> [JDK-8278549](https://bugs.openjdk.org/browse/JDK-8278549)` UNIX sun/font > coding misses SUSE distro detection on recent distro SUSE 15` adds SuSE > detection by checking SLES os name property in `/etc/os-release` file. > > `opensuse/leap:15.4` docker defines os name property as `"openSUSE Leap"` in > `/etc/os-release` file which is not recognized as SuSE. > > The issue is reproduced with Oracle jdk-19.0.2 with custom > fontconfig.SuSE.properties file copied to jdk-19.0.2/lib directory. > > The fix checks if os name property from `/etc/os-release` contains `SUSE` > substring. > > Steps to reproduce. > - Download Oracle jdk-19.0.2 > - Copy custom > [fontconfig.SuSE.properties](https://bugs.openjdk.org/secure/attachment/102435/fontconfig.SuSE.properties) > file to jdk-19.0.2/lib directory. > - Run the `opensuse/leap:15.4` docker and install freetype and dejavu fonts > (do not install fontconfig) > > docker run --rm --security-opt seccomp=unconfined -it opensuse/leap:15.4 bash > zypper install -y dejavu-fonts > zypper install -y freetype2 > > - Run HelloImage java sample in the docker > > import javax.imageio.ImageIO; > import java.awt.*; > import java.awt.image.BufferedImage; > import java.io.File; > > public class HelloImage { > > public static void main(String[] args) throws Exception { > > BufferedImage buff = new BufferedImage(300, 200, > BufferedImage.TYPE_INT_RGB); > Graphics2D g = buff.createGraphics(); > g.setColor(Color.WHITE); > g.fillRect(0, 0, buff.getWidth(), buff.getHeight()); > > g.setColor(Color.BLUE); > g.setFont(g.getFont().deriveFont(32f)); > g.drawString("Hello, Image!", 50, 50); > g.dispose(); > > File file = new File("hello-image.png"); > ImageIO.write(buff, "png", file); > } > } > > > > ./jdk-19.0.2/bin/javac HelloImage.java > ./jdk-19.0.2/bin/java HelloImage > Exception in thread "main" java.lang.NullPointerException: Cannot load from > short array because "sun.awt.FontConfiguration.head" is null > at > java.desktop/sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1261) > at > java.desktop/sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:221) > at > java.desktop/sun.awt.FontConfiguration.init(FontConfiguration.java:105) > at > java.desktop/sun.awt.X11FontManager.createFontConfiguration(X11FontManager.java:706) > at java.desktop/sun.font.SunFontManager$2.run(SunFontManager.java:352) > at java.desktop/sun.font.SunFontManager$2.run(SunFontManager.java:309) > at > java.base/java.security.AccessController.doPrivileged(AccessController.java:318) > at java.desktop/sun.font.SunFontManager.<init>(SunFontManager.java:309) > at java.desktop/sun.awt.FcFontManager.<init>(FcFontManager.java:35) > at java.desktop/sun.awt.X11FontManager.<init>(X11FontManager.java:56) > at > java.desktop/sun.font.PlatformFontInfo.createFontManager(PlatformFontInfo.java:37) > at > java.desktop/sun.font.FontManagerFactory.getInstance(FontManagerFactory.java:51) > at java.desktop/java.awt.Font.getFont2D(Font.java:526) > at java.desktop/java.awt.Font$FontAccessImpl.getFont2D(Font.java:265) > at java.desktop/sun.font.FontUtilities.getFont2D(FontUtilities.java:151) > at > java.desktop/sun.java2d.SunGraphics2D.checkFontInfo(SunGraphics2D.java:671) > at > java.desktop/sun.java2d.SunGraphics2D.getFontInfo(SunGraphics2D.java:837) > at > java.desktop/sun.java2d.pipe.GlyphListPipe.drawString(GlyphListPipe.java:46) > at > java.desktop/sun.java2d.SunGraphics2D.drawString(SunGraphics2D.java:2931) > at HelloImage.main(HelloImage.java:17)
Alexander Scherbatiy has updated the pull request incrementally with one additional commit since the last revision: Extract os name as ID from /etc/os-release file for fonts configuration ------------- Changes: - all: https://git.openjdk.org/jdk/pull/12260/files - new: https://git.openjdk.org/jdk/pull/12260/files/ba04df3f..d1d7f2f0 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=12260&range=02 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12260&range=01-02 Stats: 28 lines in 2 files changed: 12 ins; 4 del; 12 mod Patch: https://git.openjdk.org/jdk/pull/12260.diff Fetch: git fetch https://git.openjdk.org/jdk pull/12260/head:pull/12260 PR: https://git.openjdk.org/jdk/pull/12260
