| 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 |
java -version Look for 64-Bit in the output. Example:
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: cannot load 32-bit swt libraries on 64-bit jvm
Make sure you choose (e.g., Windows 64-bit , Linux 64-bit , macOS 64-bit ).
dumpbin /headers swt-win32.dll | find "machine" Or on Linux/macOS: | Platform | Artifact ID (classifier part) |
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:
Example (pseudo-code for a Windows launcher): Use the official Maven artifacts with classifiers: Make
For Gradle: