关于JBoss日志中的报错Exception in thread "AWT-EventQueue-0"的解决记录

一、前情提要

操作系统：Windows Server 2008 R2，JDK版本：1.6.0_45，应用容器：JBoss 4.2.3 GA。所部署的应用均为Web型项目，没有任何图形相关的项目。

二、症状诊断

查看JBoss的运行日志，经常会发现如下错误日志：

::, ERROR [STDERR] Exception in thread "AWT-EventQueue-0"

::, ERROR [STDERR] java.lang.ClassCastException: sun.java2d.HeadlessGraphicsEnvironment cannot be cast to sun.a

wt.Win32GraphicsEnvironment

::, ERROR [STDERR]     at sun.awt.windows.WToolkit$.run(WToolkit.java:)

::, ERROR [STDERR]     at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:)

::, ERROR [STDERR]     at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:)

::, ERROR [STDERR]     at java.awt.EventQueue.access$(EventQueue.java:)

::, ERROR [STDERR]     at java.awt.EventQueue$.run(EventQueue.java:)

::, ERROR [STDERR]     at java.awt.EventQueue$.run(EventQueue.java:)

::, ERROR [STDERR]     at java.security.AccessController.doPrivileged(Native Method)

::, ERROR [STDERR]     at java.security.AccessControlContext$.doIntersectionPrivilege(AccessControlContext.jav

a:)

::, ERROR [STDERR]     at java.awt.EventQueue.dispatchEvent(EventQueue.java:)

::, ERROR [STDERR]     at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:)

::, ERROR [STDERR]     at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:)

::, ERROR [STDERR]     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:)

::, ERROR [STDERR]     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:)

::, ERROR [STDERR]     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:)

::, ERROR [STDERR]     at java.awt.EventDispatchThread.run(EventDispatchThread.java:)

作为运维看到错误日志都是很不爽的，所以我飞要消除之！

三、资料查找

Google上查到两份资料，很有用，按照其中说明，去掉了-Djava.awt.headless = true，在我本机测试没有问题，将在服务器上使用，并继续观察。

资料一：https://confluence.atlassian.com/fishkb/getting-a-sun-java2d-headlessgraphicsenvironment-cannot-be-cast-to-sun-awt-win32graphicsenvironment-error-on-startup-178259867.html

资料二：http://dikar.iteye.com/blog/1417625

巴特西

关于JBoss日志中的报错Exception in thread "AWT-EventQueue-0"的解决记录

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