Integration Testing with MongoDB & Spring Data

Integration Testing is an often overlooked area in enterprise development. This is primarily due to the associated complexities in setting up the necessary infrastructure for an integration test. For applications backed by databases, it’s fairly…

Debugging Angular 4 Routing

There’s a neat way to debug how routing works in Angular 4. The router module has in-built tracing support…

Docker Machine — moby: Name or service not known

I have been running Docker on OS X for quite a while now and the I switched to Docker Machine for Mac Beta few months back. It has been a great experience so far, but not without occasional hiccups. I run some of my containers in host networking…

Hibernate Associations: targetEntity

Hibernate provides quite a lot of power and features when it comes to mapping domain objects to relational tables. However, if used incorrectly, some of these nasty (in a good way, of course) little features could drive you crazy in a the rush of work.

Docker — Clean Up After Yourself!

UPDATE:

As pointed out by several readers, newer version of Docker Engine ( > 1.13) now provides the following single command to do all this.

docker system prune -a

Breaking the Singleton

One of my colleagues at work raised a question regarding ‘breaking the singleton’ using Java Reflection, and asked of a way to avoid such actions. It inspired me, and started to think about a way to avoid it, and following is the outcome of it.

Know the JVM Series — 2 — Shutdown Hooks

In this article of the Know the JVM Series, we will be looking at yet another feature that is offered by the JVM, which is not very well known, and used by the developers. Shutdown Hooks are a special construct that allows developers to plug in a piece of…

STS in OS X — Where’s the sts.ini?

I’ve been using STS (SpringSource Tool Suite) on OS X Lion for sometime now, and today I realized that it’s getting a bit slow. I thought of tuning the heap size a bit to give it more memory, so I went into the installation to look for eclipse.ini, and there was none…

[Note To Self] Spring Security Default Target URL

Just a quick note to self on Spring Security Default Target URLs. In one of my recent projects, I noticed that suddenly my Spring Security based login does not use the specified default target url in the configuration. Instead, it was hitting…

The Dark Art of Logging

Logging is a mechanism of keeping track of the runtime behavior of an application, mainly for debugging / tracing purposes. In almost all of significantly complex / vital applications, maintaining a proper application log is a must; hence, almost all developers are quite familiar with…