Cadastro de musica
<html><head><title>Apache Tomcat/7.0.42 - Error report</title>
</head><body><h1>HTTP Status 500 - Exception when trying to instantiate Target(name=music, type=class br.com.caelum.vraptor.musicjungle.model.Music)</h1><HR size="1" noshade="noshade"><p><b>type</b> Exception report</p><p><b>message</b> <u>Exception when trying to instantiate Target(name=music, type=class br.com.caelum.vraptor.musicjungle.model.Music)</u></p><p><b>description</b> <u>The server encountered an internal error that prevented it from fulfilling this request.</u></p><p><b>exception</b> <pre>br.com.caelum.vraptor.http.InvalidParameterException: Exception when trying to instantiate Target(name=music, type=class br.com.caelum.vraptor.musicjungle.model.Music)
br.com.caelum.vraptor.http.iogi.VRaptorInstantiator.handleException(VRaptorInstantiator.java:114)
br.com.caelum.vraptor.http.iogi.VRaptorInstantiator.handleException(VRaptorInstantiator.java:116)
br.com.caelum.vraptor.http.iogi.VRaptorInstantiator.instan