An invalid listener class aa....aa is specified. (J2EE application = bb....bb, context root = cc....cc)

aa....aa: Listener class name
bb....bb: The J2EE application name in the case of the J2EE server mode, and a null character string in the case of the servlet engine mode
cc....cc: Context root name

Description

An invalid listener class (aa....aa) is specified. The listener class must implement one or more of the following interfaces, and must have a constructor without any arguments.

If the version of the Web application is Servlet 2.3, the listener must not implement an interface added from Servlet 2.4.

When the Web application starts, the processing will be interrupted.

During reload, this listener will be ignored, and then the reload processing will continue.

When the Web application version is Servlet 2.4 or later

javax.servlet.ServletContextListener

javax.servlet.ServletContextAttributeListener

javax.servlet.http.HttpSessionListener

javax.servlet.http.HttpSessionAttributeListener

javax.servlet.ServletRequestListener

javax.servlet.ServletRequestAttributeListener

When the Web application version is Servlet 2.3

javax.servlet.ServletContextListener

javax.servlet.ServletContextAttributeListener

javax.servlet.http.HttpSessionListener

javax.servlet.http.HttpSessionAttributeListener

Action

Include the appropriate listener classes in the Web application.

Correct the error location, and then update the Web application.

In the case of the J2EE server mode

If the reload functionality of the J2EE application is being used, either reload or redeploy.

If the reload functionality of the J2EE application is not being used, redeploy.

If the JSP pre-compile functionality used during application startup is executed and this message is output, re-execute the JSP pre-compile functionality used during application startup.

In the case of the servlet engine mode

When the application update detection and the reload functionality are being used, either reload or redeploy.

When the application update detection and the reload functionality are not being used, redeploy.