Cannot Load 32-bit Swt Libraries On 64-bit Jvm -

dumpbin /headers swt-win32.dll | find "machine"

If you're distributing a desktop app, don't bundle a specific swt.jar . Instead, use a launcher script that adds the correct SWT JAR based on the detected platform and architecture. cannot load 32-bit swt libraries on 64-bit jvm

Note: This flag is not supported on most modern 64-bit-only Windows OpenJDK distributions. Troubleshooting Tips dumpbin /headers swt-win32

Add this line to your Java code or a test class: Troubleshooting Tips Add this line to your Java

If it says x86 (32-bit) and your JVM is x64 (64-bit), you've found the mismatch.

You can force your 64-bit JVM to run as 32-bit using -d32 , but . Most 64-bit JDKs do not include 32-bit runtime support.

Locate the SWT JAR in your classpath. Extract it and inspect the native libraries inside (e.g., swt-win32.dll or swt-gtk-xxxx.so ). On Windows, you can use a tool like dumpbin /HEADERS swt-win32.dll to see the machine type. Alternatively, if the JAR name contains x86 (not x86_64 ), it is 32-bit.