[jboss-jira] [JBoss JIRA] (WFLY-4962) WildFly 8.2.0.Final runs into OOME quickly

[Rakesh K. Cherukuri (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-4962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13091879#comment-13091879 ] 

Rakesh K. Cherukuri commented on WFLY-4962:
-------------------------------------------

Thanks Jaikiran.

Here are the findings so far.

Scenario 1:       jdk1.7.0_67_64bit               Jboss 7.1.1 Final
Scenario 2:       jdk1.8.0_45_64bit               Wildfly 9.0.0 Final
  Issue is NOT present. Both MAT and JConsole confirmed that the request attributes data is reclaimed.

I can confirm that with Wildfly 8.2.0 Final, issue is reproducible. Some observations.

 - Explicit GCing did NOT clear the data
 - After approximately 300 seconds, running GC cleared the data.

Is there a time configuration option or something to clear the data in 8.2.0?

Upgrading to new wildfly releases is ruled out in our case. That said we are tied to 8.2.0 Final and it would be of great help if you can point me to any patch/fix in wildfly code.

> WildFly 8.2.0.Final runs into OOME quickly
> ------------------------------------------
>
>                 Key: WFLY-4962
>                 URL: https://issues.jboss.org/browse/WFLY-4962
>             Project: WildFly
>          Issue Type: Bug
>          Components: Web (Undertow)
>    Affects Versions: 8.2.0.Final
>         Environment:   WildFly 8.2.0.Final
>   Linux/Unix
>   jdk1.8.0_45_64bit
>            Reporter: Rakesh K. Cherukuri
>            Assignee: Remy Maucherat
>         Attachments: test-oom.war, visualvm.png
>
>
> Issue:
>   Wildfly runs into OOME with a basic servlet
> Cause (possible):
>   Data set in request as attributes is not getting freedup. It eventually eats up heap leading to OOME
> Please note that for the reproduction scenario i have attached a WAR with a simple servlet. But its the same issue in our production build too. We upgraded to Wildfly 8.2.0 Final few weeks back.



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