On Wed, 7 Dec 2022 13:20:10 GMT, Alexander Scherbatiy <alex...@openjdk.org> wrote:
> **Environment**: > GraalVM 22.3.0 with jdk 19, Windows OS. > > **Description**: > Create a native image of Swing application using GraalVM and run it with ` > -Dsun.awt.fontconfig=fontconfig.properties.src` java property. > `java.lang.Error: java.home property not set` error is thrown. > > For more details see https://github.com/oracle/graal/issues/4875. > > **Solution**: > The error is thrown by the code from > [FontConfiguration.findFontConfigFile()](https://github.com/openjdk/jdk19u/blob/c9d485792b99233f381dcdfd69838e7b973909bd/src/java.desktop/share/classes/sun/awt/FontConfiguration.java#L175) > method. > GraalVM does not set `java.home` property, that is why the `java.lang.Error: > java.home property not set` is thrown. > `FontConfiguration.findFontConfigFile()` method compares `java.home` property > to null before checking user provided `sun.awt.fontconfig` java property. > > The proposed fix swaps the order of `java.home` and `sun.awt.fontconfig` > properties checking to avoid using `java.home` property in case > `sun.awt.fontconfig` is set. > > > **Steps to reproduce**: > - Download graal 22.3.0 jdk 19 for Windows from [GraalVM Community Edition > 22.3.0](https://github.com/graalvm/graalvm-ce-builds/releases/tag/vm-22.3.0) > page. > - Install native-image > > graalvm-ce-java19-22.3.0\bin\gu.cmd install native-image > > - Create and compile `SwingSample.java` sample > > import java.awt.*; > import javax.swing.*; > > public class SwingSample { > public static void main(String[] args) throws Exception { > SwingUtilities.invokeAndWait(() -> { > > JFrame frame = new JFrame("Hello World"); > > JButton button = new JButton("Hello"); > button.addActionListener(e -> { > System.out.printf("Hello, World!%n"); > }); > > JPanel panel = new JPanel(new FlowLayout()); > panel.add(button); > > frame.add(panel); > frame.setSize(400, 300); > frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); > frame.setVisible(true); > }); > } > } > > - Run native-image-agent to generate configuration files > > graalvm-ce-java19-22.3.0\bin\java.cmd > -agentlib:native-image-agent=config-output-dir=conf-dir SwingSample > > - Copy `graalvm-ce-java19-22.3.0\lib\fontconfig.properties.src` file to the > sample dir > - Generate native image with configuration files and > `-Djava.awt.headless=false `, > `-Dsun.awt.fontconfig=fontconfig.properties.src` java properties > > call "C:\Program Files (x86)\Microsoft Visual > Studio\2019\Community\VC\Auxiliary\Build\vcvars64" > graalvm-ce-java19-22.3.0\bin\native-image.cmd --no-fallback > -Djava.awt.headless=false -Dsun.awt.fontconfig=fontconfig.properties.src > -H:ResourceConfigurationFiles=conf-dir/resource-config.json > -H:SerializationConfigurationFiles=conf-dir/serialization-config.json > -H:ReflectionConfigurationFiles=conf-dir/reflect-config.json > -H:JNIConfigurationFiles=conf-dir/jni-config.json SwingSample > > - Run the native image with `-Dsun.awt.fontconfig=fontconfig.properties.src` > java property. > > swingsample.exe -Dsun.awt.fontconfig=fontconfig.properties.src > > Exception in thread "main" java.lang.reflect.InvocationTargetException > at > java.desktop@19.0.1/java.awt.EventQueue.invokeAndWait(EventQueue.java:1371) > at > java.desktop@19.0.1/java.awt.EventQueue.invokeAndWait(EventQueue.java:1346) > at > java.desktop@19.0.1/javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1480) > at SwingSample.main(SwingSample.java:7) > Caused by: java.lang.Error: java.home property not set > at > java.desktop@19.0.1/sun.awt.FontConfiguration.findFontConfigFile(FontConfiguration.java:180) > at > java.desktop@19.0.1/sun.awt.FontConfiguration.<init>(FontConfiguration.java:97) > at > java.desktop@19.0.1/sun.awt.windows.WFontConfiguration.<init>(WFontConfiguration.java:41) This pull request has been closed without being integrated. ------------- PR: https://git.openjdk.org/jdk/pull/11559
