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Use jBPM5 embedded within a Java EE 6 application

| akquinet tech@spree

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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Maven Sites – Reloaded

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In recent times, Maven Sites came close to becoming extinct. Maven Plugins were still using them for the wonderful automatic documentation page (named goals), but regular projects were not using them anymore.

However, Maven Sites have some huge benefits such as keeping the documentation close to the code, and automatically providing reports, information and API docs (Javadoc). Being able to release the documentation at the same time as the code was also a great advantage.

So why was this feature not used? Several reasons:

  • The look and feel was terrible.
  • The apt syntax was terrible.
  • The customization was terrible.

Now, though, it’s possible to create much better Maven Sites using Twitter Bootstrap for the skinning and Markdown for the editing. Even better, if you use GitHub, your site can be automatically updated on your project’s GitHub page.

This blog post explains how to use all these new features.
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