在windows服务器上运行正常的JOptionPane.showInputDialog，在Linux服务器上运行不起来，有没有大神可以look,look
报错：
java.awt.HeadlessException
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:207)
at java.awt.Window.(Window.java:535)
at java.awt.Frame.(Frame.java:420)
at java.awt.Frame.(Frame.java:385)
at javax.swing.SwingUtilities$SharedOwnerFrame.(SwingUtilities.java:1757)
at javax.swing.SwingUtilities.getSharedOwnerFrame(SwingUtilities.java:1832)
at javax.swing.JOptionPane.getRootFrame(JOptionPane.java:1697)
at javax.swing.JOptionPane.showInputDialog(JOptionPane.java:576)
Linux服务器上,,java环境是什么，不是OpenJDK吧