Check the classes
Application Information  
App Server Host Name: server.dea42.org
App Server Host Ip: 216.137.187.114
Servlet Path: /opt/apache-tomcat-9.0.46/webapps/ROOT/hc/secure/info.jsp
Server Info: Apache Tomcat/9.0.46
Request Information:
Request method GET
Request URI /hc/secure/info.jsp
Request protocol HTTP/1.1
Servlet path /hc/secure/info.jsp
Path info null
Path translated null
Query string null
Content length -1
Content type null
Server name localhost
Server port 8080
Remote user null
Remote address 127.0.0.1
Remote host 127.0.0.1
Authorization scheme null
Can see jars: commons_beanutils
activation.jar
castor-1.2.jar
commons-beanutils.jar
commons-collections.jar
commons-digester.jar
commons-fileupload.jar
commons-logging.jar
commons-net-1.3.0.jar
commons-validator.jar
dom.jar
jakarta-oro.jar
jaxp-api.jar
jcommon-1.0.0.jar
jfreechart-1.0.0.jar
jstl.jar
log4j-1.2.13.jar
mail.jar
mysql-connector-java-3.1.10-bin.jar
resolver.jar
saaj-api.jar
saaj-impl.jar
sax.jar
saxpath.jar
serializer.jar
standard.jar
struts.jar
xalan.jar
xerces-2.6.2.jar
xercesImpl.jar
xmlsec.jar

Mapped Servlets:
web.xml: /opt/apache-tomcat-9.0.46/webapps/ROOT/WEB-INF/web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="http://java.sun.com/xml/ns/javaee" xmlns:jsp="http://java.sun.com/xml/ns/javaee/jsp"
	xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	id="WebApp_ID" version="2.5">
	<display-name>dea42.com</display-name>
	<description>
		dea42 web apps.
	</description>

	<servlet>
		<servlet-name>action</servlet-name>
		<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
		<init-param>
			<param-name>config</param-name>
			<param-value>/WEB-INF/struts-config.xml</param-value>
		</init-param>
		<init-param>
			<param-name>debug</param-name>
			<param-value>2</param-value>
		</init-param>
		<init-param>
			<param-name>detail</param-name>
			<param-value>2</param-value>
		</init-param>
		<load-on-startup>2</load-on-startup>
	</servlet>

	<servlet-mapping>
		<servlet-name>action</servlet-name>
		<url-pattern>*.do</url-pattern>
	</servlet-mapping>
	<servlet>
		<servlet-name>searchAlbumServlet</servlet-name>
		<servlet-class>dea.albums.SearchPicsServlet</servlet-class>
		<load-on-startup>2</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>searchAlbumServlet</servlet-name>
		<url-pattern>/searchAlbumServlet</url-pattern>
	</servlet-mapping>
	<servlet>
		<servlet-name>updateHcServlet</servlet-name>
		<servlet-class>dea.hc.UpdateHcServlet</servlet-class>
	</servlet>
	<servlet-mapping>
		<servlet-name>updateHcServlet</servlet-name>
		<url-pattern>/updateHcServlet</url-pattern>
	</servlet-mapping>
	<servlet>
		<servlet-name>MySpaceTrackerServlet</servlet-name>
		<servlet-class>dea.webUtils.MySpaceTrackerServlet</servlet-class>
	</servlet>
	<servlet-mapping>
		<servlet-name>MySpaceTrackerServlet</servlet-name>
		<url-pattern>/MySpace.jpg</url-pattern>
	</servlet-mapping>
	<servlet>
		<servlet-name>CherryTapTrackerServlet</servlet-name>
		<servlet-class>dea.webUtils.CherryTapTrackerServlet</servlet-class>
	</servlet>
	<servlet-mapping>
		<servlet-name>CherryTapTrackerServlet</servlet-name>
		<url-pattern>/CherryTap.jpg</url-pattern>
	</servlet-mapping>
	<servlet>
		<servlet-name>homeController</servlet-name>
		<servlet-class>dea.hc.UpdateHcServlet</servlet-class>
		<load-on-startup>2</load-on-startup>
	</servlet>
	<servlet>
		<servlet-name>LastBarncamServlet</servlet-name>
		<servlet-class>dea.webUtils.LastBarncamServlet</servlet-class>
	</servlet>
	<servlet-mapping>
		<servlet-name>LastBarncamServlet</servlet-name>
		<url-pattern>/Barncam.jpg</url-pattern>
	</servlet-mapping>
	<servlet>
		<servlet-name>ViewObjShort</servlet-name>
		<servlet-class>dea.albums.ViewObjShort</servlet-class>
	</servlet>
	<servlet-mapping>
		<servlet-name>ViewObjShort</servlet-name>
		<url-pattern>/o</url-pattern>
	</servlet-mapping>
	<servlet>
		<servlet-name>albumUpdate</servlet-name>
		<servlet-class>dea.albums.UpdateLinkCountsServlet</servlet-class>
	</servlet>
	<servlet-mapping>
		<servlet-name>albumUpdate</servlet-name>
		<url-pattern>/albumUpdate</url-pattern>
	</servlet-mapping>
	<servlet>
		<servlet-name>showLog</servlet-name>
		<servlet-class>dea.webUtils.ShowLogServlet</servlet-class>
	</servlet>
	<servlet-mapping>
		<servlet-name>showLog</servlet-name>
		<url-pattern>/showLog</url-pattern>
	</servlet-mapping>
	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
		<welcome-file>index.php</welcome-file>
		<welcome-file>index.html</welcome-file>
	</welcome-file-list>
	<jsp-config>
		<taglib>
			<taglib-uri>https://taglib.dea42.org/dea</taglib-uri>
			<taglib-location>/WEB-INF/dea.tld</taglib-location>
		</taglib>
		<taglib>
			<taglib-uri>/tags/struts-bean</taglib-uri>
			<taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
		</taglib>
		<taglib>
			<taglib-uri>/tags/struts-html</taglib-uri>
			<taglib-location>/WEB-INF/struts-html.tld</taglib-location>
		</taglib>
		<taglib>
			<taglib-uri>/tags/struts-logic</taglib-uri>
			<taglib-location>/WEB-INF/struts-logic.tld</taglib-location>
		</taglib>
		<taglib>
			<taglib-uri>/tags/struts-nested</taglib-uri>
			<taglib-location>/WEB-INF/struts-nested.tld</taglib-location>
		</taglib>
		<taglib>
			<taglib-uri>/tags/struts-tiles</taglib-uri>
			<taglib-location>/WEB-INF/struts-tiles.tld</taglib-location>
		</taglib>
	</jsp-config>
</web-app>

Java System Properties
java.vendor Red Hat, Inc.
sun.java.launcher SUN_STANDARD
catalina.base /opt/apache-tomcat-9.0.46
sun.management.compiler HotSpot 64-Bit Tiered Compilers
catalina.useNaming true
os.name Linux
sun.boot.class.path /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.342.b07-1.el7_9.x86_64/jre/lib/resources.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.342.b07-1.el7_9.x86_64/jre/lib/rt.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.342.b07-1.el7_9.x86_64/jre/lib/sunrsasign.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.342.b07-1.el7_9.x86_64/jre/lib/jsse.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.342.b07-1.el7_9.x86_64/jre/lib/jce.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.342.b07-1.el7_9.x86_64/jre/lib/charsets.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.342.b07-1.el7_9.x86_64/jre/lib/jfr.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.342.b07-1.el7_9.x86_64/jre/classes
java.util.logging.config.file /opt/tomcat/conf/logging.properties
java.vm.specification.vendor Oracle Corporation
java.runtime.version 1.8.0_342-b07
user.name tomcat
tomcat.util.scan.StandardJarScanFilter.jarsToScan log4j-taglib*.jar,log4j-web*.jar,log4javascript*.jar,slf4j-taglib*.jar
shared.loader
tomcat.util.buf.StringCache.byte.enabled true
user.language en
java.naming.factory.initial org.apache.naming.java.javaURLContextFactory
sun.boot.library.path /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.342.b07-1.el7_9.x86_64/jre/lib/amd64
com.zaxxer.hikari.pool_number 2
PID 867
jdk.tls.ephemeralDHKeySize 2048
java.version 1.8.0_342
java.util.logging.manager org.apache.juli.ClassLoaderLogManager
user.timezone GMT-05:00
sun.arch.data.model 64
java.util.concurrent.ForkJoinPool.common.threadFactory org.apache.catalina.startup.SafeForkJoinWorkerThreadFactory
java.endorsed.dirs /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.342.b07-1.el7_9.x86_64/jre/lib/endorsed
sun.cpu.isalist
sun.jnu.encoding ANSI_X3.4-1968
file.encoding.pkg sun.io
package.access sun.,org.apache.catalina.,org.apache.coyote.,org.apache.jasper.,org.apache.tomcat.
file.separator /
java.specification.name Java Platform API Specification
java.class.version 52.0
user.country US
java.home /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.342.b07-1.el7_9.x86_64/jre
java.vm.info mixed mode
os.version 3.10.0
sun.font.fontmanager sun.awt.X11FontManager
path.separator :
java.vm.version 25.342-b07
java.protocol.handler.pkgs org.apache.catalina.webresources
java.awt.printerjob sun.print.PSPrinterJob
sun.io.unicode.encoding UnicodeLittle
awt.toolkit sun.awt.X11.XToolkit
package.definition sun.,java.,org.apache.catalina.,org.apache.coyote.,org.apache.jasper.,org.apache.naming.,org.apache.tomcat.
java.naming.factory.url.pkgs org.apache.naming
user.home /home/tomcat
org.apache.catalina.security.SecurityListener.UMASK 0027
java.specification.vendor Oracle Corporation
tomcat.util.scan.StandardJarScanFilter.jarsToSkip annotations-api.jar,ant-junit*.jar,ant-launcher.jar,ant.jar,asm-*.jar,aspectj*.jar,bootstrap.jar,catalina-ant.jar,catalina-ha.jar,catalina-ssi.jar,catalina-storeconfig.jar,catalina-tribes.jar,catalina.jar,cglib-*.jar,cobertura-*.jar,commons-beanutils*.jar,commons-codec*.jar,commons-collections*.jar,commons-daemon.jar,commons-dbcp*.jar,commons-digester*.jar,commons-fileupload*.jar,commons-httpclient*.jar,commons-io*.jar,commons-lang*.jar,commons-logging*.jar,commons-math*.jar,commons-pool*.jar,dom4j-*.jar,easymock-*.jar,ecj-*.jar,el-api.jar,geronimo-spec-jaxrpc*.jar,h2*.jar,hamcrest-*.jar,hibernate*.jar,httpclient*.jar,icu4j-*.jar,jasper-el.jar,jasper.jar,jaspic-api.jar,jaxb-*.jar,jaxen-*.jar,jdom-*.jar,jetty-*.jar,jmx-tools.jar,jmx.jar,jsp-api.jar,jstl.jar,jta*.jar,junit-*.jar,junit.jar,log4j*.jar,mail*.jar,objenesis-*.jar,oraclepki.jar,oro-*.jar,servlet-api-*.jar,servlet-api.jar,slf4j*.jar,taglibs-standard-spec-*.jar,tagsoup-*.jar,tomcat-api.jar,tomcat-coyote.jar,tomcat-dbcp.jar,tomcat-i18n-*.jar,tomcat-jdbc.jar,tomcat-jni.jar,tomcat-juli-adapters.jar,tomcat-juli.jar,tomcat-util-scan.jar,tomcat-util.jar,tomcat-websocket.jar,tools.jar,websocket-api.jar,wsdl4j*.jar,xercesImpl.jar,xml-apis.jar,xmlParserAPIs-*.jar,xmlParserAPIs.jar,xom-*.jar
java.library.path /usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
java.vendor.url https://www.redhat.com/
spring.beaninfo.ignore true
java.vm.vendor Red Hat, Inc.
common.loader "${catalina.base}/lib","${catalina.base}/lib/*.jar","${catalina.home}/lib","${catalina.home}/lib/*.jar"
java.runtime.name OpenJDK Runtime Environment
sun.java.command org.apache.catalina.startup.Bootstrap start
java.class.path /opt/tomcat/bin/bootstrap.jar:/opt/tomcat/bin/tomcat-juli.jar
java.vm.specification.name Java Virtual Machine Specification
java.vm.specification.version 1.8
catalina.home /opt/apache-tomcat-9.0.46
sun.cpu.endian little
sun.os.patch.level unknown
java.awt.headless true
java.io.tmpdir /opt/tomcat/temp
java.vendor.url.bug https://bugzilla.redhat.com/enter_bug.cgi?product=Red%20Hat%20Enterprise%20Linux%207&component=java-1.8.0-openjdk
server.loader
os.arch amd64
java.awt.graphicsenv sun.awt.X11GraphicsEnvironment
java.ext.dirs /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.342.b07-1.el7_9.x86_64/jre/lib/ext:/usr/java/packages/lib/ext
user.dir /
line.separator
java.vm.name OpenJDK 64-Bit Server VM
ignore.endorsed.dirs
file.encoding ANSI_X3.4-1968
java.specification.version 1.8