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https://issues.apache.org/jira/browse/WW-5487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17897118#comment-17897118
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Lukasz Lenart commented on WW-5487:
-----------------------------------
I think this is fixed in scope of WW-5297 and [PR
#1060|https://github.com/apache/struts/pull/1060]
> Memory leak observed in struts 6.3.0.2 when IllegalStateException thrown from
> UIBean (Struts2-core class) while accessing nonce session variable
> ------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: WW-5487
> URL: https://issues.apache.org/jira/browse/WW-5487
> Project: Struts 2
> Issue Type: Bug
> Components: Core, Core Tags
> Affects Versions: 6.3.0
> Environment: Production
> Reporter: strutswebapp
> Priority: Major
> Attachments: Apache_Leak_suspect.JPG, JIRA_APACHE_ISSUE.txt
>
>
> Memory leak observed after we upgraded struts from 2.5 to 6.3.0.2.
> IllegalStateException is being thrown from UIBean (Struts2-core class) while
> accessing nonce session variable since session has become invalid at that
> time.
> We are using struts tags like s:script in our application where some of
> generated classes while handling this exception is not releasing the earlier
> created tag objects thereby leading to memory leak.
> Previously the nonce handling in UIBean was not present.
>
> Some of the additional info will be present in attachments
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