mc服务器刷新不出信号,【求救】我的所有MC服务器都打不开了求大神指点！！！...

该楼层疑似违规已被系统折叠 隐藏此楼查看此楼

[12:42:04][main/INFO] Initialized settings.

[12:42:05][main/ERROR]

---- Hello Minecraft! Crash Report ----

Version: 2.3.5.0

Time: 2015-11-28 12:42:05

Thread: Thread[main,5,main]

Content:

java.lang.NoClassDefFoundError: com/sun/imageio/plugins/common/ReaderUtil

at com.sun.imageio.plugins.png.PNGImageReader.decodePass(Unknown Source)

at com.sun.imageio.plugins.png.PNGImageReader.decodeImage(Unknown Source)

at com.sun.imageio.plugins.png.PNGImageReader.readImage(Unknown Source)

at com.sun.imageio.plugins.png.PNGImageReader.read(Unknown Source)

at javax.imageio.ImageIO.read(Unknown Source)

at javax.imageio.ImageIO.read(Unknown Source)

at org.jackhuang.hellominecraft.lookandfeel.GraphicsUtils.loadImage(GraphicsUtils.java:103)

at org.jackhuang.hellominecraft.lookandfeel.ui.ComboBoxUI.(ComboBoxUI.java:30)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Unknown Source)

at javax.swing.SwingUtilities.loadSystemClass(Unknown Source)

at javax.swing.UIDefaults.getUIClass(Unknown Source)

at javax.swing.UIDefaults.getUI(Unknown Source)

at javax.swing.UIManager.getUI(Unknown Source)

at javax.swing.JComboBox.updateUI(Unknown Source)

at javax.swing.JComboBox.init(Unknown Source)

at javax.swing.JComboBox.(Unknown Source)

at org.jackhuang.hellominecraft.launcher.views.MainPagePanel.initComponents(MainPagePanel.java:95)

at org.jackhuang.hellominecraft.launcher.views.MainPagePanel.(MainPagePanel.java:56)

at org.jackhuang.hellominecraft.launcher.views.MainFrame.initComponents(MainFrame.java:223)

at org.jackhuang.hellominecraft.launcher.views.MainFrame.(MainFrame.java:81)

at org.jackhuang.hellominecraft.launcher.views.MainFrame.(MainFrame.java:55)

at org.jackhuang.hellominecraft.launcher.Main.main(Main.java:190)

-- System Details --

Operating System: Windows 7 (x86) version 6.1

Java Version: 1.7.0_17, Oracle Corporation

Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation

请确认HMCL本体是否完整