JSP pages do not work after redeployment of VIVO

[litvinovg]

Describe the bug
After some redeployments of VIVO application on the same tomcat instance ontology editor pages do not work anymore.
The pages below that are affected by this issue display blank content:
/ontologyEdit?uri=http%3A%2F%2Fpurl.org%2Fontology%2Fbibo%2F
/vclassEdit?uri=http%3A%2F%2Fvivoweb.org%2Fontology%2Fcore%23AcademicDegree
/propertyEdit?uri=http%3A%2F%2Fpurl.org%2Fontology%2Fbibo%2Fannotates
/datapropEdit?uri=http%3A%2F%2Fpurl.org%2Fontology%2Fbibo%2Fabstract

To summarize all JSP code processing doesn't work in case the issue appears.

Might be related to the memory leak described in #4048
To Reproduce
The issue appears stochastically. It was noticed on multiple servers and local VIVO deployments in different environments with different versions of Tomcat, but always after some redeployments of VIVO application on the same Tomcat.

Workaround
Once issue appear redeployment of VIVO will doesn't help, the only solution is to restart Tomcat application server

Screenshots

Environment:

• OS: Linux Debian 12
• Browser Firefox
• Tomcat version 9.0.67
• VIVO version 1.15.1-SNAPSHOT (VIVO commit, Vitro commit)
• Apache Solr

Logs related to the issue

vivo-all.log

localhost.2025-02-11.log

catalina.out.txt