Excel Tools Plugin - Failed to Deploy

Certified Senior Developer

Hi everyone

I am trying to deploy a plugin to our UAT environment. 

However the plugin does not deploy successfully. By inspecting the tomcat StdOut logs, I find the following error messages:

2021-11-29 18:18:21,709 [Appian Plugin Hot Deploy] ERROR com.appiancorp.plugins.LoggingPluginEventListener - Failed to load Plug-in 'excel-tools-2.2.15.jar' (excel-tools-2.2.15.jar) version 0.0: 'Cannot open JAR file: */_admin/plugins/excel-tools-2.2.15.jar'

2021-11-29 18:19:21,713 [Appian Plugin Hot Deploy] ERROR com.appiancorp.plugins.LoggingPluginEventListener - Failed to load Plug-in 'excel-tools-2.2.15.jar' (excel-tools-2.2.15.jar) version 0.0: 'Cannot open JAR file: */_admin/plugins/excel-tools-2.2.15.jar'

2021-11-29 18:20:21,718 [Appian Plugin Hot Deploy] ERROR com.appiancorp.plugins.LoggingPluginEventListener - Failed to load Plug-in 'excel-tools-2.2.15.jar' (excel-tools-2.2.15.jar) version 0.0: 'Cannot open JAR file: */_admin/plugins/excel-tools-2.2.15.jar'

Mon Nov 29 18:27:10 GMT 2021 WARN: Caught while disconnecting...

The JAR file cannot be corrupt, as I copied it directly from our PROD environment, which is working perfectly fine. I also checked the permissions on the file, and it matches the permissions on all the other plugin files that are working fine in the target environment. 

I am not sure where the problem is.

Thank you for the help.

Saeed

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