Solution for linkage error in tomcat 6 with sun-e-ri ,you can’t use sun-e-ri,coz eri.api already exits tomcat lib.remove sun-e-ri from WEB-INF/lib.issue will get fix.

1. must have the base packages installed on your system, these include: httpd, httpd-devel, php, php-common, php-devel. must have the base packages installed on your system, these include: httpd, httpd-devel, php, php-common, php-devel. and their respective units, this will use the “yum” that comes with CentOS (RedHat Enterprise) and their …

You can connect to mysql in tomcat
- Setup mysql
Download Mysql click here
-download mysql connector(driver) and add file .jar to your project
Click here to download jconnector

-run mysql create datasource
Example for connecting the mysql in tomcat jsp
public static Connection getConnection(){
try{
Connection conn DriverManager.getConnection(“jdbc:mysql://127.0.0.1/lamtung?user root&password password”);
return conn;
}
catch(SQLException se)
{
se.printStackTrace();
return null;
}
}

Here are the Steps to install Tomcat in ubuntu

Before installing you need to check
java is available are not
if not available then install
sudo apt-get install sun-java-jdk6
then you can install tomcat
sudo apt-get install tomcat6 tomcat6-admin tomcat6-webapps
Before starting the server, the default port the installer set is 8180 instead of the 8080 port …