception
> [org.apache.hadoop.ipc.StandbyException: Operation category READ is not
> supported in state standby]
> ......
> SecurityLogger.org.apache.hadoop.ipc.Server: Auth failed for
> <ipAddress>:39843:null (DIGEST-MD5: IO error acquiring password)
> 2014-12-10 12:18:15,790 INFO org.apache.hadoop.ipc.Server: Socket Reader #1
> for port 8020: readAndProcess from client <ipAddress> threw exception
> [org.apache.hadoop.ipc.StandbyException: Operation category READ is not
> supported in state standby]
> {quote}
> The real reason of failure is the second message about StandbyException,
> However, the first message is confusing because it talks about "DIGEST-MD5:
> IO error acquiring password".
> Filing this jira to modify the first message to have more comprehensive
> information that can be obtained from {{getCauseForInvalidToken(e)}}.
> {code}
> try {
> saslResponse = processSaslMessage(saslMessage);
> } catch (IOException e) {
> rpcMetrics.incrAuthenticationFailures();
> // attempting user could be null
> AUDITLOG.warn(AUTH_FAILED_FOR + this.toString() + ":"
> + attemptingUser + " (" + e.getLocalizedMessage() + ")");
> throw (IOException) getCauseForInvalidToken(e);
> }
> {code}
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