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https://issues.apache.org/jira/browse/CALCITE-6517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde updated CALCITE-6517:
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Component/s: mongodb-adapter
> “calcite-mongodb” can not close MongoClient, and thread will be leaked
> -----------------------------------------------------------------------
>
> Key: CALCITE-6517
> URL: https://issues.apache.org/jira/browse/CALCITE-6517
> Project: Calcite
> Issue Type: Improvement
> Components: mongodb-adapter
> Reporter: Dirk Zhou
> Priority: Minor
> Attachments: image-2024-08-06-16-27-11-691.png
>
>
> in my code ：
>
> {code:java}
> Schema schema = new MongoSchemaFactory().create(rootSchema, "schema1",
> config);
> calciteConn.getRootSchema().add( "schema1", schema);
> {code}
>
> calciteConn is {*}org.apache.calcite.jdbc.CalciteConnection{*}.
> *MongoSchemaFactory* will create *MongoSchema*
> when calciteConn.close(), the *MongoClient* created in
> "{*}org.apache.calcite.adapter.mongodb.MongoSchema{*}" is not closed, the
> thread of "{*}com.mongodb.internal.connection.DefaultServerMonitor{*}" will
> be leaked.
> {color:#4c9aff}*_My advice:_*{color}
> The local variable *“mongo”* is modified to be a *instance variable* ，and
> provide getter. This way, when close {*}CalciteConnection{*}, also get
> *MongoClient* and close it.
> *!image-2024-08-06-16-27-11-691.png|width=978,height=521!*
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