A plugin fails to deploy, and the application server log shows the following error:
[Appian Plugin Hot Deploy] ERROR com.appiancorp.plugins.LoggingPluginEventListener - Failed to load Plug-in '<Plugin Name>.jar' (<Plugin Name>.jar) version 0.0: 'Cannot open JAR file for reading: <Path to plugin>/<Plugin name>.jar'
The above error is caused by one of the following:
Based on the determined cause above, proceed with one of the following actions, respectively:
This article applies to all versions of Appian.
Last Reviewed: October 2018
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