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https://issues.apache.org/jira/browse/CAMEL-11977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16236055#comment-16236055
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ASF GitHub Bot commented on CAMEL-11977:
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igorko opened a new pull request #2075: CAMEL-11977: MongoDB Tailable cursor
consumer fails to stop on shutdown
URL: https://github.com/apache/camel/pull/2075
cursor.hasNaxt() locks thread and waits for new object. Camel mongodb
component uses loop to get new cursor objects, so we can just try if next is
present without waiting for new object. tryNext() is what we need in this casre.
According to mongoBD documentation:
[](http://api.mongodb.com/java/current/com/mongodb/client/MongoCursor.html)
tryNext() A special next() case that returns the next element in the
iteration if available or null.
So after exit hook injection. when java will call
MongoDbTailingProcess.stop(), there will be no lock at
MongoDbTailingProcess.run(). so MongoDbTailingProcess instance will be stopped.
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> MongoDB Tailable cursor consumer fails to stop on shutdown
> ----------------------------------------------------------
>
> Key: CAMEL-11977
> URL: https://issues.apache.org/jira/browse/CAMEL-11977
> Project: Camel
> Issue Type: Bug
> Components: camel-mongodb
> Affects Versions: 2.20.0
> Environment: Windows 10, Java 1.8
> Reporter: Ihor Paliichuk
> Priority: Major
> Fix For: 2.20.1
>
>
> MongoDB Tailable cursor consumer fails to stop on shutdown(when using Ctrl+C)
> if collection is not empty. Routes are described in xml file.
> [Camel (...) thread #8 - ShutdownTask] INFO o.a.c.c.m.MongoDbTailingProcess
> - Stopping MongoDB Tailable Cursor consumer, bound to collection: db: ...,
> col: ...
> [Camel (...) thread #8 - ShutdownTask] INFO o.a.c.c.m.MongoDbTailingProcess
> - Going to wait for stopping
> When collection is empty, all is ok and I see next line
> [Camel (...) thread #8 - ShutdownTask] INFO o.a.c.c.m.MongoDbTailingProcess
> - Stopped MongoDB Tailable Cursor consumer, bound to collection: db: ...,
> col: ...
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