Browsers aborts with build 1.4.0-beta-b54 on Windows.

Steps to reproduce:
Execute URL below with browser on 1.4.0-beta-b54 jre installed box. http://sqesvr.eng.sun.com/deployment2/sridhare/ws/demos/1.3/applets/MoleculeView
er/example1.html


====On Windows98====
IE5.0 and Netscape6.0
Browser abort as soon as move the mouse pointer to on the applet and click.

Netscape 4.7
Broeser abort as soon as move the mouse pointer to on the applet and click.
Then error log file is created below.


--file name hs_err_pid4293085409.log
An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x5007AF62
Function=[Unknown.]
Library=(N/A)

NOTE: We are unable to locate the function name symbol for the error
      just occurred. Please refer to release documentation for possible
      reason and solutions.


Current Java thread:
	at sun.awt.windows.WToolkit.eventLoop(Native Method)
	at sun.awt.windows.WToolkit.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)

Dynamic libraries:
0x7C760000 - 0x7C77D000 	C:\WINDOWS\SYSTEM\IMAGEHLP.DLL

Local Time = Tue Mar 06 18:07:52 2001
Elapsed Time = 15
#
# The exception above was detected in native code outside the VM
#
# Java VM: Java HotSpot(TM) Client VM (B54 mixed mode)
#




===On WinNT4.0===
IE5
Same as Win98.


Netscape4.7
Aborted and error log file is created below.


An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x5007AF62
Function=[Unknown.]
Library=(N/A)

NOTE: We are unable to locate the function name symbol for the error
      just occurred. Please refer to release documentation for possible
      reason and solutions.


Current Java thread:
	at sun.awt.windows.WToolkit.eventLoop(Native Method)
	at sun.awt.windows.WToolkit.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)

Dynamic libraries:

Local Time = Tue Mar 06 18:27:40 2001
Elapsed Time = 10
#
# The exception above was detected in native code outside the VM
#
# Java VM: Java HotSpot(TM) Client VM (B54 mixed mode)
#



===On Windows95===

IE5 -->Browser stop to read applet, but does not display exception and not aborts.
Netscape4.7 --> exception occured in Java Console below

java.lang.NoClassDefFoundError

	at java.net.URLStreamHandler.getHostAddress(Unknown Source)
	at java.net.URLStreamHandler.hashCode(Unknown Source)
	at java.net.URL.hashCode(Unknown Source)
	at java.util.Hashtable.get(Unknown Source)
	at sun.applet.AppletPanel.getClassLoader(Unknown Source)
	at sun.applet.AppletPanel.createAppletThread(Unknown Source)
	at sun.applet.AppletPanel.init(Unknown Source)
	at sun.plugin.AppletViewer.init(Unknown Source)
	at sun.plugin.navig.win32.AppletPluginPanel.initPanel(Unknown Source)
	at sun.plugin.navig.win32.PluginObject$Initer.run(Unknown Source)


Netscape6.0 --> exception occured in JavaConsole below.

java.lang.UnsatisfiedLinkError: C:\Program Files\JavaSoft\JRE\1.4\bin\net.dll: ???�������� ?? ???����? (DLL) ?????����???????����?B
	at java.lang.ClassLoader$NativeLibrary.load(Native Method)
	at java.lang.ClassLoader.loadLibrary0(Unknown Source)
	at java.lang.ClassLoader.loadLibrary(Unknown Source)
	at java.lang.Runtime.loadLibrary0(Unknown Source)
	at java.lang.System.loadLibrary(Unknown Source)
	at sun.security.action.LoadLibraryAction.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.InetAddress.<clinit>(Unknown Source)
	at java.net.URLStreamHandler.getHostAddress(Unknown Source)
	at java.net.URLStreamHandler.hashCode(Unknown Source)
	at java.net.URL.hashCode(Unknown Source)
	at java.util.Hashtable.get(Unknown Source)
	at sun.applet.AppletPanel.getClassLoader(Unknown Source)
	at sun.applet.AppletPanel.createAppletThread(Unknown Source)
	at sun.applet.AppletPanel.init(Unknown Source)
	at sun.plugin.AppletViewer.init(Unknown Source)
	at sun.plugin.navig.win32.AppletPluginPanel.initPanel(Unknown Source)
	at sun.plugin.navig.win32.PluginObject$Initer.run(Unknown Source)