An error occurred while launching/running the j2re1.4.0 installer application on Windows2K, j2re1.3.0_02 installer working fine
Test case used: http://comanche.sfbay.sun.com/jawstest/merlin/jmf/jmf_alljava.jnlp

Jaws build from: /net/hyperion.east/space3/jtg/jaws1.3/build/*/bundles
J2re build from: /net/mizu.sfbay/usr/re/jdk/jdk1.4.2/bundles/*/latest

I tried Jaws build 1.2-beta(build11) with the same j2re - it is working fine.

Log file:
General:
An error occurred while launching/running the application.

Title: J2RE 1.4.0 Installer (US)
Vendor: Sun Microsystems, Inc.
Category: Unexpected Error

String index out of range: -1


Exception:
java.lang.StringIndexOutOfBoundsException: String index out of range: -1	
at java.lang.String.substring(Unknown Source)	at 
com.sun.javaws.installers.Main.install(Main.java:151)	at 
com.sun.javaws.installers.Main.main(Main.java:610)	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.continueLaunch(Unknown Source)	at 
com.sun.javaws.Launcher.handleApplicationDesc(Unknown Source)	at 
com.sun.javaws.Launcher.handleLaunchFile(Unknown Source)	at 
com.sun.javaws.Launcher.run(Unknown Source)	at java.lang.Thread.run(Unknown 
Source)Console:

Java Web Start 1.4.2-internal Console, started Thu Aug 29 14:07:46 PDT 2002Java 
2 Runtime Environment: Version 1.4.2-beta by Sun Microsystems Inc.Logging to 
file: F:\Documents and Settings\Administrator\My Documents\log.txtDownloading: 
http://dlres.java.sun.com/servlet/com.sun.jsc.javasoft.jaws.JNLPServlet/j2se/jav
aws-1_0_1-j2re-1_4_0-data-win.jarInstaller resource: jre.datUnpacked installer 
to: F:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\jre59066.datexec string 
!F:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\jre59066.dat -s -a -s 
-f1F:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\jre59067iss!execute 
!F:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\jre59066.dat -s -a -s 
-f1F:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\jre59067iss!F:\Documents and 
Settings\Administrator\.javaws\cache\.ext\E1030655273667\bin\\javaw.exeRemoving: 
http://dlres.java.sun.com/servlet/com.sun.jsc.javasoft.jaws.JNLPServlet/j2se/jav
aws-1_0_1-j2re-1_4_0-data-win.jar/null


Launch file:

<?xml version="1.0" encoding="utf-8"?><jnlp 
codebase="http://dlres.java.sun.com/servlet/com.sun.jsc.javasoft.jaws.JNLPServle
t/j2se">  <information>    <title>J2RE 1.4.0 Installer (US)</title>    
<vendor>Sun Microsystems, Inc.</vendor>  </information>  <security>      
<all-permissions/>  </security>  <resources>    <j2se version="1.3+" 
href="http://java.sun.com/products/autodl/j2se"/>    <jar 
href="javaws-1_0_1-j2re-1_4_0-inst-win.jar" />    <jar 
href="javaws-1_0_1-j2re-1_4_0-data-win.jar" download="lazy"/>    <property 
name="javaVersion"       value="1.4.0"/>    <property name="installerLocation" 
value="javaws-1_0_1-j2re-1_4_0-data-win.jar"/>    <property 
name="installerEntry"    value="jre.dat"/>    <property name="licenseEntry"      
value="LICENSE"/>    <property name="lib"               value="j2re-installer"/> 
   <property name="msvcrt.versionMS"  value="60000"/>    <property 
name="msvcrt.versionLS"  value="20910000"/>    <property name="execString"       
 value="{0} -s -a -s -f1{1}"/>    <property name="javaPath"          
value="bin\\javaw.exe"/>    <property name="verbose"           value="true"/>    
<property name="merlin"           value="true"/>    <property 
name="isWindowsInstall"  value="true"/>    <nativelib 
href="javaws-1_0_1-j2re-1_4_0-native-win.jar" />  </resources>  <installer-desc 
main-class="com.sun.javaws.installers.Main"/></jnlp>