javax.swing.JFrame linux x11

最新推荐文章于 2024-12-20 09:38:24 发布

原创最新推荐文章于 2024-12-20 09:38:24 发布 · 387 阅读

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本文详细介绍了在使用Spring框架时遇到的构造函数抛出java.awt.HeadlessException的问题，该错误通常发生在缺少X11DISPLAY环境变量时尝试执行需要X11环境的操作。文章深入分析了错误原因，通过检查相关代码片段，发现问题是由于尝试在无X11环境的环境下创建窗口导致。解决方案包括设置X11DISPLAY环境变量或使用头少模式等方法，确保应用程序在不同环境下的兼容性和稳定性。

Caused by: org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [com.enation.javashop.core.service.impl.HtmlToJpgUtil]: Constructor threw exception; nested exception is java.awt.HeadlessException:
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:115)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:61)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:877)
... 31 more
Caused by: java.awt.HeadlessException:
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:159)
at java.awt.Window.<init>(Window.java:431)
at java.awt.Frame.<init>(Frame.java:403)
at java.awt.Frame.<init>(Frame.java:368)
at javax.swing.JFrame.<init>(JFrame.java:158)
at com.enation.javashop.core.service.impl.HtmlToJpgUtil.<init>(HtmlToJpgUtil.java:18)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:100)
... 33 more