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

java -version Look for 64-Bit in the output. Example:

| Platform | Artifact ID (classifier part) | |---------------|----------------------------------------| | Windows 64-bit | org.eclipse.swt.win32.win32.x86_64 | | Linux 64-bit | org.eclipse.swt.gtk.linux.x86_64 | | macOS 64-bit | org.eclipse.swt.cocoa.macosx.x86_64 | | macOS ARM64 | org.eclipse.swt.cocoa.macosx.aarch64 | cannot load 32-bit swt libraries on 64-bit jvm

Replace the swt.jar in your project's classpath with the correct one. If you use Maven, never just add swt.jar manually. Use the official Maven artifacts with classifiers: java -version Look for 64-Bit in the output

dependencies implementation 'org.eclipse.platform:org.eclipse.swt.win32.win32.x86_64:3.125.0' never just add swt.jar manually.

dumpbin /headers swt-win32.dll | find "machine" Or on Linux/macOS:

file swt-gtk.so If it says x86 (32-bit) and your JVM is x64 (64-bit), you've found the mismatch. Method 1: Download the Correct SWT Build (Manual Fix) Go to the official SWT download page and select your platform + architecture.

If you've ever developed desktop applications using Eclipse SWT (Standard Widget Toolkit), you've likely been greeted by this frustrating error message at least once: