Su petición no se ha podido realizar correctamente.
I/O error on GET request for "https://mundojoven.carm.es/mundojoven/rest/service/FICHA_CONVOCATORIA?tipo_convocatoria=&cod_convocante=&anyo=":sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target; nested exception is javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

La convocatoria no existe o no está dentro de plazo.