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Posted to issues@ambari.apache.org by "Vitaly Brodetskyi (JIRA)" <ji...@apache.org> on 2016/09/01 19:01:21 UTC
[jira] [Assigned] (AMBARI-18296) Database Consistency Check Fails
With NPE With Missing Service From Stack
[ https://issues.apache.org/jira/browse/AMBARI-18296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vitaly Brodetskyi reassigned AMBARI-18296:
------------------------------------------
Assignee: Vitaly Brodetskyi
> 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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