Introduction
- Overview of Java SE, EE platforms
- History, JServ, Tomcat 3, 4, 5, 5.5, 6, 7
- Overview of the features and functionality provided by Tomcat
Examining the Tomcat installation directories
- bin
- conf
- lib
- logs
- temp
- webapps
- work
Java EE application internals
- WAR file structure
- web.xml
- JSP
- Servlet
- URL mapping rules
- HttpSession
- AJAX, Asynchronous servlets and Comet
- JavaServer Faces a FacesServlet
- Flash Scope
- Remote debugging (jdwp)
- Dynamic JSP reloading
- Dynamic class reloading
- JRebel - reloading classes without re-deploy
Configuring Tomcat
- TOMCAT/conf/context.xml
- TOMCAT/conf/web.xml
- CATALINA_HOME and CATALINA_BASE
- Default Servlet
- Static file (applies )
- Welcome file (uses )
- 404 error page
- Folder listing
- JSP Servlet
JNDI and DataSources
- Classic JDBC approach
- Better approach: JNDI resources
- JNDI ObjectFactory
- Connection pooling
- Apache DBCP
- Tomcat 7 JDBC Pool
- C3P0
- MySQL DataSource Pooling
- Oracle Thin Driver Pooling
Tomcat architecture
- server.xml (detailed walkthrough)
- Shared web hosting for multiple domains
- Connectors
- BIO (HTTP/1.1), NIO, APR, AJP
- timeouts
- keep-alive
- Valve for disabling web browser cache
- SSL
- JSSE and Keytool
- OpenSSL and APR Connector
ClassLoading
- Java SE ClassLoader
- Tomcat ClassLoader hierarchy
- Order of class loading
- Priority order for duplicate classes
- Endorsed dir
Logging
- Configuring Tomcat logging (JULI)
- catalina.out
- Configuring application logging
- Log4J
- java.util.logging
- LogBack
- Commons Logging
- SLF4J
- Log rotation, Formatters, Appenders
Security
- File system security
- Java security manager
- Web application authentification (BASIC, FORM)
- Form login screen, j_security_check
- Realms
- Using the UserDatabaseRealm
- Using the JDBC realm
- Writing your own Realm
- JAAS - Java Authentication and Authorization Service
- Windows Integrated Authentication in Windows Domain (DC)
Memory management
- Understanding Java garbage collection
- Using JAVA_OPTS, JMX and JConsole to monitor and tune Tomcat memory usage
- Sizing Tomcat's JVM memory heap
- Persistent sessions
- Using JMX and JConsole to configure Tomcat via Tomcat's MBeans
- Hyperic monitoring tool (optional)
Performance tuning strategies
- Additional JVM tuning tips
- Enabling parallel garbage collection
- Building native connectors
- Disabling/removing unneeded applications
- Tuning incoming connections and database connection pools
- Turning off Jasper development mode
- Precompiling JSPs
- Preloading servlets
Apache HTTPD server integration with Tomcat
- Introducing the mod_jk module
- Introducing the mod_proxy module
- Introducing JBoss mod_cluster module
- Understanding Tomcat connectors
- Understanding Tomcat workers
- Connecting Tomcat with Apache HTTPD
- Sticky session
Apache HTTPD and OpenSSL
- Setting up certificates
- Configuring SSL
- Tomcat load balancing with Apache
Tomcat clustering
- Clustering model
- Load balancing
- Session sharing
- Working with Tomcat clustering
- Session management
- Using to replicate sessions across Tomcat instances
- Configuring a cluster
- Testing the cluster
