Tags » Grails

Groovy 2 asType conversation

Groovy enables you to provide overload a method “asType (Class clazz)”. However i had some difficulty with this relating to duck typing which didn’t work. Not entirely sure why. 181 more words


How to speed up your ORM queries of n x m associations

What causes a speedup like this? (all numbers are in ms)

Disclaimer: the absolute benchmark numbers are for illustration purposes, the relationship and the speedup between the different approaches are important (just for the curious: I measured 500 entries per table in a PostgreSQL database with both Rails 4.1.0 and Grails 2.3.8 running on Java 7 on a recent MBP running OSX 10.8) 688 more words

Author: Jens Lukowski

How to solve: ** java.lang.instrument ASSERTION FAILED ***: "!errorOutstanding" with message transform method call failed at ../../../src/share/instrument/JPLISAgent.c line:


as I tested some memory intensive, recursive functions with GGTS 3.6 and Grails 2.4, execution was interrupted with the following error message:

*** java.lang.instrument ASSERTION FAILED ***: 
"!errorOutstanding" with message transform method call failed at 
../../../src/share/instrument/JPLISAgent.c line: 844
… 103 more words

Personal Grails

Upcoming Content: Alright, I know I promised to make a new Brand Spotlight as well as a few other posts on Tuesday/Thursday, but guess what? It’s Friday. 223 more words


Debugging in GGTS fails with: Error - your app path - does not appear to be part of a Grails application.


recently I worked on a Grails 2.4.x project in GGTS 3.6. After some coding, refactoring and reconfiguration, debugging stopped working with the following error message: 237 more words


What Grails 3 Brings To The Research Informatics Lab

In my previous post, I talked about the current state of the Grails platform and what it brings to the Research Informatics environment.  In this post, I’ll discuss some of the features in the upcoming Grails 3 release, and the potential impact of those features on Research Informatics organizations. 762 more words