Jacob multiple Web project error Jacob-1.14.3-x64.dll already loaded in another ClassLoader Jacob

Multiple Web projects error Jacob-1.14.3-x64.dll already loaded in another ClassLoader Jacob

This problem has been plagued for a long time, many of the online solutions, many are unsuccessful, the availability of information is very few, the main problem is a project loaded jacob-1.14.3-x64.dll this DLL file, other projects can not be loaded.

The final solution is as follows

1, deploy the environment Tomcat, add the Jacob jar package to Tomcat Lib

2, under Tomcat WebApp corresponding to the use of the project under the Lib under the Jacob-1.14.3.jar can be deleted

Jacob multiple Web project error Jacob-1.14.3-x64.dll already loaded in another ClassLoader Jacob