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Download the appropriate Tomcat 8.0 from tomcat.apache.org and unpack (unzip/uncompress) into the $TOMCAT.

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Install

Some instructions are given here for installing tomcat, and making it run as a service. You should ensure that any installation meets with your company standards.

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Installing on windows

Run the tomcat installation program.

Installing on unix/ linux

Install the login scripts in tomcat login scripts into the tomcat user home directory. These scripts are correct as of Tomcat 8.0 but you should confirm that no changes are needed because of environment differences or because of different version of Tomcat.

Installing on Windows

Run the tomcat installation programversions of tomcat.

Anchor
configureTomcat
configureTomcat

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Configure tomcat

server.xml: Port Specification

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Code Block
languagexml
<!-- Define a non-SSL HTTP/1.1 Connector on port 8080 -->
    <Connector
		port="8081"
		maxHttpHeaderSize="8192" ...

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Code Block
languagexml
<session-config>
	<session-timeout>1440</session-timeout>
</session-config>

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Option

Recommended Setting

Syntax

Initial Memory Pool

1024Mb on 32bit architecture. 40% of physical memory on x64 architecture. Consult your sys admin for recommended settings on virtual servers.

-Xms1024m

Max Memory Pool

As much as possible. 1024Mb on 32bit architecture. 75% of physical memory on x64 architecture. Consult your sys admin for recommended settings on virtual servers.

-Xmx1024m

Max PermGen Memory Pool

150Mb on 32bit. 1024Mb on x64.

-XX:MaxPermSize=150m

Garbage Collector Diagnostics

Enabled

-verbose:gc

 


To set JVM options:

Windows

  • Run the Tomcat Monitor
  • Open the Tomcat Monitor system tray Configure … menu
  • Select the Java tab
  • Set the Initial memory Pool (see table above)
  • Set the Max Memory Pool (see table above)
  • Add the following lines to the Java Options scrollable field:
Code Block
-XX:MaxPermSize=150m
-verbose:gc
-Djava.awt.headless=true

Unix/Linux

If you have installed the scripts in tomcat login scripts, these option will already be set however for clarity, these options are defined in the JAVA_OPTS environment variable set in the tomcat user’s shell startup file (e.g. .profile / .bash_profile / .cshrc in the user’s home directory – the actual startup file is determined by the user’s default shell settings).

Code Block
JAVA_OPTS='-Xms1024m -Xmx1024m -XX:MaxPermSize=150m -verbose:gc -Djava.awt.headless=true'

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As the root user, install the “tomcat” tomcat script listed in in tomcat service scripts and create a softlink to it from the appropriate run-level directory. The actual run-level directories are specific to the particular unix variant.