INTERVIEW QUESTIONS SERVERS DETAILS

Question: How do you create multiple virtual hosts?

Answer: If you want tomcat to accept requests for different hosts e.g., www.myhostname.com then you must

0. create ${catalina.home}/www/appBase , ${catalina.home}/www/deploy, and ${catalina.home}/conf/Catalina/www.myhostname.com

1. add a host entry in the server.xml file
<Host appBase="www/appBase" name="www.myhostname.com"/>

2. Create the the following file under conf/Catalina/www.myhostname.com/ROOT.xml
<?xml version="1.0" encoding="UTF-8"?>
<Context
path="/"
docBase="www/deploy/mywebapp.war"
reloadable="true" antiJARLocking="true">
</Context>
Add any parameters specific to this hosts webapp to this context file

3. put your war file in ${catalina.home}/www/deploy

When tomcat starts, it finds the host entry, then looks for any context files and will start any apps with a context

To add more sites just repeat and rinse, all webapps can share the same war file location and appbase

If you want tomcat to accept requests for different hosts e.g., www.myhostname.com then you must

0. create ${catalina.home}/www/appBase , ${catalina.home}/www/deploy, and ${catalina.home}/conf/Catalina/www.myhostname.com

1. add a host entry in the server.xml file
<Host appBase="www/appBase" name="www.myhostname.com"/>

2. Create the the following file under conf/Catalina/www.myhostname.com/ROOT.xml
<?xml version="1.0" encoding="UTF-8"?>
<Context
path="/"
docBase="www/deploy/mywebapp.war"
reloadable="true" antiJARLocking="true">
</Context>
Add any parameters specific to this hosts webapp to this context file

3. put your war file in ${catalina.home}/www/deploy

When tomcat starts, it finds the host entry, then looks for any context files and will start any apps with a context

To add more sites just repeat and rinse, all webapps can share the same war file location and appbase
Source: CoolInterview.com

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