<Server>
<Service>
<Connector/>
<Engine>
<Host>
<Context></Context>
</Host>
</Engine>
</Service>
</Server>
Tomcat | Java | Servlet | JSP | EL | WebSocket | JASPIC |
10.0.x | 8 | 5.0 | 3.0 | 4.0 | 2.0 | 2.0 |
9.0.x | 8 | 4.0 | 2.3 | 3.0 | 1.1 | 1.1 |
8.5.x | 7 | 3.1 | 2.3 | 3.0 | 1.1 | 1.1 |
8.0.x | 7 | 3.1 | 2.3 | 3.0 | 1.1 | N/A |
7.0.x | 6/7 | 3.0 | 2.2 | 2.2 | 1.1 | N/A |
6.0.x | 5 | 2.5 | 2.1 | 2.1 | N/A | N/A |
5.5.x | 1.4 | 2.4 | 2.0 | N/A | N/A | N/A |
4.1.x | 1.3 | 2.3 | 1.2 | N/A | N/A | N/A |
3.3.x | 1.1 | 2.2 | 1.1 | N/A | N/A | N/A |
Catalina - is Tomcat’s servlet container.
Coyote - is a Connector component for Tomcat that supports the HTTP 1.1 and 2 protocol as a web server.
Jasper - is Tomcat’s JSP Engine
Tomcat instance is the top-level component
only one instance per JVM
multiple instances can run on separate JVM and network ports
server.xml
provides an XML representation of
relationships between the different containers
server.xml
<Server>
<Service>
<Connector/>
<Engine>
<Host>
<Context></Context>
</Host>
</Engine>
</Service>
</Server>
<Server>
represents the entire Catalina server
engine
Catalina is the Java servlet container implementation
may contain one or more <Service>
containers
<Service>
holds a collection of <Connector>
connectors share one <Engine>
<Connector>
defines the port for handling request
and response
<Engine>
handles all requests received by the
connectors
<Host>
defines virtual hosts
the virtual hosts are contained in an instance of engine
each host can be a parent to one or more <Context>
component
<Context>
represents a web application
Tomcat is not
a Web Profile server
a httpd server
Apache httpd is better
Tomcat is
just a Java EE web container
Tomcat is part of many projects
JBoss
…
Install Apache Tomcat 9
Run Apache Tomcat 9 (TOMCAT_HOME/bin/startup.bin)
Check with http://localhost:8080
bin
conf
lib
logs
temp
webapps
work
webapps
.war
(*Web Archive) – представляет собой упакованное, готовое к запуску с помощью Apache Tomcat приложение
oбязательно содержит директорию WEB-INF
classes/
содержит скомпилированные java-классы (сервлеты, сущности и т.д.)
lib/
содержит необходимые библиотеки
web.xml
файл конфигурации приложения (в нём описывается конфигурация сервлетов
Create static web-application 'CV'
Deploy to Apache Tomcat 9