我按照这篇教程安装了Apache Storm 1.0，但是我无法从互联网访问Storm UI。访问localhost:8080会出现以下错误：
org.apache.storm.utils.NimbusLeaderNotFoundException: Could not find leader nimbus from seed hosts [localhost]. Did you specify a valid list of nimbus hosts for config nimbus.seeds?
at org.apache.storm.utils.NimbusClient.getConfiguredClientAs(NimbusClient.java:90)
at org.apache.storm.ui.core$cluster_configuration.invoke(core.clj:343)
at org.apache.storm.ui.core$fn__12106.invoke(core.clj:929)
at org.apache.storm.shade.compojure.core$make_route$fn__2467.invoke(core.clj:93)
at org.apache.storm.shade.compojure.core$if_route$fn__2455.invoke(core.clj:39)
at org.apache.storm.shade.compojure.core$if_method$fn__2448.invoke(core.clj:24)
at org.apache.storm.shade.compojure.core$routing$fn__2473.invoke(core.clj:106)
at clojure.core$some.invoke(core.clj:2570)
at org.apache.storm.shade.compojure.core$routing.doInvoke(core.clj:106)
at clojure.lang.RestFn.applyTo(RestFn.java:139)
at clojure.core$apply.invoke(core.clj:632)
at org.apache.storm.shade.compojure.core$routes$fn__2477.invoke(core.clj:111)
at org.apache.storm.shade.ring.middleware.json$wrap_json_params$fn__11576.invoke(json.clj:56)
at org.apache.storm.shade.ring.middleware.multipart_params$wrap_multipart_params$fn__3543.invoke(multipart_params.clj:103)
at org.apache.storm.shade.ring.middleware.reload$wrap_reload$fn__4286.invoke(reload.clj:22)
at org.apache.storm.ui.helpers$requests_middleware$fn__3770.invoke(helpers.clj:46)
at org.apache.storm.ui.core$catch_errors$fn__12301.invoke(core.clj:1230)
at org.apache.storm.shade.ring.middleware.keyword_params$wrap_keyword_params$fn__3474.invoke(keyword_params.clj:27)
at org.apache.storm.shade.ring.middleware.nested_params$wrap_nested_params$fn__3514.invoke(nested_params.clj:65)
at org.apache.storm.shade.ring.middleware.params$wrap_params$fn__3445.invoke(params.clj:55)
at org.apache.storm.shade.ring.middleware.multipart_params$wrap_multipart_params$fn__3543.invoke(multipart_params.clj:103)
at org.apache.storm.shade.ring.middleware.flash$wrap_flash$fn__3729.invoke(flash.clj:14)
at org.apache.storm.shade.ring.middleware.session$wrap_session$fn__3717.invoke(session.clj:43)
at org.apache.storm.shade.ring.middleware.cookies$wrap_cookies$fn__3645.invoke(cookies.clj:160)
at org.apache.storm.shade.ring.util.servlet$make_service_method$fn__3351.invoke(servlet.clj:127)
at org.apache.storm.shade.ring.util.servlet$servlet$fn__3355.invoke(servlet.clj:136)
at org.apache.storm.shade.ring.util.servlet.proxy$javax.servlet.http.HttpServlet$ff19274a.service(Unknown Source)
at org.apache.storm.shade.org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:654)
at org.apache.storm.shade.org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1320)
at org.apache.storm.logging.filters.AccessLoggingFilter.handle(AccessLoggingFilter.java:47)
at org.apache.storm.logging.filters.AccessLoggingFilter.doFilter(AccessLoggingFilter.java:39)
at org.apache.storm.shade.org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1291)
at org.apache.storm.shade.org.eclipse.jetty.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:247)
at org.apache.storm.shade.org.eclipse.jetty.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:210)
at org.apache.storm.shade.org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1291)
at org.apache.storm.shade.org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:443)
at org.apache.storm.shade.org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1044)
at org.apache.storm.shade.org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:372)
at org.apache.storm.shade.org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:978)
at org.apache.storm.shade.org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
at org.apache.storm.shade.org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
at org.apache.storm.shade.org.eclipse.jetty.server.Server.handle(Server.java:369)
at org.apache.storm.shade.org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:486)
at org.apache.storm.shade.org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:933)
at org.apache.storm.shade.org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:995)
at org.apache.storm.shade.org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
at org.apache.storm.shade.org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
at org.apache.storm.shade.org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
at org.apache.storm.shade.org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
at org.apache.storm.shade.org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
at org.apache.storm.shade.org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
at org.apache.storm.shade.org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
at java.lang.Thread.run(Thread.java:745)
storm.yaml文件内容：
########### These MUST be filled in for a storm configuration
storm.zookeeper.servers:
- "localhost"
storm.local.dir: "/var/storm"
nimbus.host: "localhost"
supervisor.slots.ports:
- 6700
- 6701
- 6702
- 6703