topic Re: TaskListener Exception - Can't instantiate listener class in Alfresco Archive

TaskListener Exception - Can't instantiate listener class

dwoodbury — Mon, 23 Jan 2012 20:39:36 GMT

In Activiti 5.8 with Explorer, I get a can't instantiate listener class error on a UserTask listener.Per previous threads and the MEAP text:I deployed the BAR to Explorer using the Explorer UI.I manually copied the JAR containing the listener class to the WEB-INF/lib folders for both Activiti-REST a

Re: TaskListener Exception - Can't instantiate listener class

dwoodbury — Tue, 24 Jan 2012 06:11:16 GMT

When I placed the class file in WEB-INF\class, the application found the TaskListener.

I inspected the jar file and found that it lacked a manifest file. This is the jar that is generated when I right click on the project in Eclipse and select "Generate Deployment Artifacts."

Re: TaskListener Exception - Can't instantiate listener class

ronald_van_kuij — Tue, 24 Jan 2012 17:10:25 GMT

Search the forum… there is a bug with that way of doing things.

Re: TaskListener Exception - Can't instantiate listener class

dwoodbury — Tue, 24 Jan 2012 21:25:48 GMT

Thanks!!

I found the note here:
http://forums.activiti.org/en/viewtopic.php?f=9&t=3296&p=13092&hilit=INF\class#p13092

Generally, there's a bug in the way the plugin creates the Jar, so one must do it using the Eclipse export function.