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MongoPersistentEntityIndexCreator should not warn when auto-index-creation property is set [DATAMONGO-2435] #3247

spring-projects-issues opened this issue Dec 5, 2019 · 2 comments


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@spring-projects-issues spring-projects-issues commented Dec 5, 2019

Jochen Christ opened DATAMONGO-2435 and commented

When starting a fresh Spring Boot 2.2.1 application with Spring Data MongoDB support, then the warning appears, as soon a @Document is created with a @Index.

2019-12-04 18:52:52.161  WARN 94633 --- [           main] .m.c.i.MongoPersistentEntityIndexCreator : Automatic index creation will be disabled by default as of Spring Data MongoDB 3.x.
	Please use 'MongoMappingContext#setAutoIndexCreation(boolean)' or override 'MongoConfigurationSupport#autoIndexCreation()' to be explicit.
	However, we recommend setting up indices manually in an application ready block. You may use index derivation there as well.

	> -----------------------------------------------------------------------------------------
	> @EventListener(ApplicationReadyEvent.class)
	> public void initIndicesAfterStartup() {
	>     IndexOperations indexOps = mongoTemplate.indexOps(DomainType.class);
	>     IndexResolver resolver = new MongoPersistentEntityIndexResolver(mongoMappingContext);
	>     resolver.resolveIndexFor(DomainType.class).forEach(indexOps::ensureIndex);
	> }
	> -----------------------------------------------------------------------------------------

As the log suggest, it is now possible to explicitly enable or disable auto index creation with the property:

Example in Spring-Boot:

However, the warning still appears.
Should be changed to not show the warning, once the property is set explicitly

Affects: 2.2.3 (Moore SR3)

Reference URL: spring-projects/spring-boot#19236

Issue Links:

0 votes, 5 watchers

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@spring-projects-issues spring-projects-issues commented Feb 11, 2020

ArnauAregall commented

CC Andy Wilkinson since the issue on Github was closed without a reference to the JIRA

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@spring-projects-issues spring-projects-issues commented Mar 26, 2020

Mark Paluch commented

This logging no longer happens with Spring Data MongoDB 3.0 as automatic index creation is disabled by default and we've removed the log message

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