refactored to not use ubuntu packages, but raw packages

Dockerfile

@@ -1,32 +1,61 @@
 
 FROM ubuntu:${ubuntu.version}
 
-RUN apt update
+# Configure the Apache Tomcat Catalina script
-RUN apt -y install openjdk-${java.majorVersion}-jdk
-RUN apt -y install tomcat${tomcat.majorVersion}
-
 ENV JAVA_MEMORY_INIT=128m
 ENV JAVA_MEMORY_MAX=512m
-ENV JAVA_HOME="/usr/lib/jvm/java-${java.majorVersion}-openjdk-amd64"
+ENV JAVA_HOME="/usr/local/lib/jvm/java-openjdk-dcevm"
-ENV CATALINA_HOME="/usr/share/tomcat${tomcat.majorVersion}"
+ENV CATALINA_HOME="/usr/local/share/tomcat"
-ENV CATALINA_BASE="/var/lib/tomcat${tomcat.majorVersion}"
+ENV CATALINA_BASE="/var/lib/tomcat"
 ENV CATALINA_OPTS=
 
-ADD docker-entrypoint.sh /usr/local/bin
+# Install curl
+RUN apt update && apt -y install curl
 
-# This will give us dynamic injection points into the running webapps
+# Download & Install DCEVM Java
-COPY tomcat-context.xml /etc/tomcat${tomcat.majorVersion}/context.xml
+RUN mkdir -p /usr/local/lib/jvm && \
+        curl -L https://github.com/TravaOpenJDK/trava-jdk-${dcevm.majorVersion}-dcevm/releases/download/dcevm-${dcevm.version}/java${dcevm.majorVersion}-openjdk-dcevm-linux.tar.gz -o /usr/local/lib/jvm/java-openjdk-dcevm.tar.gz && \
+        cd /usr/local/lib/jvm && tar xzvf java-openjdk-dcevm.tar.gz && mv dcevm-${dcevm.version} java-openjdk-dcevm && rm java-openjdk-dcevm.tar.gz
 
-# We need to create all possible mapped directories
+# Download Hotswap Agent
-RUN cd /var/lib/tomcat${tomcat.majorVersion} && \
+RUN curl -L https://github.com/HotswapProjects/HotswapAgent/releases/download/RELEASE-${hotswap.version}/hotswap-agent-${hotswap.version}.jar -o /usr/local/lib/jvm/hotswap-agent.jar
-	rm -rf webapps/ROOT* && \
+
-        mkdir dev && cd dev && \
+# Download & Install Apache Tomcat
+RUN mkdir -p /usr/local/share && \
+        curl -L ${tomcat.mirror.baseUrl}/tomcat-${tomcat.majorVersion}/v${tomcat.version}/bin/apache-tomcat-${tomcat.version}.tar.gz -o /usr/local/share/apache-tomcat.tar.gz && \
+        cd /usr/local/share && tar xzvf apache-tomcat.tar.gz && mv apache-tomcat-${tomcat.version} tomcat && rm apache-tomcat.tar.gz
+
+# Split Catalina Home & Base
+RUN cd /usr/local/share/tomcat && \
+        mv webapps webapps.ignore && \
+        mkdir -p /var/lib/tomcat/webapps /var/lib/tomcat/lib /var/lib/tomcat/dev && \
+        mv conf work temp logs /var/lib/tomcat
+
+# Add directories for dynamic injection points
+RUN cd /var/lib/tomcat/dev && \
         mkdir classes classes-extra1 classes-extra2 classes-extra3 classes-extra4 classes-extra5 classes-extra6 classes-extra7 && \
         mkdir lib lib-extra1 lib-extra2 lib-extra3 lib-extra4 lib-extra5 lib-extra6 lib-extra7 && \
         mkdir web web-extra1 web-extra2 web-extra3 web-extra4 web-extra5 web-extra6 web-extra7
 
+# Add our Docker container initialization script
+ADD docker-entrypoint.sh /usr/local/bin
+
+# Add our Apache Tomcat configuration
+#   This gives us dynamic injection points into the running webapps
+COPY tomcat-context.xml /var/lib/tomcat/conf/context.xml
+ADD hotswap-agent.properties /var/lib/tomcat/lib
+
+# Listening for HTTP (not HTTPS) traffic
 EXPOSE 8080
+
+# Listening for Java debugger traffic
 EXPOSE 8000
 
+# Running as ROOT user for now
+#USER tomcat
+
+# Execute the Docker container initialization script
 ENTRYPOINT [ "/usr/local/bin/docker-entrypoint.sh" ]
-CMD [ "/usr/share/tomcat${tomcat.majorVersion}/bin/catalina.sh", "run" ]
+
+# Start the Apache Tomcat web container using the Catalina script
+CMD [ "/usr/local/share/tomcat/bin/catalina.sh", "run" ]

docker-entrypoint.sh

@@ -1,4 +1,4 @@
 #!/bin/bash
-CATALINA_OPTS="-Xms${JAVA_MEMORY_INIT} -Xmx${JAVA_MEMORY_MAX} -agentlib:jdwp=transport=dt_socket,address=8000,server=y,suspend=n $CATALINA_OPTS"
+CATALINA_OPTS="-Xms${JAVA_MEMORY_INIT} -Xmx${JAVA_MEMORY_MAX} -XX:HotswapAgent=external -javaagent:/usr/local/lib/jvm/hotswap-agent.jar -agentlib:jdwp=transport=dt_socket,address=8000,server=y,suspend=n $CATALINA_OPTS"
 
 exec "$@"

hotswap-agent.properties

@@ -7,7 +7,7 @@
 # This may be useful for example in multi module maven project to load class changes from upstream project
 # classes. Set extraClasspath to upstream project compiler output and .class file will have precedence to
 # classes from built JAR file.
-extraClasspath=/var/lib/tomcat9/dev/classes
+extraClasspath=/var/lib/tomcat/dev/classes
 
 # Watch for changes in a directory (resources only). If not set, changes of resources won't be observed.
 #
@@ -19,19 +19,19 @@ extraClasspath=/var/lib/tomcat9/dev/classes
 # replacements of resources in a building step (maven filtering resource option).
 # This setting will leave i.e. src/target/classes as default source for resources, but after the resource is modified
 # in src/main/resources, the new changed resource is served instead.
-watchResources=
+watchResources=/var/lib/tomcat/dev/classes
 
 # Load static web resources from different directory.
 #
 # This setting is dependent on application server plugin(Jetty, Tomcat, ...).
 # Jboss and Glassfish are not yet supported.
 # Use this setting to set to serve resources from source directory directly (e.g. src/main/webapp).
-webappDir=
+webappDir=/var/lib/tomcat/dev/web
 
 
 # Comma separated list of disabled plugins
 # Use plugin name - e.g. Hibernate, Spring, ZK, Hotswapper, AnonymousClassPatch, Tomcat, Logback ....
-disabledPlugins=
+disabledPlugins=Hibernate
 
 # Watch for changed class files on watchResources path and reload class definition in the running application.
 #
@@ -54,7 +54,7 @@ autoHotswap=true
 #
 # You need to specify JPDA port at startup
 # <pre>java -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=8000</pre>
-# autoHotswap.port=8000
+autoHotswap.port=8000
 
 # Enables debugging in OsgiEquinox
 # osgiEquinox.debugMode=true

pom.xml

@@ -3,14 +3,32 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.inteligr8</groupId>
     <artifactId>tomcat-rad</artifactId>
-    <version>9-1.1</version>
+    <version>9-1.2</version>
     <name>Apache Tomcat for Rapid Application Development</name>
     <packaging>pom</packaging>
 
     <properties>
+        <!-- The release version of Ubuntu to use as the base -->
+        <!-- See: https://hub.docker.com/_/ubuntu -->
+        <!-- This has very little impact and may be replaced -->
         <ubuntu.version>20.04</ubuntu.version>
-        <java.majorVersion>11</java.majorVersion>
+
+        <!-- The version of Java DCEVM to use for executing Apache Tomcat -->
+        <!-- See: https://github.com/TravaOpenJDK/trava-jdk-11-dcevm/releases -->
+        <dcevm.version>11.0.10+4</dcevm.version>
+        <dcevm.majorVersion>11</dcevm.majorVersion>
+
+        <!-- The version of Apache Tomcat to serve as the basis of this Docker image -->
+        <!-- See: https://tomcat.apache.org/download-90.cgi -->
+        <tomcat.version>9.0.44</tomcat.version>
         <tomcat.majorVersion>9</tomcat.majorVersion>
+        <tomcat.mirror.baseUrl>https://apache.osuosl.org/tomcat</tomcat.mirror.baseUrl>
+
+        <!-- The version of the Hotswap Agent to use -->
+        <!-- See: https://github.com/HotswapProjects/HotswapAgent/releases -->
+        <hotswap.version>1.4.1</hotswap.version>
+
+        <!-- The Docker image meta-data for pushing the build -->
         <image.name>inteligr8/${project.artifactId}</image.name>
         <image.tag>${project.version}</image.tag>
         <image.registry>docker.inteligr8.com</image.registry>
@@ -18,6 +36,7 @@
 
     <build>
         <plugins>
+            <!-- This plugin build and pushes the Docker image -->
             <plugin>
                 <groupId>io.fabric8</groupId>
                 <artifactId>fabric8-maven-plugin</artifactId>
@@ -30,13 +49,17 @@
                         </image>
                     </images>
                     <contextDir>${basedir}</contextDir>
+                    <buildStrategy>docker</buildStrategy>
+                    <verbose>true</verbose>
                 </configuration>
                 <executions>
+                    <!-- This execution builds the Docker image -->
                     <execution>
                         <id>docker-build</id>
                         <phase>package</phase>
                         <goals><goal>build</goal></goals>
                     </execution>
+                    <!-- This execution pushes the built Docker image to the configured Docker Registry -->
                     <execution>
                         <id>docker-push</id>
                         <phase>deploy</phase>
@@ -44,8 +67,10 @@
                     </execution>
                 </executions>
             </plugin>
+            <!-- This plugin prevents the project from deploying to the Maven Repository, as it is pointless -->
             <plugin>
             	<artifactId>maven-deploy-plugin</artifactId>
+                <version>3.0.0-M1</version>
             	<configuration>
             		<skip>true</skip>
             	</configuration>
@@ -55,10 +80,9 @@
 
     <profiles>
         <profile>
-            <id>use-local-docker</id>
+            <id>no-docker</id>
             <properties>
-                <fabric8.build.jib>false</fabric8.build.jib>
+                <fabric8.build.jib>true</fabric8.build.jib>
-                <fabric8.build.strategy>docker</fabric8.build.strategy>
             </properties>
         </profile>
     </profiles>

tomcat-context.xml

@@ -16,7 +16,7 @@
   limitations under the License.
 -->
 <!-- The contents of this file will be loaded for each web application -->
-<Context reloadable="true">
+<Context reloadable="false">
 
     <!-- Default set of monitored resources. If one of these changes, the    -->
     <!-- web application will be reloaded.                                   -->
@@ -32,31 +32,31 @@
 
     <Resources cachingAllowed="false">
         <!-- Injection points for classpath -->
-        <PreResources base="/var/lib/tomcat9/dev/classes" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
+        <PreResources base="/var/lib/tomcat/dev/classes" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
-        <PreResources base="/var/lib/tomcat9/dev/classes-extra1" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
+        <PreResources base="/var/lib/tomcat/dev/classes-extra1" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
-        <PreResources base="/var/lib/tomcat9/dev/classes-extra2" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
+        <PreResources base="/var/lib/tomcat/dev/classes-extra2" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
-        <PreResources base="/var/lib/tomcat9/dev/classes-extra3" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
+        <PreResources base="/var/lib/tomcat/dev/classes-extra3" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
-        <PreResources base="/var/lib/tomcat9/dev/classes-extra4" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
+        <PreResources base="/var/lib/tomcat/dev/classes-extra4" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
-        <PreResources base="/var/lib/tomcat9/dev/classes-extra5" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
+        <PreResources base="/var/lib/tomcat/dev/classes-extra5" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
-        <PreResources base="/var/lib/tomcat9/dev/classes-extra6" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
+        <PreResources base="/var/lib/tomcat/dev/classes-extra6" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
-        <PreResources base="/var/lib/tomcat9/dev/classes-extra7" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
+        <PreResources base="/var/lib/tomcat/dev/classes-extra7" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes" />
         <!-- Injection point for JARs -->
-        <PreResources base="/var/lib/tomcat9/dev/lib" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
+        <PreResources base="/var/lib/tomcat/dev/lib" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
-        <PreResources base="/var/lib/tomcat9/dev/lib-extra1" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
+        <PreResources base="/var/lib/tomcat/dev/lib-extra1" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
-        <PreResources base="/var/lib/tomcat9/dev/lib-extra2" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
+        <PreResources base="/var/lib/tomcat/dev/lib-extra2" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
-        <PreResources base="/var/lib/tomcat9/dev/lib-extra3" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
+        <PreResources base="/var/lib/tomcat/dev/lib-extra3" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
-        <PreResources base="/var/lib/tomcat9/dev/lib-extra4" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
+        <PreResources base="/var/lib/tomcat/dev/lib-extra4" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
-        <PreResources base="/var/lib/tomcat9/dev/lib-extra5" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
+        <PreResources base="/var/lib/tomcat/dev/lib-extra5" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
-        <PreResources base="/var/lib/tomcat9/dev/lib-extra6" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
+        <PreResources base="/var/lib/tomcat/dev/lib-extra6" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
-        <PreResources base="/var/lib/tomcat9/dev/lib-extra7" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
+        <PreResources base="/var/lib/tomcat/dev/lib-extra7" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/lib" />
         <!-- Injection points for web -->
-        <PreResources base="/var/lib/tomcat9/dev/web" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
+        <PreResources base="/var/lib/tomcat/dev/web" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
-        <PreResources base="/var/lib/tomcat9/dev/web-extra1" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
+        <PreResources base="/var/lib/tomcat/dev/web-extra1" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
-        <PreResources base="/var/lib/tomcat9/dev/web-extra2" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
+        <PreResources base="/var/lib/tomcat/dev/web-extra2" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
-        <PreResources base="/var/lib/tomcat9/dev/web-extra3" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
+        <PreResources base="/var/lib/tomcat/dev/web-extra3" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
-        <PreResources base="/var/lib/tomcat9/dev/web-extra4" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
+        <PreResources base="/var/lib/tomcat/dev/web-extra4" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
-        <PreResources base="/var/lib/tomcat9/dev/web-extra5" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
+        <PreResources base="/var/lib/tomcat/dev/web-extra5" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
-        <PreResources base="/var/lib/tomcat9/dev/web-extra6" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
+        <PreResources base="/var/lib/tomcat/dev/web-extra6" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
-        <PreResources base="/var/lib/tomcat9/dev/web-extra7" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
+        <PreResources base="/var/lib/tomcat/dev/web-extra7" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/" />
     </Resources>
 </Context>

tomcat-server.xml

@@ -1,171 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  Licensed to the Apache Software Foundation (ASF) under one or more
-  contributor license agreements.  See the NOTICE file distributed with
-  this work for additional information regarding copyright ownership.
-  The ASF licenses this file to You under the Apache License, Version 2.0
-  (the "License"); you may not use this file except in compliance with
-  the License.  You may obtain a copy of the License at
-
-      http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
--->
-<!-- Note:  A "Server" is not itself a "Container", so you may not
-     define subcomponents such as "Valves" at this level.
-     Documentation at /docs/config/server.html
- -->
-<Server port="-1" shutdown="SHUTDOWN">
-  <Listener className="org.apache.catalina.startup.VersionLoggerListener" />
-  <!-- Security listener. Documentation at /docs/config/listeners.html
-  <Listener className="org.apache.catalina.security.SecurityListener" />
-  -->
-  <!--APR library loader. Documentation at /docs/apr.html -->
-  <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" />
-  <!-- Prevent memory leaks due to use of particular java/javax APIs-->
-  <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
-  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
-  <Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />
-
-  <!-- Global JNDI resources
-       Documentation at /docs/jndi-resources-howto.html
-  -->
-  <GlobalNamingResources>
-    <!-- Editable user database that can also be used by
-         UserDatabaseRealm to authenticate users
-    -->
-    <Resource name="UserDatabase" auth="Container"
-              type="org.apache.catalina.UserDatabase"
-              description="User database that can be updated and saved"
-              factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
-              pathname="conf/tomcat-users.xml" />
-  </GlobalNamingResources>
-
-  <!-- A "Service" is a collection of one or more "Connectors" that share
-       a single "Container" Note:  A "Service" is not itself a "Container",
-       so you may not define subcomponents such as "Valves" at this level.
-       Documentation at /docs/config/service.html
-   -->
-  <Service name="Catalina">
-
-    <!--The connectors can use a shared executor, you can define one or more named thread pools-->
-    <!--
-    <Executor name="tomcatThreadPool" namePrefix="catalina-exec-"
-        maxThreads="150" minSpareThreads="4"/>
-    -->
-
-
-    <!-- A "Connector" represents an endpoint by which requests are received
-         and responses are returned. Documentation at :
-         Java HTTP Connector: /docs/config/http.html
-         Java AJP  Connector: /docs/config/ajp.html
-         APR (HTTP/AJP) Connector: /docs/apr.html
-         Define a non-SSL/TLS HTTP/1.1 Connector on port 8080
-    -->
-    <Connector port="8080" protocol="HTTP/1.1"
-               connectionTimeout="20000"
-               redirectPort="8443" />
-    <!-- A "Connector" using the shared thread pool-->
-    <!--
-    <Connector executor="tomcatThreadPool"
-               port="8080" protocol="HTTP/1.1"
-               connectionTimeout="20000"
-               redirectPort="8443" />
-    -->
-    <!-- Define an SSL/TLS HTTP/1.1 Connector on port 8443
-         This connector uses the NIO implementation. The default
-         SSLImplementation will depend on the presence of the APR/native
-         library and the useOpenSSL attribute of the
-         AprLifecycleListener.
-         Either JSSE or OpenSSL style configuration may be used regardless of
-         the SSLImplementation selected. JSSE style configuration is used below.
-    -->
-    <!--
-    <Connector port="8443" protocol="org.apache.coyote.http11.Http11NioProtocol"
-               maxThreads="150" SSLEnabled="true">
-        <SSLHostConfig>
-            <Certificate certificateKeystoreFile="conf/localhost-rsa.jks"
-                         type="RSA" />
-        </SSLHostConfig>
-    </Connector>
-    -->
-    <!-- Define an SSL/TLS HTTP/1.1 Connector on port 8443 with HTTP/2
-         This connector uses the APR/native implementation which always uses
-         OpenSSL for TLS.
-         Either JSSE or OpenSSL style configuration may be used. OpenSSL style
-         configuration is used below.
-    -->
-    <!--
-    <Connector port="8443" protocol="org.apache.coyote.http11.Http11AprProtocol"
-               maxThreads="150" SSLEnabled="true" >
-        <UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" />
-        <SSLHostConfig>
-            <Certificate certificateKeyFile="conf/localhost-rsa-key.pem"
-                         certificateFile="conf/localhost-rsa-cert.pem"
-                         certificateChainFile="conf/localhost-rsa-chain.pem"
-                         type="RSA" />
-        </SSLHostConfig>
-    </Connector>
-    -->
-
-    <!-- Define an AJP 1.3 Connector on port 8009 -->
-    <!--
-    <Connector protocol="AJP/1.3"
-               address="::1"
-               port="8009"
-               redirectPort="8443" />
-    -->
-
-    <!-- An Engine represents the entry point (within Catalina) that processes
-         every request.  The Engine implementation for Tomcat stand alone
-         analyzes the HTTP headers included with the request, and passes them
-         on to the appropriate Host (virtual host).
-         Documentation at /docs/config/engine.html -->
-
-    <!-- You should set jvmRoute to support load-balancing via AJP ie :
-    <Engine name="Catalina" defaultHost="localhost" jvmRoute="jvm1">
-    -->
-    <Engine name="Catalina" defaultHost="localhost">
-
-      <!--For clustering, please take a look at documentation at:
-          /docs/cluster-howto.html  (simple how to)
-          /docs/config/cluster.html (reference documentation) -->
-      <!--
-      <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
-      -->
-
-      <!-- Use the LockOutRealm to prevent attempts to guess user passwords
-           via a brute-force attack -->
-      <Realm className="org.apache.catalina.realm.LockOutRealm">
-        <!-- This Realm uses the UserDatabase configured in the global JNDI
-             resources under the key "UserDatabase".  Any edits
-             that are performed against this UserDatabase are immediately
-             available for use by the Realm.  -->
-        <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
-               resourceName="UserDatabase"/>
-      </Realm>
-
-      <Host name="localhost"  appBase="webapps"
-            unpackWARs="true" autoDeploy="true">
-
-        <!-- SingleSignOn valve, share authentication between web applications
-             Documentation at: /docs/config/valve.html -->
-        <!--
-        <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
-        -->
-
-        <!-- Access log processes all example.
-             Documentation at: /docs/config/valve.html
-             Note: The pattern used is equivalent to using pattern="common" -->
-        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
-               prefix="localhost_access_log" suffix=".txt"
-               pattern="%h %l %u %t &quot;%r&quot; %s %b" />
-
-      </Host>
-    </Engine>
-  </Service>
-</Server>