After we instrument the [AppserverRoot]/lib/appserv-rt.jar, the app server stop working and we saw
following exception on console when we tried to start the admin server:

% ./startserv
CORE1116: Sun ONE Application Server 7.0
INFO: CORE5076: Using [Java HotSpot(TM) Server VM, Version 1.4.0_02] from [Sun Microsystems Inc.]
INFO: ADM0002:System MBean initialized:[ias:type=controller]
INFO: ADM0002:System MBean initialized:[ias:type=configurator]
INFO: ADM0001:MBeanServer initialized successfully
INFO: ADM0005:Timestamp files for configuration created for:[admin-server]
INFO: ADM0005:Timestamp files for configuration created for:[server1]
INFO: ADM0102: Starting a thread for tracking manual changes
INFO: IOP5053: Received a locate request on a disabled connection. Locate requests are permitted.
INFO: JTS5014: Recoverable JTS instance, serverId = [100]
INFO: RAR5060: Install JDBC Datasources ...
INFO: JMS5015: Install JMS resources ...
INFO: WEB0100: Loading web module [adminapp:adminapp.war] in virtual server [admin-server] at [/web1]
INFO: WEB0100: Loading web module [admingui:adminGUI.war] in virtual server [admin-server] at [/admin]
SEVERE: WebModule[/admin]: Servlet /admin threw load() exception
javax.servlet.ServletException: Servlet.init() for servlet jsp threw exception
        at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:949)
        at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:813)
        at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3346)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:3592)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:638)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:345)
        at org.apache.catalina.startup.Embedded.start(Embedded.java:957)
        at com.iplanet.ias.web.WebContainer.start(WebContainer.java:426)
        at com.iplanet.ias.web.WebContainer.startInstance(WebContainer.java:514)
        at com.iplanet.ias.server.J2EERunner.confPostInit(J2EERunner.java:170)
----- Root Cause -----
java.lang.ExceptionInInitializerError
        at com.iplanet.ias.web.jsp.JspServlet.init(JspServlet.java:101)
        at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:921)
        at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:813)
        at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3346)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:3592)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:638)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:345)
        at org.apache.catalina.startup.Embedded.start(Embedded.java:957)
        at com.iplanet.ias.web.WebContainer.start(WebContainer.java:426)
        at com.iplanet.ias.web.WebContainer.startInstance(WebContainer.java:514)
        at com.iplanet.ias.server.J2EERunner.confPostInit(J2EERunner.java:170)
Caused by: java.lang.NullPointerException
        at org.apache.jasper.logging.DefaultLogger._jcov_X_gather(DefaultLogger.java)
        at org.apache.jasper.logging.DefaultLogger.<init>(DefaultLogger.java:84)
        at org.apache.jasper.logging.Logger.<clinit>(Logger.java:99)
        ... 13 more

SEVERE: WebModule[/web1]: Servlet /web1 threw load() exception
javax.servlet.ServletException: Servlet.init() for servlet jsp threw exception
        at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:949)
        at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:813)
        at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3346)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:3592)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:638)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:345)
        at org.apache.catalina.startup.Embedded.start(Embedded.java:957)
        at com.iplanet.ias.web.WebContainer.start(WebContainer.java:426)
        at com.iplanet.ias.web.WebContainer.startInstance(WebContainer.java:514)
        at com.iplanet.ias.server.J2EERunner.confPostInit(J2EERunner.java:170)
----- Root Cause -----
java.lang.NoClassDefFoundError
        at com.iplanet.ias.web.jsp.JspServlet.init(JspServlet.java:101)
        at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:921)
        at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:813)
        at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3346)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:3592)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:638)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:345)
        at org.apache.catalina.startup.Embedded.start(Embedded.java:957)
        at com.iplanet.ias.web.WebContainer.start(WebContainer.java:426)
        at com.iplanet.ias.web.WebContainer.startInstance(WebContainer.java:514)
        at com.iplanet.ias.server.J2EERunner.confPostInit(J2EERunner.java:170)

INFO: HTTP3072: HTTP listener http-listener-1 [http://shinnecock:4848] ready to accept requests
startup: server started successfully

###@###.### 2002-12-19