The error is not related to "Class not found". It is an error regarding the log handler configuration. There must be something wrong in your log configuration.
Sincerely, *Rick Qin* On Sat, Apr 12, 2025, 01:39 Mike Elliott <m...@m79.net> wrote: > Hi - > I'm using JBoss as my web server. While working on a web application in > NetBeans the following exception appears: > > *Failed to read or configure the org.jboss.logmanager.LogManager* > *java.lang.IllegalArgumentException: Failed to instantiate class > "org.jboss.logmanager.handlers.PeriodicRotatingFileHandler" for handler > "FILE"* > > I know where this class is found, it's in > /home/wildfly/bin/client/jboss-cli-client.jar > > So how do I make NetBeans aware of it? > > ============================ > Mike Elliott m...@m79.net > ============================ >