8u111jdkalpine缺少FontConfiguration

  • Z时代
  • 2024-01-10
  • 分类：综合

编程

java.lang.NullPointerException
    at sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1264)
    at sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:219)
    at sun.awt.FontConfiguration.init(FontConfiguration.java:107)
    at sun.awt.X11FontManager.createFontConfiguration(X11FontManager.java:774)
    at sun.font.SunFontManager$2.run(SunFontManager.java:431)
    at java.security.AccessController.doPrivileged(Native Method)
    at sun.font.SunFontManager.<init>(SunFontManager.java:376)
    at sun.awt.FcFontManager.<init>(FcFontManager.java:35)
    at sun.awt.X11FontManager.<init>(X11FontManager.java:57)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at java.lang.Class.newInstance(Class.java:442)
    at sun.font.FontManagerFactory$1.run(FontManagerFactory.java:83)
    at java.security.AccessController.doPrivileged(Native Method)
    at sun.font.FontManagerFactory.getInstance(FontManagerFactory.java:74)
    at java.awt.Font.getFont2D(Font.java:491)
    at java.awt.Font.access$000(Font.java:224)
    at java.awt.Font$FontAccessImpl.getFont2D(Font.java:228)
    at sun.font.FontUtilities.getFont2D(FontUtilities.java:180)
    at sun.font.StandardGlyphVector.initFontData(StandardGlyphVector.java:1126)
    at sun.font.StandardGlyphVector.init(StandardGlyphVector.java:1115)
    at sun.font.StandardGlyphVector.<init>(StandardGlyphVector.java:167)
    at java.awt.Font.createGlyphVector(Font.java:2545)
    at nl.captcha.text.renderer.DefaultWordRenderer.render(Unknown Source)
    at nl.captcha.Captcha$Builder.addText(Unknown Source)
    at com.liferay.portal.captcha.simplecaptcha.SimpleCaptchaImpl.getSimpleCaptcha(SimpleCaptchaImpl.java:243)
    at com.liferay.portal.captcha.simplecaptcha.SimpleCaptchaImpl.serveImage(SimpleCaptchaImpl.java:159)
    at com.liferay.portal.captcha.CaptchaImpl.serveImage(CaptchaImpl.java:100)
    at com.liferay.portal.kernel.captcha.CaptchaUtil.serveImage(CaptchaUtil.java:78)
    at com.liferay.portal.captcha.CaptchaPortletAction.serveResource(CaptchaPortletAction.java:42)

查阅资料，了解到是因为alpine中缺少FontConfiguration，那么就考虑安装ttf-dejavu这个软件：

在dockerfile文件中增加一条指令：

RUN apk --update add curl bash ttf-dejavu &&
      rm -rf /var/cache/apk/*

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