Migration from Jongo to Kmongo in a spring-boot application

[V. Sevel]

Hello,

I was using Jongo within a spring-boot application.

Recently I updated this application with the latest version of spring-boot and Jongo.

And my application is still running fine.

Jongo is not very active and still on the mongodb java driver 3.

So since I am using Kotlin in this application now. I would like to use Kmongo instead of Jongo. I have lots of  Mongo shell queries.

I did the upgrade but I am running into problems.

My application is starting but I have to disable all my breakpoint to see the port 8080 open.

And my cpu goes up...and my REST queries cannot go through. 

If I activate my breakpoints again, I never go to my controller.

I do not use mongo spring data.

and I disabled mongodb auto configuration.

@SpringBootApplication(exclude = [MongoAutoConfiguration::class, MongoDataAutoConfiguration::class, MongoReactiveAutoConfiguration::class])

Previously I excluded only MongoAutoConfiguration, but I did also try to with the 2 others classes to check if it will be better.

In my pom.xml, I am using:

<dependency>
<groupId>org.litote.kmongo</groupId>
<artifactId>kmongo</artifactId>
<version>${kmongo.version}</version>
</dependency>

<dependency>
<groupId>org.mongodb</groupId>
<artifactId>mongodb-driver-core</artifactId>
<version>${mongo-java-driver.version}</version>
</dependency>

<dependency>
<groupId>org.mongodb</groupId>
<artifactId>mongodb-driver-sync</artifactId>
<version>${mongo-java-driver.version}</version>
</dependency>

with 

<kmongo.version>4.1.3</kmongo.version>
<mongo-java-driver.version>4.0.5</mongo-java-driver.version>

Do you have any ideas why ?

Thanks,

Valérie

[zigzago]

Hello,

I'm not a Spring boot expert but look at this answer https://stackoverflow.com/questions/40745157/spring-boot-starter-web-tries-to-connect-to-mongo-at-startup

By the way kmongo 4.1.3 uses 4.1.x driver version. You can remove all mongo dependencies except KMongo.

HTH