Problem connector Soap 1.2

I am trying to consume a the soap web service connectot BonitaSoft 6.5 but this is throwing me the following error:
java.lang.reflect.InvocationTargetException
org.bonitasoft.engine.bpm.connector.ConnectorExecutionException: USERNAME=install | org.bonitasoft.engine.core.connector.exception.SConnectorException: org.bonitasoft.engine.connector.exception.SConnectorException: java.util.concurrent.ExecutionException: org.bonitasoft.engine.connector.exception.SConnectorException: org.bonitasoft.engine.connector.ConnectorException: Exception trying to call remote webservice

Does Anyone know how I can fix this problem?
Best regards,

C’est résolu, problème à cause de proxy

C’est résolu, problème à cause de proxy

Can you  explain how you solved the problem please.