JRuby Rails Web Application Development by Deepak Vohra

By Deepak Vohra

This SpringerBrief explains how you can create a Rails internet software with JRuby, a a hundred% Java implementation for Ruby. This short demonstrates how Oracle® WebLogic servers and JBoss® software servers set up the JRuby software, how JRuby runs at the Java® digital laptop, and the way JRuby is the root for renowned web content together with LinkedIn, Oracle combine, and Mingle. The Oracle® database and Oracle® MySQL database are used because the foundation for the JRuby Rails software. Chapters additionally conceal permitting Flash, constructing the JRuby program utilizing Ruby syntax, and deploying functions via Java EE conflict. Hands-on and useful, this SpringerBrief is designed for internet builders and researchers attracted to JRuby. it's also an invaluable consultant for advanced-level scholars drawn to making a new net software.

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8 and a new catalog entry created the following error gets generated. ' # D. 8 with following commands. 8. gem file. jruby -S gem install rails The issue occurs because the unserializable_attribute? rb. unserializable_attribute? rb. x. jar in Classpath In packaging the Rails Application to a Web Application we used warbler to package the Rails application to a WAR file. Warbler includes the jruby-complete. jar, which is required for JRuby runtime in the WAR file. jar is also added in the runtime classpath of WebLogic Server the following error gets generated when the web application is run.

For MySQL database the MySQL service must be running. yml to create the sessions table. 1 Creating the Sessions Database Table Run the following rake command to create the migration script for the sessions table. rake db:sessions:create Next, run the migration script to create a sessions table using the following command. rb file to use the database for sessions. Only the following declaration should be uncommented. session_store :active_record_store D. erb to add the following statements. rb gets created with the rake db:sessions:create command.

Generate the WAR file using the following command from the catalogs directory. war gets generated as shown in Fig. 3. The warbler gem is required to generate a WAR file from a JRuby Rails application. war file. A developer is not required to have any knowledge about a web application or a WAR file structure to package the Rails application as a WAR file. In Chap. war Web application to WebLogic Server. Fig. war may be deployed to Oracle WebLogic Server just as any other WAR file. In this chapter we deploy the web application to WebLogic server and subsequently run the web application in WebLogic server.

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