Cannot Load 32-bit Swt Libraries On 64-bit Jvm Apr 2026

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:

java -version Look for 64-Bit in the output. Example: 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 ). If you've ever developed desktop applications using Eclipse

dumpbin /headers swt-win32.dll | find "machine" Or on Linux/macOS: cannot load 32-bit swt libraries on 64-bit jvm

Example (pseudo-code for a Windows launcher):

For Gradle:

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