This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Hi priya, sorry but your code is working fine. I only get the exception if I run it inside the IDE. in this case the getCodeBase returns an incorrect protocol (file://). Set the URL to a complete address like http://localhost/EchoServlet. Then it works inside the IDE or locally. HTH Torsten