Spring boot出现java.awt.HeadlessException的解决办法

本文介绍了解决Spring Boot环境下无法进行画图的问题。通过在入口类中进行配置,并设置VM选项来禁用headless模式,使应用能够在Linux环境下正常显示图形界面。

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前言     

最近在使用Spring boot里面进行画图的时候出现这个问题,找了挺久的,然后发现只要两步.我的是在Linux下开发的.

实现

     第一步,在入口类里修改成以下代码,其中YourApplication改成你的入口类的名字.

    SpringApplicationBuilder builder = new SpringApplicationBuilder(YourApplication.class);
    builder.headless(false).web(false).run(args);

     第二步,在VM的Option里加上一句-Djava.awt.headless=false

     最后启动,试试。

OpenJDK 64-Bit Server VM warning: Archived non-system classes are disabled because the java.system.class.loader property is specified (value = "com.intellij.util.lang.PathClassLoader"). To use archived non-system classes, this property must not be set 2025-04-01 09:15:16,701 [ 151] SEVERE - #c.i.u.s.SvgCacheManager - Cannot create SvgCacheManager kotlinx.coroutines.JobCancellationException: Parent job is Cancelling; job=UndispatchedCoroutine{Cancelling}@706d4d07 Caused by: java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it. at java.desktop/java.awt.dnd.DragSource.getDefaultDragSource(DragSource.java:226) at com.intellij.platform.ide.bootstrap.UiKt$scheduleUpdateFrameClassAndWindowIconAndPreloadSystemFonts$1$3.invokeSuspend(ui.kt:255) at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33) at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:104) at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:773) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:720) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:714) at java.base/java.security.AccessController.doPrivileged(AccessController.java:399) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDis
04-02
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