Zeppelin started successfully, but the browser could not access it by typing http://localhost:8080/ - Codes Helper

1. First of all, the zeppelin has been started successfully on the terminal
2. Secondly, the port number of the configuration information is not occupied is 8080
3, but the browser enters http://localhost:8080/, but it cannot be accessed. The error http error 503
zeppelin is as follows:
so I don"t know how to solve it. Please help

WARN [2018-03-31 109 WebAppContext.java 07 WebAppContext.java 31289] ({main} WebAppContext.java [doStart]: 514)-Failed startup of context o.e.j.w.WebAppContext@32115b28 {/, file:/Users/xuzp/Documents/%E5%85%B6%E4%BB%96/zeppelin-0.7.3-bin-all/webapps/webapp/, STARTING} {/ Users/xuzp/Documents/ other / zeppelin-0.7.3-bin-all/zeppelin-web-0.7.3.war}
MultiException [java.lang.NoClassDefFoundError: javax/annotation/Resource, java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException]

at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:842)
at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:298)
at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1349)
at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1342)
at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:741)
at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:505)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)
at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:163)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
at org.eclipse.jetty.server.Server.start(Server.java:387)
at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)
at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
at org.eclipse.jetty.server.Server.doStart(Server.java:354)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
at org.apache.zeppelin.server.ZeppelinServer.main(ZeppelinServer.java:189)
Suppressed: java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException
    at com.sun.jersey.server.impl.wadl.WadlFactory.init(WadlFactory.java:96)
    at com.sun.jersey.server.impl.application.RootResourceUriRules.initWadl(RootResourceUriRules.java:169)
    at com.sun.jersey.server.impl.application.RootResourceUriRules.<init>(RootResourceUriRules.java:106)
    at com.sun.jersey.server.impl.application.WebApplicationImpl._initiate(WebApplicationImpl.java:1300)
    at com.sun.jersey.server.impl.application.WebApplicationImpl.access$700(WebApplicationImpl.java:163)
    at com.sun.jersey.server.impl.application.WebApplicationImpl$13.f(WebApplicationImpl.java:769)
    at com.sun.jersey.server.impl.application.WebApplicationImpl$13.f(WebApplicationImpl.java:765)
    at com.sun.jersey.spi.inject.Errors.processWithErrors(Errors.java:193)
    at com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:765)
    at com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:760)
    at com.sun.jersey.spi.container.servlet.ServletContainer.initiate(ServletContainer.java:489)
    at com.sun.jersey.spi.container.servlet.ServletContainer$InternalWebComponent.initiate(ServletContainer.java:319)
    at com.sun.jersey.spi.container.servlet.WebComponent.load(WebComponent.java:609)
    at com.sun.jersey.spi.container.servlet.WebComponent.init(WebComponent.java:210)
    at com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:374)
    at com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:557)
    at javax.servlet.GenericServlet.init(GenericServlet.java:244)
    at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:616)
    at org.eclipse.jetty.servlet.ServletHolder.initialize(ServletHolder.java:396)
    at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:871)