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From "S.L" <simpleliving...@gmail.com>
Subject Re: Hadoop UI - Unable to connect to the application master from the Hadoop UI.
Date Tue, 30 Sep 2014 02:13:04 GMT
The host name is fully qualified , meaning there is nothing more that I can
add , it just seems the ports might be messed up , but I don't know which
ones

On Mon, Sep 29, 2014 at 12:44 AM, Susheel Kumar Gadalay <skgadalay@gmail.com
> wrote:

> I also faced some issue like this.
>
> It shows the URL in <host name>:<port>
>
> Copy paste the link in browser and expand the host name.
>
> I set up the host names in windows user etc/hosts file but still it
> could not resolve.
>
> On 9/29/14, S.L <simpleliving016@gmail.com> wrote:
> > Hi All,
> >
> > I am running a 3 node Apache Hadoop YARN 2.3.0  cluster , after a job is
> > submitted , when I ascess the application master from the UI I get the
> > following exception  and I am unable to connect to the Application Master
> > from the UI, can someone let me know , what I need  to look at?
> >
> > HTTP ERROR 500
> >
> > Problem accessing /proxy/application_1411841629814_0032/. Reason:
> >
> >     Connection refused
> >
> > Caused by:
> >
> > java.net.ConnectException: Connection refused
> >       at java.net.PlainSocketImpl.socketConnect(Native Method)
> >       at
> >
> java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
> >       at
> >
> java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
> >       at
> >
> java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
> >       at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
> >       at java.net.Socket.connect(Socket.java:579)
> >       at java.net.Socket.connect(Socket.java:528)
> >       at java.net.Socket.<init>(Socket.java:425)
> >       at java.net.Socket.<init>(Socket.java:280)
> >       at
> >
> org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:80)
> >       at
> >
> org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:122)
> >       at
> >
> org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707)
> >       at
> >
> org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:387)
> >       at
> >
> org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
> >       at
> >
> org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
> >       at
> >
> org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:346)
> >       at
> >
> org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet.proxyLink(WebAppProxyServlet.java:185)
> >       at
> >
> org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet.doGet(WebAppProxyServlet.java:336)
> >       at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
> >       at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> >       at
> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
> >       at
> >
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)
> >       at
> >
> com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:66)
> >       at
> >
> com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:900)
> >       at
> >
> com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:834)
> >       at
> >
> com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:795)
> >       at
> >
> com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)
> >       at
> >
> com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
> >       at
> >
> com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118)
> >       at
> com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113)
> >       at
> >
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> >       at
> >
> org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:109)
> >       at
> >
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> >       at
> >
> org.apache.hadoop.http.HttpServer2$QuotingInputFilter.doFilter(HttpServer2.java:1183)
> >       at
> >
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> >       at
> org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45)
> >       at
> >
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> >       at
> org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45)
> >       at
> >
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> >       at
> > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
> >       at
> >
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> >       at
> > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
> >       at
> > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
> >       at
> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
> >       at
> >
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
> >       at
> > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> >       at org.mortbay.jetty.Server.handle(Server.java:326)
> >       at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
> >       at
> >
> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
> >       at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
> >       at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
> >       at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
> >       at
> >
> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
> >       at
> >
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> >
>

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