这是什么错误？关于Applet问题--在IE下运行的BUG

[cnhxjtoa]

icrosoft (R) VM for Java, 5.0 Release 5.0.0.3234
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? 帮助
c 清楚
f 运行结束程序
g 废弃数据回收
m 内存使用方式
q 退出
t 线程列表
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com.ms.security.SecurityExceptionEx[com/wflow/cdts/dbNotesToOracle.<init>]: java.io.IOException: bad path: E:\Notestest\classes\javax\swing\JProgressBar.class
at com/ms/security/permissions/FileIOPermission.check
at com/ms/security/PolicyEngine.deepCheck
at com/ms/security/PolicyEngine.checkPermission
at com/ms/security/StandardSecurityManager.chk
at com/ms/security/StandardSecurityManager.checkRead
at java/io/File.isDirectory
at sun/net/www/protocol/file/FileURLConnection.connect
at sun/net/www/protocol/file/FileURLConnection.getInputStream
at com/ms/vm/loader/ResourceLoader.getURLData
at com/ms/vm/loader/ResourceLoader.getCodebaseRelativeData
at com/ms/vm/loader/ResourceLoader.getClassData
at com/ms/vm/loader/URLClassLoader.findClass
at com/ms/vm/loader/URLClassLoader.loadClass
at java/lang/ClassLoader.loadClassInternal
at com/wflow/cdts/dbNotesToOracle.<init>
at com/ms/applet/BrowserAppletFrame.newInstance
at com/ms/applet/AppletPanel.processSentEvent
at com/ms/applet/AppletPanel.processSentEvent
at com/ms/applet/AppletPanel.run
at java/lang/Thread.run
java.lang.InstantiationException: com/wflow/cdts/dbNotesToOracle
at com/ms/applet/BrowserAppletFrame.newInstance
at com/ms/applet/AppletPanel.processSentEvent
at com/ms/applet/AppletPanel.processSentEvent
at com/ms/applet/AppletPanel.run
at java/lang/Thread.run

[SoftFog]

applet只能访问源主机的资源，如果要applet能够访问本地资源，则需要对applet签名，或修改policy文件

[prosong]

JProgressBar.class 是 Swing 类, jdk1.2 以上才有

在微软的 JDK 下不包含那些 JDK1.2 以上的包
微软的 jdk 版本为1.1