Before installing the AWS Toolkit for Eclipse, you must install the Database Development plugin first, otherwise, you will get the error “Missing requirement: Eclipse Data Tools Platform Amazon SimpleDB UI Plug-in 1.0.0.v201308121803” during the AWS Toolkit installation process.
1. Click Help and then Install new software
2. Type “http://download.eclipse.org/releases/kepler” in the URL field
3. Select “Database Development” and install from the list.
4. Install AWS Toolkit for Eclipse.