Below set of steps involve setting up Tomcat 6 on CentOS 5 with Java 1.6 Download Apache Tomcat $ wget http://apache.parentingamerica.com/tomcat/tomcat-6/v6.0.36/bin/apache-tomcat-6.0.36.tar.gz Go to opt/ folder and extract Tomcat $ cd /opt $ tar -xzf apache-tomcat-6.0.36.tar.gz Create a tomcat user $ useradd -d /opt/apache-tomcat-6.0.36/ tomcatuser Change user permission on tomcat folder $ chown -R tomcatuser:tomcatuser apache-tomcat-6.0.36 (more…)

This error pops up when you try to stop the Tomcat server when the server has not started. If you restart the Tomcat server, the error vanishes.

If a user role and his credentials are not set or is incorrect for Tomcat startup via NetBeans IDE you will get this dialog box opened i) First check the Netbeans configuration settings Open Tools > Server ii) Base path for Catalina will be set in the General tab andn it will be of the form \CATALINA_BASE\conf\tomcat-users.xml. Check if a user and his role is defined as stated in the below syntax. If not add these lines <role rolename="manager"/> <user username="tomcat" password="secured" roles="manager"/> iii) In Tools > Server > General tab enter the username and password stated in the tomcat-users.xml file and this will stop the Netbeans IDE from asking you the name and password

Configuring Tomcat in Ubuntu with Apache server running on it Login with the root account. Check if java is already installed on the machine. If not, first install java on ubuntu. Web get the apache-tomcat tar file from the below location (more…)