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https://issues.apache.org/jira/browse/YARN-7827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16357608#comment-16357608
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Eric Yang commented on YARN-7827:
---------------------------------

Hi [~sunilg],

Thank you for the patch.  Overall, the patch is in the right direction.  One 
nit pick about having User Name for service, this properly should not be a user 
input.  It can be refined to an ajax call to resource manager to figure out who 
is the currently connected user for simple security.

> Stop and Delete Yarn Service from RM UI fails with HTTP ERROR 404
> -----------------------------------------------------------------
>
>                 Key: YARN-7827
>                 URL: https://issues.apache.org/jira/browse/YARN-7827
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn-ui-v2
>            Reporter: Yesha Vora
>            Assignee: Sunil G
>            Priority: Critical
>         Attachments: Screen Shot 2018-02-07 at 3.51.54 PM.png, 
> YARN-7827.001.patch, YARN-7827.002.patch
>
>
> Steps:
> 1) Enable Ats v2
> 2) Start Httpd Yarn service
> 3) Go to UI2 attempts page for yarn service 
> 4) Click on setting icon
> 5) Click on stop service
> 6) This action will pop up a box to confirm stop. click on "Yes"
> Expected behavior:
> Yarn service should be stopped
> Actual behavior:
> Yarn UI is not notifying on whether Yarn service is stopped or not.
> On checking network stack trace, the PUT request failed with HTTP error 404
> {code}
> Sorry, got error 404
> Please consult RFC 2616 for meanings of the error code.
> Error Details
> org.apache.hadoop.yarn.webapp.WebAppException: /v1/services/httpd-hrt-qa-n: 
> controller for v1 not found
>       at org.apache.hadoop.yarn.webapp.Router.resolveDefault(Router.java:247)
>       at org.apache.hadoop.yarn.webapp.Router.resolve(Router.java:155)
>       at org.apache.hadoop.yarn.webapp.Dispatcher.service(Dispatcher.java:143)
>       at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
>       at 
> com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:287)
>       at 
> com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:277)
>       at 
> com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:182)
>       at 
> com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
>       at 
> com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:85)
>       at 
> com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:941)
>       at 
> com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:875)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWebAppFilter.doFilter(RMWebAppFilter.java:178)
>       at 
> com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:829)
>       at 
> com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
>       at 
> com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:119)
>       at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:133)
>       at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:130)
>       at 
> com.google.inject.servlet.GuiceFilter$Context.call(GuiceFilter.java:203)
>       at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:130)
>       at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
>       at 
> org.apache.hadoop.security.http.XFrameOptionsFilter.doFilter(XFrameOptionsFilter.java:57)
>       at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
>       at 
> org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:110)
>       at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
>       at 
> org.apache.hadoop.security.http.CrossOriginFilter.doFilter(CrossOriginFilter.java:98)
>       at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
>       at 
> org.apache.hadoop.http.HttpServer2$QuotingInputFilter.doFilter(HttpServer2.java:1578)
>       at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
>       at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45)
>       at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
>       at 
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)
>       at 
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
>       at 
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
>       at 
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
>       at 
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
>       at 
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
>       at 
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
>       at 
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
>       at 
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
>       at 
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
>       at 
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
>       at org.eclipse.jetty.server.Server.handle(Server.java:534)
>       at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
>       at 
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
>       at 
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
>       at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)
>       at 
> org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
>       at 
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
>       at 
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
>       at 
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
>       at 
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
>       at 
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
>       at java.lang.Thread.run(Thread.java:748){code}



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