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Archiv der Kategorie ‘Java‘

Donnerstag, den 25. Oktober 2018

JPG with OpenJDK

Some articles in the web (e.g. on stack overflow) claim that OpenJDK does not have support to write JPG images. Looking into it, I foudn that there is a JPEGImageWriter and a com.sun.imageio.plugins.jpeg.JPEG included with OpenJDK 11 (looking at version 11.0.1). But this code does not produce an JPG as expeced: BufferedImage bufferedImage = generateImage(new […]

Mittwoch, den 13. Juni 2018

Micronaut.io: Size Limit for FileUploads

Recently, I’ve been tinkering with Micronaut.io a new application framework which looks quite promising so far. A good introduction is provided in the documentation, by the examples on GitHub and some nice articles on the web like „Getting Started with Micronaut“ by Jonas Havers. I had to dig a little bit to find out some […]

Montag, den 20. November 2017

JCE ab Java 8u151 per Property aktivieren

Gute Neuigkeiten: Mit Java 8 Update 151 kann man die Java Cryptography Extension (JCE) per property aktivieren, da Oracle den Mechanismus zum handling desselben, der in Java 9 etabliert wurde, auf Java8 zurückportiert hat. Auf macOS wird so das Homebrew Cask jce-unlimited-strength-policy8 überflüssig. Um JCE in Java 8 Update 151 oder neuer zu aktivieren, braucht […]

Freitag, den 10. Juni 2016

OpenJDK on RaspberryPi / Raspian: Fallback to Oracle JDK

Lately I wanted to use Java on the RaspberryPi a little more intensive. With that involved, there is of course a Gradle build. But it went not as easy a I expected. I attempted to use the openjdk-8 package, the system in question was based on a Hypriot OS 0.7.0 Berry (beta), which is based […]

Samstag, den 25. Juni 2011

Java Swing Debugging with IDEA on Linux

Dieser Beitrag wird recht technisch, und damit davon möglichst viele was haben, geht’s auf Englisch weiter Recently, I experienced some problems debugging an Java/Swing application on my Ubuntu Linux box using IntelliJ IDEA 10.5 . The problem is that java.awt grabs control of all input devices while running. If you place an breakpoint inside an […]

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