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我剛剛下載Zulu jdk zulu1.7.0_25-7.0.0.0到我的Azure Windows 2012虛擬機中,並嘗試從示例目錄運行內存監視器示例。我有以下例外。任何解決方法?爲什麼我會在Zulu上遇到HeadlessException?
>C:\Zulu\u25\zulu1.7.0_25-7.0.0.0-win64\bin\java -jar MemoryMonitor.jar
Exception in thread "main" java.awt.HeadlessException
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:208)
at java.awt.Window.<init>(Window.java:535)
at java.awt.Frame.<init>(Frame.java:420)
at javax.swing.JFrame.<init>(JFrame.java:224)
at MemoryMonitor.main(MemoryMonitor.java:480)
從祖魯語7.2開始,headful模式默認所以'-Djava.awt.headless = FALSE'參數不再需要啓用。 –