[jira] [Commented] (SOLR-15518) Jetty QTP Thread leaks, may update Jetty to 9.4.42+

["Surya Kathiravan (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-15518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17455965#comment-17455965 ] 

Surya Kathiravan commented on SOLR-15518:
-----------------------------------------

We are facing the exact issue and using Jetty version 9.4.41. Is this bug resolved in 9.4.42+? Please confirm ASAP so we can upgrade it and check it?

> Jetty QTP Thread leaks,  may update Jetty to 9.4.42+
> ----------------------------------------------------
>
>                 Key: SOLR-15518
>                 URL: https://issues.apache.org/jira/browse/SOLR-15518
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 8.8
>            Reporter: Emmanuel Gosse
>            Priority: Major
>         Attachments: image-2021-07-17-07-55-44-403.png, image-2021-07-17-08-01-03-823.png
>
>
> Hi,
> As mentioned in this Jetty issue description, [https://github.com/eclipse/jetty.project/issues/6323,]
> I can attest that I met this bug in SolR 8.8.0 : index files locked (in DEL mode : cf LSOF) by qtp threads staying in TIME WAITING forever.
> As this threads won't recover if there is a constant load (a pause in the calls allows qtp pool to free them), servers go to crash because of a memory leaks that stay attached to this threads.
>  
> So good news, Jetty seems to have fixed it, I've tested with Jetty 9.4.42 and I can confirm that I can't reproduce it anymore.
>  
> With all the successive upgrades of Jetty libs, it's difficult to determine which Solr version 
> it started from.
> Jetty 9.4.11 seems to be good.
> Jetty 9.4.34 and 9.4.41 own the bug.
>  
> Emmanuel
>  



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