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https://issues.apache.org/jira/browse/WW-5630?focusedWorklogId=1024725&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-1024725
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ASF GitHub Bot logged work on WW-5630:
--------------------------------------
Author: ASF GitHub Bot
Created on: 11/Jun/26 16:33
Start Date: 11/Jun/26 16:33
Worklog Time Spent: 10m
Work Description: brianandle commented on PR #1721:
URL: https://github.com/apache/struts/pull/1721#issuecomment-4682761044
@lukaszlenart I believe I've resolved all the concerns you raised and added
additional UTs as well.
-------------------------------------------------------------------------------
Test set: org.apache.struts2.util.ConfigParseUtilTest
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Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 s
Issue Time Tracking
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Worklog Id: (was: 1024725)
Time Spent: 0.5h (was: 20m)
> Performance Issue SecurityMemberAccess
> --------------------------------------
>
> Key: WW-5630
> URL: https://issues.apache.org/jira/browse/WW-5630
> Project: Struts 2
> Issue Type: Bug
> Components: Value Stack
> Environment: Payara 7
> Reporter: Jose Miguel
> Priority: Major
> Fix For: 6.11.0, 7.2.0
>
> Attachments: image-2026-05-20-16-37-00-000.png
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> The Security hardening introduced some performance issues in a system
> multibranch (payara) where one single action is used to process thousand of
> files per minute. The action is using exctly same calls, parameters, and
> classes every call.
> Every call is loading classes, so, blocks the ClassLoader as can be seen in
> JDK Mission Control.
> There's no way to avoid this issue, played with several confi parameters,
> with no luck.
> Checking code, is not cached, it's suggested to cache The validation of
> classes, to avoid validate again and again the same class. the classes
> mostly validated again and again are: java.lang.Process
> org.apache.struts2.ActionContext
> java.lang.Runtime
> java.lang.Thread
> java.lang.ThreadLocal
>
> public static Set<Class<?>> validateClasses(Set<String> classNames,
> ClassLoader validatingClassLoader) throws ConfigurationException {
> Set<Class<?>> classes = new HashSet<>();
> for (String className : classNames) {
> try {
> classes.add(validatingClassLoader.loadClass(className));
> } catch (ClassNotFoundException e) {
> throw new ConfigurationException("Cannot load class for exclusion/exemption
> configuration: " + className, e);
> }
> }
> return classes;
> }
>
> !image-2026-05-20-16-37-00-000.png!
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