org.dom4j.DocumentFactory ClassCastException on Hudson

Recently we initialized a new CentOS server with a new Hudson and Wildfly 10 instance. During the process of deploying our Java project to a Wildfly instance we were faced with an annoying Exception: java.lang.ClassCastException: org.dom4j.DocumentFactory cannot be cast to org.dom4j.DocumentFactory We fixed our problem with the instructions in the Wildfly ticket system. You need … [Read more…]

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Big Data: Playing with Lucene

For my current project I’ve been forced to work with Lucene. Who’s that? It’s an open source library for information retrieval. It’s good for finding information in really big data. So if you want to find sth. fast in the archives of the National Library, you might want to use Lucene. Why is it so … [Read more…]

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