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From "Lukasz Lenart (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (WW-4350) OgnlValueStack causes race condition
Date Wed, 21 May 2014 12:19:38 GMT

     [ https://issues.apache.org/jira/browse/WW-4350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lukasz Lenart updated WW-4350:
------------------------------

    Fix Version/s: 2.3.18

> OgnlValueStack causes race condition
> ------------------------------------
>
>                 Key: WW-4350
>                 URL: https://issues.apache.org/jira/browse/WW-4350
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core Actions, Value Stack
>    Affects Versions: 2.3.16.1
>            Reporter: Sergey Gromov
>             Fix For: 2.3.18
>
>
> _com.opensymphony.xwork2.ognl.accessor.CompoundRootAccessor.callMethod_ is not thread
safe because of unsynchronized reads and writes to HashMap:
> {code}
> private static Map invalidMethods = new HashMap();
> ...
> public Object callMethod(Map context, Object target, String name, Object[] objects) throws
MethodFailedException {
>     ...
>     if ((argTypes == null) || !invalidMethods.containsKey(mc)) {
>         ...
>         invalidMethods.put(mc, Boolean.TRUE);
>         ...
>     }
>     ...
> }
> {code}
> Propose to use _ConcurrentHashMap_



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