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https://issues.apache.org/jira/browse/AMBARI-12128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14599842#comment-14599842
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Hadoop QA commented on AMBARI-12128:
------------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12741650/AMBARI-12128_01.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in .
Test results:
https://builds.apache.org/job/Ambari-trunk-test-patch/3255//testReport/
Console output:
https://builds.apache.org/job/Ambari-trunk-test-patch/3255//console
This message is automatically generated.
> Falcon Server Web UI alert fails when Kerberos is enabled
> ---------------------------------------------------------
>
> Key: AMBARI-12128
> URL: https://issues.apache.org/jira/browse/AMBARI-12128
> Project: Ambari
> Issue Type: Bug
> Components: ambari-agent, ambari-server
> Affects Versions: 2.1.0
> Reporter: Robert Levas
> Assignee: Robert Levas
> Priority: Blocker
> Labels: alerts, kerberos
> Fix For: 2.1.0
>
> Attachments: AMBARI-12128_01.patch
>
>
> Falcon Server Web UI alert fails when Kerberos is enabled. The error message
> is
> {noformat}
> agent/data/tmp/web_alert_cc_2144dc375b8556f5a0c2629adedd2a99 -kt
> {{falcon-startup.properties/*.falcon.http.authentication.kerberos.keytab}}
> {{falcon-startup.properties/*.falcon.http.authentication.kerberos.principal}}
> > /dev/null' returned 1. kinit: Client not found in Kerberos database while
> getting initial credentials)
> {noformat}
> *Cause*
> This issue was introduced when the patch for AMBARI-11656 was applied.
> The issue is related to this line:
> {code:title=ambari_agent/alerts/base_alert.py:217}
> replacement_match_regex = r"{{(%s)}}" % placeholder_key
> {code}
> When the relative falcon properties are applied, the generated regular
> expression becomes
> {noformat}
> {{(falcon-startup.properties/*.falcon.http.authentication.kerberos.keytab)}}
> {noformat}
> Which wants to match on values like:
> * falcon-startup.properties.falcon.http.authentication.kerberos.keytab
> * falcon-startup.properties/.falcon.http.authentication.kerberos.keytab
> *
> falcon-startup.properties/////////////Rfalcon.http.authentication.kerberos.keytab
> Not the one we really want -
> falcon-startup.properties/*.falcon.http.authentication.kerberos.keytab
> Either the {{*}} needs to be escaped or the use of regular expressions needs
> to be changed.
> *Solution*
> Remove the regular expression replacement and use somple string replacement
> instead.
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