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An error occurred while generating images in jfreechart in Linux (Java. Lang. noclassdeffounderror sun. AWT. x11graphicsenvironment)

Source: Internet
Author: User
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By default, the image display function is not enabled for Tomcat/resin in Linux. You need to add support options.
 
In Linux, when we use Java image packages to process images, we often encounter Java. lang. noclassdeffounderror: Sun. AWT. x11graphicsenvironment, because the Java Virtual Machine needs local X-server support for image processing, there are two solutions:
 
1 Java 1.4 or later
 
Add the parameter-djava. AWT. Headless = true when starting Java. For example, add this parameter to the startup command line when starting tomcat.
 
For websphere, enter the applicationProgramServer> server1> process definition> Java Virtual Machine
 
General JVM independent variables:-dfile. Encoding = GBK-ddefault. Client. Encoding = GBK-djava. AWT. Headless = true
 
2. Versions earlier than Java 1.4
 
Download Xvfb or other Virtual X-Windows, and then change the display in the Java Runtime Environment.

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