Caucho Resin : Java Glossary

The CurrCon Java Applet displays prices on this web page converted with today’s exchange rates into your local international currency, e.g. Euros, US dollars, Canadian dollars, British Pounds, Indian Rupees… CurrCon requires an up-to-date browser and Java version 1.7 or later, preferably 1.8.0_11. If you can’t see the prices in your local currency, Troubleshoot. Use Chrome for best results.

Caucho Resin logo  Caucho Resin

A servlet womb. It comes in two versions, professional and open source. I have used both and have no complaints with either. The professional version is  $500.00 USD . Can be ganged with Apache HTTP (Hypertext Transfer Protocol) server to handle the static HTTP serving. The pro version features JNI (Java Native Interface) native code for performance enhancement, OpenSSL and a GZip filtering. Both support Servlet 2.4 and JSP (Java Server Pages) 2.0.

It is easy to install. You just unzip and set JAVA_HOME and RESIN_HOME environment variables, and run httpd.exe. You can tell it is working by browsing:

The documentation comes in PDF (Portable Document Format) form. This is readable and searchable, certainly preferable to WinHelp, but I prefer ordinary HTML (Hypertext Markup Language) since I can search with external regex tools.

The hard part is configuring your resin.conf XML (extensible Markup Language) file. It has more options than you could shake a stick at. They have the decency to give you starting one, well commented. The documentation is your typical Unixoid variety where every esoteric option is given equal billing to the bread and butter ones, all without examples.


Basic authentication is called XMLAuthenticator where you embed user ids and passwords in the resin.conf configuration file, user:password:role.

JdbcAuthenticator is similar to Tomcat, only you specify the necessary SQL (Standard Query Language) query rather than table and column names, e.g.

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