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https://issues.apache.org/jira/browse/KNOX-1743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16775168#comment-16775168
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Nicolas Colomer edited comment on KNOX-1743 at 2/22/19 2:04 PM:
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Nop, opening the port 20888 did not solve the problem:
{noformat}
root@b39969dd82ae:/# nc -zvw1 ***.***.***.*** 20888
ip-***-***-***-***.eu-west-1.compute.internal [***.***.***.***] 20888 (?)
open{noformat}
I still have the 404:
!image-2019-02-22-15-04-38-542.png!
was (Author: ncolomer):
Nop, opening the port 20888 did not solve the problem:
{noformat}
root@b39969dd82ae:/# nc -zvw1 ***.***.***.*** 20888
ip-***-***-***-***.eu-west-1.compute.internal [***.***.***.***] 20888 (?)
open{noformat}
I still have the 404:
!image-2019-02-22-15-03-57-484.png!
> [Yarn UI Service] "Tracking UI" History link is broken
> ------------------------------------------------------
>
> Key: KNOX-1743
> URL: https://issues.apache.org/jira/browse/KNOX-1743
> Project: Apache Knox
> Issue Type: Bug
> Affects Versions: 1.2.0
> Reporter: Nicolas Colomer
> Priority: Minor
> Attachments: image-2019-01-22-12-58-43-987.png,
> image-2019-01-22-13-11-07-837.png, image-2019-02-22-15-03-57-484.png,
> image-2019-02-22-15-04-38-542.png
>
>
> The "Tracking UI" History link from the Yarn UI Service points to
> {noformat}
> https://knox/gateway/cluster/yarn/proxy/{application id}{noformat}
> But clicking the link leads to an HTTP 404 error.
> !image-2019-01-22-13-11-07-837.png!
> I traced the redirections (spaghetti) while simulating a click on the same
> link from a non-proxified Yarn UI. Here are the curl debug logs:
> {code:java}
> $ curl -vL --proxy socks5h://localhost:8157
> http://emr-master-hostname:20888/proxy/application_1547901173230_0014/
> * Trying ::1...
> * TCP_NODELAY set
> * SOCKS5 communication to emr-master-hostname:20888
> * SOCKS5 request granted.
> * Connected to localhost (::1) port 8157 (#0)
> > GET /proxy/application_1547901173230_0014/ HTTP/1.1
> > Host: emr-master-hostname:20888
> > User-Agent: curl/7.54.0
> > Accept: */*
> >
> < HTTP/1.1 302 Found
> < Cache-Control: no-cache
> < Expires: Sat, 19 Jan 2019 17:31:18 GMT
> < Date: Sat, 19 Jan 2019 17:31:18 GMT
> < Pragma: no-cache
> < Expires: Sat, 19 Jan 2019 17:31:18 GMT
> < Date: Sat, 19 Jan 2019 17:31:18 GMT
> < Pragma: no-cache
> < Content-Type: text/html; charset=utf-8
> < Location:
> http://emr-master-hostname:18080/history/application_1547901173230_0014/1
> < Content-Length: 288
> <
> * Ignoring the response-body
> * Connection #0 to host localhost left intact
> * Issue another request to this URL:
> 'http://emr-master-hostname:18080/history/application_1547901173230_0014/1'
> * Found bundle for host emr-master-hostname: 0x7f8f7b510780 [can pipeline]
> * Hostname localhost was found in DNS cache
> * Trying ::1...
> * TCP_NODELAY set
> * SOCKS5 communication to emr-master-hostname:18080
> * SOCKS5 request granted.
> * Connected to localhost (::1) port 8157 (#1)
> > GET /history/application_1547901173230_0014/1 HTTP/1.1
> > Host: emr-master-hostname:18080
> > User-Agent: curl/7.54.0
> > Accept: */*
> >
> < HTTP/1.1 302 Found
> < Date: Sat, 19 Jan 2019 17:31:18 GMT
> < Location:
> http://emr-master-hostname:18080/history/application_1547901173230_0014/1/
> < Content-Length: 0
> < Server: Jetty(9.3.z-SNAPSHOT)
> <
> * Connection #1 to host localhost left intact
> * Issue another request to this URL:
> 'http://emr-master-hostname:18080/history/application_1547901173230_0014/1/'
> * Found bundle for host emr-master-hostname: 0x7f8f7b510780 [can pipeline]
> * Re-using existing connection! (#1) with proxy localhost
> * Connected to localhost (::1) port 8157 (#1)
> > GET /history/application_1547901173230_0014/1/ HTTP/1.1
> > Host: emr-master-hostname:18080
> > User-Agent: curl/7.54.0
> > Accept: */*
> >
> < HTTP/1.1 302 Found
> < Date: Sat, 19 Jan 2019 17:31:18 GMT
> < Location:
> http://emr-master-hostname:18080/history/application_1547901173230_0014/1/jobs/
> < Content-Length: 0
> < Server: Jetty(9.3.z-SNAPSHOT)
> <
> * Connection #1 to host localhost left intact
> * Issue another request to this URL:
> 'http://emr-master-hostname:18080/history/application_1547901173230_0014/1/jobs/'
> * Found bundle for host emr-master-hostname: 0x7f8f7b510780 [can pipeline]
> * Re-using existing connection! (#1) with proxy localhost
> * Connected to localhost (::1) port 8157 (#1)
> > GET /history/application_1547901173230_0014/1/jobs/ HTTP/1.1
> > Host: emr-master-hostname:18080
> > User-Agent: curl/7.54.0
> > Accept: */*
> >
> < HTTP/1.1 200 OK
> < Date: Sat, 19 Jan 2019 17:31:18 GMT
> < Content-Type: text/html;charset=utf-8
> < Cache-Control: no-cache, no-store, must-revalidate
> < X-Frame-Options: SAMEORIGIN
> < X-XSS-Protection: 1; mode=block
> < X-Content-Type-Options: nosniff
> < Content-Length: 28376
> < Server: Jetty(9.3.z-SNAPSHOT)
> <
> {code}
> I guess adding some voodoo in the Knox yarnui's
> [rewrite.xml|https://github.com/apache/knox/blob/master/gateway-service-definitions/src/main/resources/services/yarnui/2.7.0/rewrite.xml]
> file might be enough to fix this.
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