Eu conferi todas as outras dúvidas que colegas colocaram aqui e o meu código está certinho. Mas ao executar o comando acima, recebo a resposta de erro na página:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 404 Not Found</title>
</head>
<body><h2>HTTP ERROR 404 Not Found</h2>
<table>
<tr><th>URI:</th><td>/api/tunnels</td></tr>
<tr><th>STATUS:</th><td>404</td></tr>
<tr><th>MESSAGE:</th><td>Not Found</td></tr>
<tr><th>SERVLET:</th><td>org.glassfish.jersey.servlet.ServletContainer-6b863d52</td></tr>
</table>
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</body>
</html>