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    org.apache.http.config.Lookup class is in httpcore-4.3.jar not in httpclient-4.3.1.jar

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java.lang.NoClassDefFoundError: org/aspectj/lang/Signature	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:141)	at net.adrianromero.dataconnection.DefaultConnectionContext.login(Unknown Source)	at net.adrianromero.tpv.forms.JFrmTPV.startTPV(JFrmTPV.java:102)	at net.adrianromero.tpv.forms.JFrmTPV.access$300(JFrmTPV.java:56)	at net.adrianromero.tpv.forms.JFrmTPV$1.run(JFrmTPV.java:235)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:454)	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)