Michael Sebastian created WW-3971:
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Summary: Struts 2.3.8 threads BLOCKED in
com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration
Key: WW-3971
URL: https://issues.apache.org/jira/browse/WW-3971
Project: Struts 2
Issue Type: Bug
Components: XML Configuration
Affects Versions: 2.3.8
Environment: apache-tomcat-6.0.32, jdk1.6.0_27, devMode set to false.
Reporter: Michael Sebastian
While load testing a web application on Tomcat 6 using Struts 2.3.8 version.
devMode is set to false.
Found lot of BLOCKED threads in this method:
com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration()
This is causing high CPU usage for the application. also found that
com.opensymphony.xwork2.config.ConfigurationManager.conditionalRelad is taking
time which causes getconfiguration (synchronized) to queue up for processing.
This happens when concurrent users are above 100.
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