Save the following file as index.jsp and it should display the system properties.
Date: <%= new java.util.Date() %>
Java Version: <%= System.getProperty("java.version") %>
Java Home: <%= System.getProperty("java.home") %>
Java Vendor: <%= System.getProperty("java.vendor") %>
Java Vendor URL: <%= System.getProperty("java.vendor.url") %>
OS Architecture: <%= System.getProperty("os.arch") %>
OS Name: <%= System.getProperty("os.name") %>
User Name: <%= System.getProperty("user.name") %>
User Home: <%= System.getProperty("user.home") %>
User Directory: <%= System.getProperty("user.dir") %>