GWT 1.4 FAQs

Fundamentals

• What browsers does GWT currently support?
• What happens when a new browser comes out? Do I have to wait for the GWT compiler to be updated?
• Can I use GWT 1.4 on Mac OS X 10.5 (Leopard)?
• What is a GWT Module?
• Do I need to run Tomcat on my server to use GWT?
• How do I change the location of my cache/nocache HTML files?
• What's with all the cache/nocache stuff and weird filenames?
• What is Deferred Binding?
• My ImageBundle images show up in Firefox, Opera and Safari, but aren't showing up in Internet Explorer. What's the deal?
• GWT's History feature is great, but it has been driving me bananas on Safari 2.0. What's the History between GWT and Safari 2.0?
• I want to develop my application using standards-mode. Does GWT currently support it?
• Can I use GWT with my favorite server-side templating tool?
• How do I know which GWT modules I need to inherit?
• What is the Single Origin Policy, and how does it affect GWT?

Bug and Issue Tracking

• If I find a bug in GWT, where should I report it?
• If I have a suggestion about how to improve the Google Web Toolkit, where should I submit it?

Communicating with a Server

• Do I need to run Tomcat on my server to use GWT?
• How do I make a call to the server if I am not using the GWT RPC?
• Can I use GWT with my favorite server-side templating tool?
• Does the GWT RPC system support the use of java.io.Serializable?
• Why doesn't GWT provide a synchronous server connection option?

Java-to-JavaScript Compiler

• Why is my GWT-generated JavaScript gibberish?
• Why don't the project scripts build my Servlets?
• Does the GWT 1.4 Compiler Need an X11 Window in Linux?

Internationalization

• Why don't international characters work in my localized application?

JavaScript Native Interface

• How can I dynamically fetch JSON feeds from other web domains?
• How can I call one of my GWT Java methods from my application host page?
• How do I call Java methods from handwritten JavaScript or third party libraries?
• Help! I'm having problems with eval() in my JSNI method!
• Why doesn't the bridge call to my JSNI method work in .onclick?

Using Google Web Toolkit Libraries

• Why don't international characters work in my localized application?
• Why does the DOM object in the Google Web Toolkit expose a non-W3C API?

Deploying a Google Web Toolkit Application

• How do I package a Google Web Toolkit application into a WAR file?

Using JSON with the Google Web Toolkit

• How can I dynamically fetch JSON feeds from other web domains?
• How can I coerce a JSON JavaScriptObject into a GWT JSONObject?

Using Hosted Mode

• How do I use my own server in hosted mode instead of GWT's built-in Tomcat instance?
• I need to use EJBs during development in hosted mode, but the embedded Tomcat doesn't do EJBs. What do I do?
• What are the language differences between web mode and hosted mode?