Tuesday, April 14, 2009

JSF and RichFaces on Google App Engine

A previous commenter noted that JBoss' RichFaces (Ajax4JSF) didn't work for them. I had a plan to use that so I initiated a simple test.

In fact, all I had to do was included the RichFaces 3.1.6SR1 jars and it blew up straight away with the following error:

org.apache.myfaces.webapp.StartupServletContextListener initFaces: Error initializing ServletContext
at javax.faces.FactoryFinder.newFactoryInstance(FactoryFinder.java:194)
at javax.faces.FactoryFinder.getFactory(FactoryFinder.java:140)
Caused by: java.lang.NoClassDefFoundError: javax.imageio.ImageIO is a restricted class. Please see the Google App Engine developer's guide for more details.
at com.google.apphosting.runtime.security.shared.stub.javax.imageio.ImageIO.<clinit>(ImageIO.java)
at org.ajax4jsf.resource.ResourceBuilderImpl.<clinit>(ResourceBuilderImpl.java:110)

Oh well, scrap that.

If you are interested in using RichFaces on GAE, then register a vote here and get Google to lift some of the restrictions on what classes can be used.

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