DELL IDRAC 6 无法打开控制台

java版本 jre1.7

错误提示

Java Web Start 10.80.2.15
使用 JRE 版本 1.7.0_80-b15 Java HotSpot(TM) 64-Bit Server VM
用户主目录 = C:\Users\YJC
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c: 清除控制台窗口
f: 终结在结束队列上的对象
g: 垃圾收集
h: 显示此帮助消息
m: 打印内存使用情况
o: 触发日志记录
p: 重新加载代理配置
q: 隐藏控制台
r: 重新加载策略配置
s: 转储系统和部署属性
t: 转储线程列表
v: 转储线程堆栈
0-5: 设置跟踪级别为<n>
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Missing Permissions manifest attribute in main jar: https://10.0.0.10:443/software/avctKVM.jar
三月 09, 2020 10:45:41 上午 java.util.prefs.WindowsPreferences <init>
警告: Could not open/create prefs root node Software\JavaSoft\Prefs at root 0x80000002. Windows RegCreateKeyEx(...) returned error code 5.
03/09/2020 10:45:41:646: Starting client.
java.lang.reflect.InvocationTargetException
at java.awt.EventQueue.invokeAndWait(Unknown Source)
at java.awt.EventQueue.invokeAndWait(Unknown Source)
at javax.swing.SwingUtilities.invokeAndWait(Unknown Source)
at com.avocent.a.a.i.j(Unknown Source)
at com.avocent.a.a.i.f(Unknown Source)
at com.avocent.idrac.kvm.d.f(Unknown Source)
at com.avocent.idrac.kvm.Main.a(Unknown Source)
at com.avocent.idrac.kvm.Main.main(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.sun.javaws.Launcher.executeApplication(Unknown Source)
at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
at com.sun.javaws.Launcher.doLaunchApp(Unknown Source)
at com.sun.javaws.Launcher.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalArgumentException: URLDecoder: Illegal hex characters in escape (%) pattern - For input string: "u7"
at java.net.URLDecoder.decode(Unknown Source)
at java.net.URLDecoder.decode(Unknown Source)
at com.avocent.a.a.b.f.<init>(Unknown Source)
at com.avocent.idrac.kvm.j.b(Unknown Source)
at com.avocent.a.a.p.run(Unknown Source)
at java.a