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EventSource se conecta al servidor SSE localhost

Tengo un servidor SSE local que envía mensajes en el puerto 8080. Me gustaría leerlos desde el navegador usando EventSource como se muestra aquí .

Pero si escribo lo siguiente en la consola del navegador:

 var evtSource = new EventSource('http://127.0.0.1:8080', {});

me sale un error:

 Firefox can't establish a connection to the server at http://127.0.0.1:8080/. Content Security Policy: The page's settings blocked the loading of a resource at http://127.0.0.1:8080/ (“connect-src”).

¿Cómo puedo arreglar esto?

about 4 years ago · Juan Pablo Isaza
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