Useful Links

Jaas Authentication with tomcat 

http://wearethetech.com/2011/05/29/jaas-configuration-for-tomcat/

Custom connection pool implementation

http://sridharrao85.wordpress.com/2011/07/20/sample-connection-pool-implementation/

Multiple Databases with Spring and Hibernate

http://blog.9mmedia.com/?p=489

Download sample live projects

http://www.programmer2programmer.net/live_projects/project_5/wcps.aspx#Dowenload_sourcecode

Design pattern tutorials

http://www.javacamp.org/designPattern/

Openldap configuration

http://wiki.tolven.org/doc/index.php/Configure_OpenLDAP

Openldap installation

http://www.userbooster.de/en/support/feature-articles/openldap-for-windows-installation.aspx

JSF Advantage and Disadvantage

http://ercillatechnologies.blogspot.in/2010/01/advantages-and-disadvantages-of-jsf.html

Creating an AJAX enabled JSF component

http://www.winstonprakash.com/articles/netbeans/jsf_custom_component_part1.html

http://www.winstonprakash.com/articles/netbeans/jsf_custom_component_part2.html

Interview Questions
http://www.allapplabs.com
http://javapapers.com
http://www.developersbook.com

Download pdf books
http://www.scribd.com

J2ee Technology CRUD operations
http://www.learntechnology.net

Jsf Primeface example
http://primefaces-rocks.appspot.com/ui/fileUploadSimple.jsf