[jira] [Assigned] (GEODE-10038) Trying to access the QueryService results in NPE on server restart from deployed Jar

["Mario Kevo (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GEODE-10038?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Kevo reassigned GEODE-10038:
----------------------------------

    Assignee:     (was: Mario Kevo)

> Trying to access the QueryService results in NPE on server restart from deployed Jar
> ------------------------------------------------------------------------------------
>
>                 Key: GEODE-10038
>                 URL: https://issues.apache.org/jira/browse/GEODE-10038
>             Project: Geode
>          Issue Type: Bug
>          Components: functions
>    Affects Versions: 1.12.8, 1.13.7, 1.14.3, 1.15.0
>            Reporter: Udo Kohlmeyer
>            Priority: Major
>
> After deploying a jar which contains a Function, restarting the server causes an NPE.
> Using the Function definition of:
> {code:java}
> public class CustomFunction implements Function {
>     private GemFireCache cache;
>     private QueryService queryService;
>     public CustomFunction() {
>         this.cache = CacheFactory.getAnyInstance();
>         this.queryService = cache.getQueryService();
>     }
> {code}
> Due to the startup flow https://github.com/apache/geode/blob/develop/geode-core/src/main/java/org/apache/geode/internal/cache/GemFireCacheImpl.java#L1404 the registration of Functions are initialized from cluster configuration [here|https://github.com/apache/geode/blob/develop/geode-core/src/main/java/org/apache/geode/internal/cache/GemFireCacheImpl.java#L1419]. There is a dependency on the `QueryService` to be available at Function construction time, but given that the services are only initialized [here|https://github.com/apache/geode/blob/develop/geode-core/src/main/java/org/apache/geode/internal/cache/GemFireCacheImpl.java#L1435], the call to the `cache.getQueryService` fails with an NPE [here|https://github.com/apache/geode/blob/develop/geode-core/src/main/java/org/apache/geode/cache/query/internal/DefaultQueryService.java#L116-L117]



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