mingbei.xu

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> 您知道正在使用哪个 JRE 吗? 1.8.0_241

> 您知道正在使用哪个 JRE 吗? system is KylinV10

> 您的 Java`headless`和环境`DISPLAY`设置也可能会影响这一点。 Is jfree related to the system?

> Do you know which JRE is being used? thanks

> 您的 Java`headless`和环境`DISPLAY`设置也可能会影响这一点。 thanks

> > jfree 和系统有关系吗? > > JFreeChart 是纯Java,但Java 运行时依赖于系统。正如[此处](https://stackoverflow.com/a/13985919/230513)所建议的,您可能需要启用`headless`模式——“缺少显示设备、键盘或鼠标的系统配置”——或检查图形环境中最近的变化。 add java config -Dawt.toolkit=sun.awt.HeadlessToolkit ![2711636353670_ pic_hd](https://user-images.githubusercontent.com/41814775/140722735-5bb40a80-5e97-4158-a1ea-a0ef681da244.jpg)

> 为什么不`java -Djava.awt.headless=true…`呢? chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_OFF); chart.getRenderingHints().put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF); ok thanks

> 您知道正在使用哪个 JRE 吗? chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_OFF); chart.getRenderingHints().put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF); ok thanks

chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_OFF); chart.getRenderingHints().put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);

> 另一种选择是向 AbstractOverlay 类添加一组默认提示,允许覆盖默认值,然后在图表和每个叠加实例之间独立应用提示。 chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_OFF); chart.getRenderingHints().put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF); ok ok ,thanks