JBoss Deployement Issue - Cannot deploy this Jar

Question

I am trying to deploy an application in jBoss and I\'m getting this issue. I am trying to deploy a jar and I\'m getting the issue.

Attached complete log:

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Answer 1

Edit file /standalone/configuration/standalone.xml.

Search for deployment-scanner and remove duplicate entries to the same folder.

I experienced this problem when I a added wildfly 8.1 server in eclipse using jbosstools.