Error occurred during deployment: Exception while deploying the app [pruebaBackEnd] : org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 193; Deployment descriptor file WEB-INF/web.xml in archive [pruebaBackEndWAR_war]. El atributo "xmlns" ya se ha especificado para el elemento "web-app".. Please see server.log for more details.

tranquilo, se resuelve pegando el archivo web.xml de nuevo al inicial

< ?xml version="1.0" encoding="UTF-8"? >

< web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"

xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"

id="WebApp_ID" version="2.5" >

< display-name >CONSULTORIO ODONTOLOGICO< /display-name >

< servlet >

< servlet-name >jersey-serlvet< /servlet-name >

< servlet-class >org.glassfish.jersey.servlet.ServletContainer< /servlet-class >

< init-param >

< param-name >jersey.config.server.provider.packages< /param-name >

< param-value >servicios< /param-value >

< /init-param >

< /servlet >

 

< servlet-mapping >

< servlet-name >jersey-serlvet< /servlet-name >

< url-pattern >/rest/*< /url-pattern >

< /servlet-mapping >

< welcome-file-list >

< welcome-file >index.html< /welcome-file >

< /welcome-file-list >

< /web-app >