Last weekend, I performed a firmware and management software upgrade and I encountered this one. It took me some hours of troubleshooting, logfile checks, uninstall-clean-install scenario’s. Eventually I decided to open a case at HP Support to get this resolved.
In one of the logfiles they noticed this logentry:
mrt 24, 2013 7:36:58 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
SEVERE: A web application created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@158a9b]) and a value of type [org.dom4j.DocumentFactory] (value [org.dom4j.DocumentFactory@3f02ae]) but failed to remove it when the web application was stopped. To prevent a memory leak, the ThreadLocal has been forcibly removed.
They recommended me to perform an uninstall and entire cleanup scenario to solve this. Below is the procedure provided by HP Support.