I’ve recently upgraded a JRuby/Rails application from JRuby 1.6.3 (1.8 compatibility mode) to 1.6.8 (1.9 mode). Everything was working out fine except for actions relying on internal CSV library (FasterCSV in 1.
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A collection of 57 posts
newrelic – undefined method `-’ for nil:NilClass
Using JRuby with trinidad (developer mode) – I was intermittently getting this error. Apparently thrown as estimated_time for the transaction was returning nil. I was also having all sorts of other issues (undefined method `metric_name’ for nil:NilClass) with
NoMethodError: undefined method `eq’ for nil:NilClass
JRuby 1.5.2 Rails 3.0 activerecord-jdbc-adapter 0.9.7 This issue arises when setting table name with a schema name prefix. For those in the know – this is a must-have if you’re connecting to oracle using a
Java for the forever beginner (II)
If your JSP code is almost 2/3rd pure Java code, then you’re doing something wrong. One easy way of knowing Java code from HTML/Snippets is to look at the PALE GREEN (see image for color tone). If
Rails vs The 7 Frameworks
This has nothing to do with comparing 8 different frameworks. It’s just to tell the horror story of one of our down-the-drain projects. The client came with an old product that he needed to add new features to. The
Pyramids, Application. An Analogy
Working on maintaining and modifying a five year-old Java application, I came to realize there’s a strong relation between legacy and pyramids. Here’s an analogy: | Pyramids are HUGE monuments, built for the sole purpose of being a tomb
Multiple-Application Login
I’m trying to handle an integration between a humongous code-base Java application (doing basic stuff) with a new Rails application (talking about injecting Rails transparently). Handling login (multi-application logins) was my first obstacle, and after talking with Steven and
Ruby on Rails – Lunch and Learn
Last Friday was my Ruby on Rails presentation at Commerx Corporation (in Lunch and Learn series). It wasn’t as good as I wanted, but, wasn’t too bad either. Some keys on the laptop were in the on-again-off-again mode,