Java and Ruby integration

One of the chapters of the new book that I am writing is on Java and Ruby integration, mostly through cooperating web services. The idea for this chapter came from a small customer job that I did 18 months ago: integrate a CRM system written in PHP with a document work flow web portal that I had written for them using Tomcat+JSP+custom tag libraries+Prevayler. Sure, one of the great things about Ruby Rails is that the whole stack fits so well together - you lose some of the advantages of Rails when you start mixing in other technologies. Still, at this time a subset of J2EE and Ruby on Rails look to me like the two best tools for building web applications, so it makes sense to have strategies for using both technologies in a company or organization.

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