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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 13:44:25 GMT
I did that, still a no go, there is the /proxy in my url ,that seems to be causing the issue.

----- Reply message -----
From: "Susheel Kumar Gadalay" <skgadalay@gmail.com>
To: <user@hadoop.apache.org>
Subject: Hadoop UI - Unable to connect to the application master from the Hadoop UI.
Date: Tue, Sep 30, 2014 2:08 AM

What I meant is expand the hostname by IP address.

It worked for me.


On 9/30/14, S.L <simpleliving016@gmail.com> wrote:
> 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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