Docker is a great tool for developing micro services that may be composed together in order to form a larger application. However, Docker containers run in a network apart from the host machine. That makes it sometimes cumbersome and complicated to use common host names within the Docker network and the host network. In this article we’ll show a simple knack that may be applied in order to use identical host names in both networks.
Continue readingAuthor: akquinet tech@spree
Apache Camel Integration in JBoss
Apache Camel is a powerful routing and conversion engine use in many projects. In this article we present some best practices when integrating Camel into the JBoss application server aka WildFly/EAP7. Most of this is straight-forward, yet we also faced some problems with the thread pool management.
GuttenBase database migration framework 2.0.0 released
We’re glad to announce the new release of the GuttenBase database migration framework. The main but not only goal of this framework is to support database migrations between different (heterogenous) RDBMS, such as DB2, MySQL or Oracle. During the copying process you may apply various transformations such as data mapping, columns alteration, renaming tables, …
The 2.0 release features among various API enhancements and speed improvements: Java 8 support, a new tool to copy schemas between different databases, more supported database types, mapping of proprietary database column types, new documentation, …
JBoss EAP/WildFly configuration project
When developing applications using the JBoss EAP/WildFly application server there is a repetitive task that has been solved differently over and over again: The configuration of the application server, i.e. installing JDBC drivers, startup scripts, data sources, JMS destinations, logging categories, etc.
Within our company there are several projects addressing this problem. In this post we’d like to propose a project to combine all those different requirements and experiences into a single build system.
Survey for TECHNOLOGY RADAR 2014/15
In march we are publishing our new Technology Radar as you know from last years. You can participate as usual – just follow the link:
You can participate until friday, february 20th 2015. We are looking forward to your ratings for the trends in 2015 and technologies to build on for web based business applications.
Additional information for the last radars: http://radar.akquinet.de/
Thanks for participating
akquinet AG
akquinet Technology Radar 2013 available
Just in time for the holidays here is the new Technology Radar 2013 🙂
Have a look: http://radar.spree.de/results
This year the radar provides an overview of the trends for technologies, methods and tools in software development for 2013/2014. It is separated into 6 categories:
- Methods
- Platforms & Middleware
- Databases
- Frameworks & Libraries
- Languages
- Tools
Have a look for trends in 2014 and technologies to build on. You can download the radar: Technology Radar 2013 Print Version
Happy Holidays and a Happy New Year
akquinet AG
The state of web accessibility in the JavaEE world
This post is intended to give an overview of the state of web accessibility (a11y) in general and within the JavaEE world in particular. The first section outlines the how and why of accessibility, followed by an introduction to web accessibility. The next section deals with common a11y problems in an average JSF web application. Finally, we summarize the current state of a11y in JavaEE. Continue reading
Use jBPM5 embedded within a Java EE 6 application
Since the first final release of jBPM5 at the beginning of 2011 a little more than one year has passed. Despite of being a final release there have been a couple of bugs and the documentation was having many deficiencies. During the last year, however, jBPM5 was quickly moving forward and many bugs were fixed and the documentation has significantly improved.
Notwithstanding the improvements there are still some points which are not covered by the documentation of which the most important one for us is the integration of jBPM5 into a Java EE6 application. In the past we had multiple Java EE 5 projects where jBPM3 could be easily integrated. This is something we want for the current amazing Java EE 6 stack. Unfortunately there is no documentation on how to achieve this goal – maybe because no one succeeded in implementing it? Therefore, we took on this challenge and found a solution which meets our requirements. In this blog post we will describe this solution. Before we start to describe our solution we want to briefly lay out the requirements of the integration of jBPM5 into a Java EE 6 application.
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Extending CDI Observer pattern to support global events
CDI introduced a convenient implementation of the observer pattern into the JavaEE world. Using the CDI API, components can emit events, or receive events created by other components (using the @Observes annotation). This allows developers to reduce the coupling between the emitters and the receivers of events.
However, the current API does not allow to handle what we call “global” events. Global events are propagated among all active sessions, i.e., current users and are not restricted to the current session.
This blog post briefly explores the CDI observer pattern and explains how it can be extended to support global events.
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