Ubuntu 18
Java error while running the → forester-tool
java -cp /path/to/tool/forester_1050.jar org.forester.archaeopteryx.Archaeopteryx java.awt.AWTError: Assistive Technology not found: org.GNOME.Accessibility.AtkWrapper at java.awt.Toolkit.loadAssistiveTechnologies(Toolkit.java:807) at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:886) at java.awt.Window.getToolkit(Window.java:1358) at java.awt.Window.init(Window.java:506) at java.awt.Window.<init>(Window.java:537) at java.awt.Frame.<init>(Frame.java:420) at java.awt.Frame.<init>(Frame.java:385) at javax.swing.JFrame.<init>(JFrame.java:189) at org.forester.archaeopteryx.MainFrame.<init>(MainFrame.java:298) no graphics library available in "headless" java version "If you want to run any Java application with a GUI, you need the non-headless openjdk package (openjdk-11-jre)"
# check current version sudo dpkg -l | grep openjdk openjdk-11-jre-headless:amd64 ubuntu~18.04 amd64 OpenJDK Java runtime, Hotspot JIT (headless) # remove "headless" java version sudo apt-get remove openjdk-11-jre-headless # install non-headless version of java sudo apt-get install openjdk-11-jre # check installed version java -version openjdk version "11.0.4" 2019-07-16 OpenJDK Runtime Environment (build 11.0.4+11-post-Ubuntu-1ubuntu218.04.3) OpenJDK 64-Bit Server VM (build 11.0.4+11-post-Ubuntu-1ubuntu218.04.3, mixed mode) |