Tipps & Tricks


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Updating Java Enterprise applications can be a complex task. Typically you’d perform one or more steps from this list: determining what database schema version you are running in the target environment applying one or many SQL scripts for upgrading a schema (adding tables, columns, …) running one or many migration […]

Self-upgrading Java Enterprise applications





I recently ran into issues getting ZWave to run on openHAB 2 on my new hardware: an Odroid C2. I added the ZWave binding to the openHAB installation, provided the port of the ZWave USB Stick in the configuration settings and… nothing happened. openHAB insisted that the „Port /dev/ttyUSB1 does […]

openHAB + ZWave: solving the „Port … does not exist“ ...



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I recently released a „j-lawyer.BOX 2“ – a Linux based server with the j-lawyer.org case management software pre-installed – based on Odroid HC1. Until now, there was a j-lawyer.BOX 1 based on Odroid C2 which has proven to be very reliable. Two pilot users / customers mentioned they were facing […]

Java process crashing on Odroid HC1 / XU4