Author: Schlesselmann, G.
Paper Title Page
WESH1003 jddd Migration to OpenJDK11+: Benefits and Pitfalls 1501
WEPHA147   use link to see paper's listing under its alternate paper code  
  • E. Sombrowski, K. Rehlich, G. Schlesselmann
    DESY, Hamburg, Germany
  The Java Doocs Data Display (jddd) is a Java-based tool for creating and running graphical user interfaces for accelerator control systems. It is the standard graphical user interface for operating the European XFEL accelerator. Since Java 8 Oracle introduced a number of major changes in the Java ecosystem’s legal and technical contexts that significantly impact Java developers and users. The most impactful changes for our software were the removal of Java Web Start, Oracles new licensing model and shorter release cycles. To keep jddd up to date, the source code had to be refactored and new distribution concepts for the different operating systems had to be developed. In this paper the benefits and pitfalls of the jddd migration from Oracle Java8 to OpenJDK11+ will be described.  
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About • paper received ※ 17 September 2019       paper accepted ※ 10 October 2019       issue date ※ 30 August 2020  
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