bad request invalid hostname oracle

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Encedí mi pc, y cuando queria abrir el oracle express, en web http://137.0.0.1:8080/apex/ , aparece el error:

(bad request) invalid hostname

Busque varias soluciones pero encontre que solo era un problema de actualización del sistema operativo, yo utilizo windows xp sp3, por lo que antes de hacer cualquier otro cambio en los archivos de tu sistema, mejor revisa tus actualizaciones.

tambien puedes revisar escribiendo en el cmd: lsnrctl status.

si tienes mas de 1 manejador(es), tienes que cambiar el puerto de oracle-xe, o talvez sea porque tienes un servidor apache en tu maquina y haya conflictos con el puerto 8080.
yo lo estoy manejando con reiniciar y abrir el apex antes que cualquier programa.

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