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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-18296) Database Consistency Check Fails With NPE With Missing Service From Stack
Date Fri, 02 Sep 2016 19:18:20 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-18296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15459361#comment-15459361
] 

Hadoop QA commented on AMBARI-18296:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12826881/AMBARI-18296.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:red}-1 core tests{color}.  The test build failed in ambari-server 

Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/8567//testReport/
Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/8567//console

This message is automatically generated.

> Database Consistency Check Fails With NPE With Missing Service From Stack
> -------------------------------------------------------------------------
>
>                 Key: AMBARI-18296
>                 URL: https://issues.apache.org/jira/browse/AMBARI-18296
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.4.0
>            Reporter: Jonathan Hurley
>            Assignee: Vitaly Brodetskyi
>            Priority: Critical
>             Fix For: trunk
>
>         Attachments: AMBARI-18296.patch
>
>
> The database consistency checker can fail if a service configuration exists for a service
which is no longer on the current stack:
> {code}
> 2016-08-31 21:52:28,082 INFO - ******************************* Check database started
******************************* 2016-08-31 21:52:31,647 INFO - Checking for configs not mapped
to any cluster 2016-08-31 21:52:31,653 INFO - Checking for configs selected more than once
2016-08-31 21:52:31,655 INFO - Checking for hosts without state 2016-08-31 21:52:31,657 INFO
- Checking host component states count equals host component desired states count 2016-08-31
21:52:31,660 INFO - Checking services and their configs 2016-08-31 21:52:33,669 ERROR - Unexpected
error, database check failed java.lang.NullPointerException at org.apache.ambari.server.checks.DatabaseConsistencyCheckHelper.checkServiceConfigs(DatabaseConsistencyCheckHelper.java:543)
at org.apache.ambari.server.checks.DatabaseConsistencyChecker.main(DatabaseConsistencyChecker.java:115)
> {code}
> It seems like what happens is this query returns a service which is not defined in the
current stack:
> {code}
> SELECT
>   c.cluster_name,
>   cs.service_name,
>   cc.type_name,
>   sc.version
> FROM clusterservices cs
> JOIN serviceconfig sc
>   ON cs.service_name = sc.service_name
>   AND cs.cluster_id = sc.cluster_id
> JOIN serviceconfigmapping scm
>   ON sc.service_config_id = scm.service_config_id
> JOIN clusterconfig cc
>   ON scm.config_id = cc.config_id
>   AND sc.cluster_id = cc.cluster_id
> JOIN clusters c
>   ON cc.cluster_id = c.cluster_id
>   AND sc.stack_id = c.desired_stack_id
> WHERE sc.group_id IS NULL
> AND sc.service_config_id = (SELECT
>   MAX(service_config_id)
> FROM serviceconfig sc2
> WHERE sc2.service_name = sc.service_name
> AND sc2.cluster_id = sc.cluster_id)
> GROUP BY c.cluster_name,
>          cs.service_name,
>          cc.type_name,
>          sc.version
> {code}
> Problem area of code:
> {code:title=serviceInfo is null}
>         for (String serviceName : serviceNames) {
>           ServiceInfo serviceInfo = serviceInfoMap.get(serviceName);
>           Set<String> configTypes = serviceInfo.getConfigTypeAttributes().keySet();
>           for (String configType : configTypes) {
>             stackServiceConfigs.put(serviceName, configType);
>           }
>         }
> {code}



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