Oracle maintains the Java Archive for paying customers. Search for "J2SE 1.4.2_03."
You can sometimes find the original Sun download pages backed up at archive.org . Look for j2sdk-1_4_2_03-windows-i586-p.exe (Windows) or the Linux .bin version. Download Sun Java Virtual Machine -jvm- Version 1.4.2 03
Check your original software CD-ROMs. Many legacy apps (like Oracle Forms 6i or SAP J2EE Engine) shipped with this JVM on the installation disc. Installation Tip: The Silent Switch If you are deploying this to 50 legacy terminals, use the silent install flag: Oracle maintains the Java Archive for paying customers
Have a war story about maintaining Java 1.4 in production? Tell us in the comments below. This post is for educational purposes. Running outdated software poses significant security risks. Always consult your organization's security team before installing legacy JVMs. Check your original software CD-ROMs
Revisiting the Past: Why You Might Still Need Sun JVM Version 1.4.2_03