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https://issues.apache.org/jira/browse/GEODE-10038?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jakov Varenina reassigned GEODE-10038:
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Assignee: Jakov Varenina
> 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
> Assignee: Jakov Varenina
> 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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