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Posted to issues@struts.apache.org by "Yasser Zamani (JIRA)" <ji...@apache.org> on 2019/02/03 14:18:00 UTC
[jira] [Assigned] (WW-5009) EmptyStackException in JSON plugin due
to concurrency
[ https://issues.apache.org/jira/browse/WW-5009?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yasser Zamani reassigned WW-5009:
---------------------------------
Assignee: Aleksandr Mashchenko (was: Yasser Zamani)
> EmptyStackException in JSON plugin due to concurrency
> -----------------------------------------------------
>
> Key: WW-5009
> URL: https://issues.apache.org/jira/browse/WW-5009
> Project: Struts 2
> Issue Type: Bug
> Components: Plugin - JSON
> Affects Versions: 2.5.20
> Environment: JDK 1.8_0_191
> Tomcat 9.0.12
> Reporter: Eduardo Quintanilla
> Assignee: Aleksandr Mashchenko
> Priority: Critical
> Labels: json, json-rpc
> Fix For: 2.5.21, 2.6
>
> Attachments: logs.txt, struts-json-example-master.zip
>
>
> EmptyStackException in JSON plugin due to concurrency
> Note: The issue was found in an app that was upgraded from version 2.3.34
> Logs: [^logs.txt]
> I created a sample application that should help reproducing the error.
> [^struts-json-example-master.zip]
> The error happened opening the app (localhost/struts-json-example) in 4 different browsers / sessions.
> As a workaround I have overridden the JSONInterceptor so a new instance of JSONUtil is used with every request and the issue is not happening anymore. I suppose there is a performance cost with that change but for now it works.
>
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