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https://issues.apache.org/jira/browse/CAMEL-21735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17925954#comment-17925954
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Luis Sergio Faria Carneiro commented on CAMEL-21735:
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Yes, the extension creates a default Mongo client which is injected into the
component. What made me open this issue in the core project is the
doStart/resolveMongoConnection methods at the
[MongoDbEndpoint|https://github.com/apache/camel/blob/main/components/camel-mongodb/src/main/java/org/apache/camel/component/mongodb/MongoDbEndpoint.java#L422]
class.
In those methods, if any connection is autowired into the component, it takes
precedence over the parameters defined at the endpoint level.
There's also the *connectionBean* path parameter, which has a lower precedence
over the hosts configuration, per the
[docs.|https://camel.apache.org/components/4.8.x/mongodb-component.html#_endpoint_path_option_connectionBean]
So at the end connections can be defined in three ways:
# autowiring a MongoDBClient;
# defining a bean and referencing it with the connectionBean path parameter;
# defining connection data with the hosts and other endpoint parameters;
#3 takes precedence over #2, but not over #1.
It that's expected, we can close this as Not a bug.
> MongoDB component connecting to localhost event if connection data is set
> -------------------------------------------------------------------------
>
> Key: CAMEL-21735
> URL: https://issues.apache.org/jira/browse/CAMEL-21735
> Project: Camel
> Issue Type: Bug
> Components: camel-mongodb
> Affects Versions: 4.8.0
> Reporter: Luis Sergio Faria Carneiro
> Priority: Major
>
> I'm trying to use the MongoDB component within a Camel K integration. And the
> code is as following:
> {code:java}
> - to:
> uri: mongodb:dummy
> parameters:
> operation: findAll
> collection: environment
> database: environments
> username: someuser
> password: somepass
> hosts: somehost:27017{code}
> Although the connection parameters are set, I see component trying to connect
> to 127.0.0.1:27017.
> Debugging the source code and checking the log, I see the component is using
> an autowired client which is configured to localhost instead of creating a
> new client from my parameters.
> I haven't configured any beans.
> But anyways, shoudn't the endpoint parameters take precedence over any
> pre-configured bean which I'm not even aware of?
>
>
>
>
>
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