[jboss-user] [Installation, Configuration & DEPLOYMENT] - Error starting JBOSS

[rafaelroque]

Folks,

when i try to deploy my NetBeans Visual Web application on JBOSS i am
getting the following error:
 
  | Caused by: org.apache.commons.logging.LogConfigurationException: org.apache.commons.logging.LogConfigurationException: org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy.  You have more than one version of 'org.apache.commons.logging.Log' visible, which is not allowed.

I´m wondering whether i have another commons-logging.jar already installed.Have somebody already solved this problem?

Regards,
Rafael Roque

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