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https://issues.apache.org/jira/browse/WW-5115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17331908#comment-17331908
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Yasser Zamani commented on WW-5115:
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{quote}otherwise it logs it in isExcluded(String){quote}
It logs only when it matches exclude pattern but as far as I see,
{{action:myAction!save}} shouldn't match exclude patterns, does it?
Furthermore please note that in this ticket's description, you've mentioned
{{Parameter [action:myAction!save] didn't match accepted pattern [[\w+((\.\w}}
log which isn't related to exclude pattern at all. And it reveals that DMI
isn't enabled at all there, as I said earlier.
Could you please check if you see [this log here at this
link|https://github.com/apache/struts/blob/8a26c0d753c3a94d9e5e774c5109f59a5e3d79d6/core/src/main/java/com/opensymphony/xwork2/security/DefaultAcceptedPatternsChecker.java#L57]
emerges in your output at all in DEBUG level?
> Reduce logging for DMI excluded parameters
> -------------------------------------------
>
> Key: WW-5115
> URL: https://issues.apache.org/jira/browse/WW-5115
> Project: Struts 2
> Issue Type: Improvement
> Components: Core
> Affects Versions: 2.5.25
> Reporter: Greg Huber
> Priority: Minor
> Fix For: 2.5.27, 2.6
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> There are unnecessary log warning when DMI is enabled, from the
> ParametersInterceptor.
> WARN com.opensymphony.xwork2.interceptor.ParametersInterceptor
> ParametersInterceptor:isAccepted - Parameter [action:myAction!save] didn't
> match accepted pattern
> [[\w+((\.\w+)|(\[\d+])|(\(\d+\))|(\['(\w|[\u4e00-\u9fa5])+'])|(\('(\w|[\u4e00-\u9fa5])+'\)))*]]!
> See Accepted / Excluded patterns at
> https://struts.apache.org/security/#accepted--excluded-patterns
> eg the property 'action:myAction!save' should not be considered as a
> bean/property parameter, as its used as part of DMI to submit the form.
> Any property which matches the DMI method invocation "^(action|method):.*"
> needs to be silently ignored and not logged in devMode=true.
> DMI_AWARE_ACCEPTED_PATTERNS can also be dropped from
> DefaultAcceptedPatternsChecker as the DMI action|method would never be a form
> property.
> public static final String[] DMI_AWARE_ACCEPTED_PATTERNS = {
>
> "\\w+([:]?\\w+)?((\\.\\w+)|(\\[\\d+])|(\\(\\d+\\))|(\\['(\\w|[\\u4e00-\\u9fa5])+'])|(\\('(\\w|[\\u4e00-\\u9fa5])+'\\)))*([!]?\\w+)?"
> };
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