[jira] [Updated] (CAMEL-21435) Commons-pool2: When Camel Netty configured with producerPoolMaxTotal=1 and retry, the application hangs

[Claus Ibsen (Jira)]

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https://issues.apache.org/jira/browse/CAMEL-21435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Claus Ibsen updated CAMEL-21435:
--------------------------------
    Priority: Minor  (was: Major)

> Commons-pool2: When Camel Netty configured with producerPoolMaxTotal=1 and 
> retry, the application hangs
> -------------------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-21435
>                 URL: https://issues.apache.org/jira/browse/CAMEL-21435
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-netty
>            Reporter: Dmitrii Kriukov
>            Priority: Minor
>
> Retry on the onException() clause seems to be impossible for 
> producerPoolMaxTotal=1 (leads to call of 
> GenericObjectPoolConfig.setMaxTotal())
> This causes infinite hanging in case of network IO exceptions.
> Netty attempts to utilize a new connection when the old one is still 
> unreleased.
> It boils down to method 
> org.apache.commons.pool2.impl.GenericObjectPool::borrowObject(Duration 
> borrowMaxWaitDuration) throws Exception {}
> When producerPoolBlockWhenExhausted = true (the default value), the 
> application hangs.
> When producerPoolBlockWhenExhausted = false, I get an exception 
> 2024-11-11 13:41:44 ERROR [com.opt.obp.ser.ada.cam.Logger] (Camel Thread #2 - 
> NettyClientTCPWorker) <> Exception occurred: 
> java.util.NoSuchElementException: Pool exhausted 
> So, either way it's impossible to serve



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