A web based joda-time parse debugger

After using the Grok Debugger often in the last weeks, I searched for a similar service for joda's time patterns to parse strings. I did not find anything, so I created one, for you and for me: https://joda-time-parse-debugger.herokuapp.com/…

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Git Changelog Jenkins Plugin Released

As announced earlier, the first public version of the Git Changelog Plugin for Jenkins is now released and available via Jenkins' offical update site. I got some inspiration from Oleg Nenashev on Jenkins' mailing list, so I restructured the library and the plugin so that the Jira filter is just one possible output format of the changelog. The key feature of the plugin is the automatic search of the latest tag and the changelog generation. For now, there are only two output formats defined: a simple, human readable git history…

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Load testing a new environment replaying live logs using chronicreplay

While creating a proof of concept of a new, cloud based environment of a big news platform, we used chronicreplay to test the behaviour of the new environment under a realistic load, similar to the productive system. chronicreplay replays Apache (or any other) log files in the correct time and order, see chronicreplay's README for more information. As we had the time of the request in the original Apache log files, we were able to plot and analyze the time differences. The peaks in this graph are caused by Java's…

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Solr 4 packaged with logging libraries

The Solr 4 web archive (war) does not ship with logging libraries any more. So everyone who want to deploy it into a container have to either include the logging libraries in the classpath of the container or repackage the solr with the logging libraries. I assume there are hundreds of repackaged solr 4 packages around the world. I discovered an approach on github of https://github.com/finn-no, but they are including some custom libraries in the package as well, so it is not usable by others. I forked…

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git-jira-log 1.0 released

A while ago I finished version 1.0 of my library to extract a changelog in form of a Jira filter based on ticket names in the git log of the project. This library can be used as command line utility as well as library. The git part is based on JGit. I wrote about it here already. A first version of a plugin for Jenkins is ready, too, documentation and examples are expected soon.…

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