Java - Down the Code Mine

Processing Historical Dates

In Project Omega at The National Archives processing of Historical Dates is complicated if the context of the dates is unknown. Software Engineers must consider, Calendars, Time-zones, and Geography. This is further compounded when tools (e.g. Java) take different/unexpected approaches to dates.

XML Schema

Xerces XML Schema 1.1 validation with Maven

Whilst working on migrating the eXist-db project from Ant to Maven, I had an issue whereby our tests for XML Schema 1.1 validation started failing. In my pom.xml I had the

eXist-db

Preventing Large Range Counts from Crashing eXist-db

To stop an OutOfMemoryError in eXist-db with large item sequences, I employed further lazy evaluation and streaming to fix the problem.