Struts contention on WebCtxLoader
Issue
- We use struts and see heavy thread contention on a WebCtxLoader$ENCLoader, for example:
"ajp-10.207.30.181-8009-408" daemon prio=10 tid=0x00002aaabc048800 nid=0xd96 waiting for monitor entry [0x00000000732c8000]
java.lang.Thread.State: BLOCKED (on object monitor)
at java.lang.ClassLoader.loadClass(ClassLoader.java:291)
- waiting to lock <0x000000070d46dee8> (a org.jboss.web.tomcat.service.WebCtxLoader$ENCLoader)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at org.apache.struts.util.RequestUtils.applicationClass(RequestUtils.java:117)
at org.apache.struts.util.RequestUtils.canReuseActionForm(RequestUtils.java:248)
at org.apache.struts.util.RequestUtils.createActionForm(RequestUtils.java:183)
at org.apache.struts.action.RequestProcessor.processActionForm(RequestProcessor.java:331)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:202)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
Environment
- JBoss Enterprise Application Platform (EAP)
- Struts
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
