Apache Tomcat Administration Training Course and Workshop in Bangalore, Mysore, Chennai, Hyderabad, Pune, Mumbai, Delhi, Noida, Gurgaon, Kolkata

The Apache Tomcat Administration training course covers the details of installing and configuring the Tomcat Web Server. You will learn the details of the server.xml configuration file, an overview of Servlet and JavaServer Pages, a comparison of Tomcat to J2EE application servers, the Tomcat installation directories, deploying Java Web applications, the web.xml file, valves, logging, security realms, connecting Tomcat to Apache Web Server, hosting multiple Web sites, performance and scalability issues, load testing, clustering, monitoring, the Tomcat Manager, and the Tomcat Administration tool.

By attending Apache Tomcat Administration workshop, delegates will learn to:

Explain how Tomcat relates to Java EE (J2EE) and compares to other application servers (e.g. JBoss)
Install and setup Tomcat on both Windows and UNIX-type environments
Deploy, support, and troubleshoot applications on Tomcat
Navigate Tomcat’s directory structure
Understand Tomcat architecture and configuration files: server.xml, context.xml, .properties, etc.
Understand web application structure and configuration: web.xml
Secure Tomcat and applications running on it
Set up Tomcat for SSL
Tune Tomcat’s performance
Explore different load-balancing and high-availability strategies with Tomcat, including server affinity through sticky sessions as well as session replication via Tomcat
Clustering

Basic rules of XML (i.e., being able to edit XML files)
HTTP protocol (i.e., the stateless nature of HTTP, the need for sessions, HTTP methods, SSL, etc.)
Java environments (e.g., memory settings, automatic garbage collection, JDBC)
Other Java EE (J2EE) application servers and basic concepts behind Java Web Applications

Web/Application Server Administrators who need to install, configure, run, and tune the Apache Tomcat Application Server.

Intro to JavaEE

Overview
Relationship to Tomcat
Standards vs implementation
Servlets/JSPs
- Overview
- Life-cycle
- Advantages
Role of the application server (i.e. servlet container)
Comparison to other web technologies
Model-view-controller (MVC) design pattern
Quick overview
Impact on application design and troubleshooting

Apache Tomcat Overview

Background of Tomcat
Apache Software Foundation
Tomcat project
Tomcat licensing
Uses of Tomcat in the real world
Versions of Tomcat
Future direction for Tomcat
Alternative distributions of Tomcat

Installing Apache Tomcat

Installing Java
Getting Java
Java SE vs. Java EE
JDK vs. JRE
Installing on Unix/Linux/Windows
Getting Tomcat
Pre-built binary release
Using vendor-supplied pre-compiled release
What do download?
Life-cycle management
Which scripts to run?
Running in background vs. foreground
Understanding the shutdown process
Running Tomcat as a system service
Installing Tomcat as a NT sevice on Windows
Running Tomcat with jsvc on Unix/Linux
Using SysV framework to manage auto-start/shutdown

Tomcat Directory Structure

The bin/ directory
The lib/ directory (libraries on Tomcat pre-v6: shared/, common/, server/)
Class loading on Tomcat
The conf/ directory
The context directories
The webapps/ directory
The temp/ directory
The logs/ directory
The work/ directory
Running multiple Tomcat instances off the single installation
CATALINA_HOME vs. CATALINA_BASE

Tomcat Architecture and Configuration

Tomcat architecture: the big-picture
Overview of XML
Overview of Tomcat conf/server.xml file
Walk through the Tomcat component hierarchy
The “Server” element
- Configuring the shutdown port
The “Service” element
The “Connector” element
- Overview of connectors
- Configuration
- Tuning
The “Executor” element
- Understanding thread pooling
The “Engine” element
- Overview
- Understanding background threads
The “Host” element
- Overview
- Configuration
- Virtual hosting on Tomcat
- The “Alias” element
The “Context” element
- Overview
- Configuration
The “Context” element
- Overview
- Configuration
The “Loader” element
- Overview
The “Listener” element
- Overview
- Extending Tomcat

Logging on Tomcat

Default system logging
Using Log4J
Access Log Valve
Request Dumper Valve

Deployments and Web Apps on Tomcat

Directory structure of web apps
Class-loading revisited
The WEB-INF/web.xml deployment descriptor
Common elements
Defining and mapping Servlets and Filters
Initializing web apps
Session configuration
Welcome file list
Error pages
Resources
JNDI entries
Web Archives (i.e. .war files)
- Overview
- Creating
- Deploying
- Pros/cons
- Tomcat’s conf/web.xml file
- Static file handling
- Performance implications
JSP handling
- Overview
- Memory/performance implications
- Tuning
- Pre-compiling JSPs
- Default MIME-types
- Default session config
- Default welcome file list

Monitoring and Management on Tomcat

Tomcat Manager application
- Overview
- Accessing
- Features
- Starting and stopping applications
- Deployments and un-deployments
- Automation with non-HTML mode
- Using w-get (i.e. command-line)
- Ant Integration
- Monitoring
Java Management Extensions (JMX) on Tomcat
- Overview
- Architecture
- Tomcat MBeans
- JMX Proxy Servlet
- Run-time monitoring and management of the entire server
- Automation with Ant
JConsole
- Overview
- Connecting to Tomcat
- JVM Monitoring
- MBeans support

Managing Resources on Tomcat

Overview of JNDI
Resources and JNDI on Tomcat
The “Environment” Element
- Global vs. local resources
- The role of deployment descriptors
JavaMail on Tomcat
- Overview
- Adding support to Tomcat
- Configuring JavaMail as a Tomcat resource
- Database Integration on Tomcat
Overview of JDBC: API vs. drivers
Overview of Database Connection Pools (DBCP)
Configuring DBCP resources on Tomcat with MySQL
Handling connection pool leaks

Tomcat Security

Security of Tomcat
The shutdown command
Running on privileged ports
jsvc
TCP Port Relaying
User and directory permissions
Running with the Security Manager
- Overview
- Java Permissions and grants
- Tomcat’s policy file
- Customizing policies
- Pros and cons of the security manager
- Securing applications running on Tomcat
- Using valves for access control
- Address vs Host valve
Authentication and Authorization
- Overview of container-managed security
- When to use?
- A look at Manager app security
- Requiring authorized users
- Authentication options
- Basic vs. form authentication
Realms
- Overview
- Types of realms
Using DataSource realm
- Overview of JNDI realm
- Protecting privacy of passwords
- Combining realms
- Lock-out realms
SSL/TLS on Tomcat
- Overview
- SSL Certificates
- Configuring SSL connector
- Requiring the use of SSL in applications

Tomcat Performance Tuning

Java/JVM tuning
Heap sizing
Garbage collection policies
HotSpot JIT compilers
Scaling
Approaches
Tomcat tuning
Connectors
JSPs
Sessions
Scaling

High Availability (HA) and Scalability of Tomcat

Fronting Tomcat with Apache
- Overview
- Pros/con
- AJP vs. HTTP
- mod_jk vs. mod_proxy_ajp
- Using mod_jk
- Compiling/Installing
- Configuring
Monitoring
Load Balancing
Benefits and issues
Server-affinity (sticky sessions)
Pros/cons
Sharing sessions via persistent manager
Pros/cons
Session-replication
Clustering on Tomcat
Architecture
Configuration
Monitoring
Pros/cons
Massive-scaling with cluster groups

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Apache Tomcat Administration

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