[jira] [Commented] (WW-4999) Can't get OgnlValueStack log even if enable logMissingProperties

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    [ https://issues.apache.org/jira/browse/WW-4999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16849721#comment-16849721 ] 

ASF GitHub Bot commented on WW-4999:
------------------------------------

yasserzamani commented on pull request #357: WW-4999 honor logMissingProperties on findValue as well
URL: https://github.com/apache/struts/pull/357
 
 
   
 
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> Can't get OgnlValueStack log even if enable logMissingProperties
> ----------------------------------------------------------------
>
>                 Key: WW-4999
>                 URL: https://issues.apache.org/jira/browse/WW-4999
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Value Stack
>    Affects Versions: 2.5.17
>            Reporter: Quincy Qu
>            Assignee: Yasser Zamani
>            Priority: Major
>             Fix For: 2.5.21, 2.6
>
>
> I'm in devMode, enabled logMissingProperties and expect to see missing property warning in the log. I was surprised that I can't get the missing property log even if logMissingProperties is set true. The application run smoothly and skip the missing property - as expected though.
> In another run, I enabled both logMissingProperties and throwExceptionOnFailure. This time the application crash at the missing property and I can get both logs and exception.
> After I dive deeper using debugger, I convince myself the config is good, since devMode and logMissingProperties are true at runtime in OgnlValueStack.
> I was confused, why we can't get missing property log without throwing OgnlException? 
> Are we able to enter handleOgnlException(String expr, boolean throwExceptionOnFailure, OgnlException e)  at all if throwExceptionOnFailure is false, in which my expected log is written?



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