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https://issues.apache.org/jira/browse/KNOX-2531?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Iain Buclaw updated KNOX-2531:
------------------------------
    Description: 
I think the fix is similar to KNOX-2456.

The Kill Application button

!image-2021-01-21-11-35-21-096.png|id=cp-img!

Ends up being rewritten as: 
[https://host:443/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state|https://host/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state]

Debug logs show:
{code:java}
2021-01-21 10:20:05,069 DEBUG knox.gateway 
(UrlRewriteProcessor.java:rewrite(164)) - Rewrote URL: 
/ws/v1/cluster/apps/application, direction: OUT via explicit rule: 
YARNUI/yarn/outbound/apps/cluster1 to URL: 
https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application

2021-01-21 10:20:05,069 DEBUG knox.gateway 
(UrlRewriteProcessor.java:rewrite(164)) - Rewrote URL: 
/ws/v1/cluster/apps/application, direction: OUT via explicit rule: 
YARNUI/yarn/outbound/apps/cluster1 to URL: 
https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application2021-01-21 
10:20:05,070 DEBUG knox.gateway (UrlRewriteProcessor.java:rewrite(164)) - 
Rewrote URL: /ws/v1/cluster/apps/application_1611223368889_0003/state', 
contentType: 'application/json', data: '{"state":"KILLED"}', dataType: 'json' 
}).done(function(data){ setTimeout(function(){ location.href = 
'/cluster/app/application_1611223368889_0003'; }, 1000); 
}).fail(function(data){ console.log(data); }); }}, direction: OUT via explicit 
rule: YARNUI/yarn/outbound/ws1 to URL: 
https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state',
 contentType: 'application/json', data: '{"state":"KILLED"}', dataType: 'json' 
}).done(function(data){ setTimeout(function(){ location.href = 
'/cluster/app/application_1611223368889_0003'; }, 1000); 
}).fail(function(data){ console.log(data); }); }}
                                                                                
                                                                  
2021-01-21 10:20:05,071 TRACE knox.gateway 
(UrlRewriteProcessor.java:rewrite(167)) - Failed to rewrite URL: 
https://host:443/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state,
 direction: OUT via rule: YARNUI/yarn/outbound/node2, status: FAILURE
{code}
This suggests that the original URL path is rewritten twice.

I suspect it is these two filter rules that's doing the double rewrite.
{code:java}
<filter name="YARNUI/yarn/outbound/filter/cluster">
    <content type="*/html">
        <apply path="(https?://[^/':,]+:[\d]+)?/ws/v1/cluster/apps/application" 
rule="YARNUI/yarn/outbound/apps/cluster1"/>
        <apply path="/ws/v1/.*" rule="YARNUI/yarn/outbound/ws1"/>
        <!-- snip -->
    </content>
</filter>
{code}
Originally, it is: /ws/v1/cluster/apps/application_1611223368889_0003/state

The first apply path rule matches and rewrites it to: 
[https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state|https://host/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state]

The second apply rule also matches and rewrites it to: 
[https://host:443/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state|https://host/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state]

The broken link is then passed through the rewrite rule processor again, 
doesn't match anything, so a FAILURE logline is written.

  was:
I think the fix is similar to KNOX-2456.

The Kill Application button

!image-2021-01-21-11-35-21-096.png|id=cp-img!

Ends up being rewritten as: 
[https://host:443/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state|https://host/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state]

Debug logs show:
{code:java}
2021-01-21 10:20:05,069 DEBUG knox.gateway 
(UrlRewriteProcessor.java:rewrite(164)) - Rewrote URL: 
/ws/v1/cluster/apps/application, direction: OUT via explicit rule: 
YARNUI/yarn/outbound/apps/cluster1 to URL: 
https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application2021-01-21 
10:20:05,070 DEBUG knox.gateway (UrlRewriteProcessor.java:rewrite(164)) - 
Rewrote URL: /ws/v1/cluster/apps/application_1611223368889_0003/state', 
contentType: 'application/json', data: '{"state":"KILLED"}', dataType: 'json' 
}).done(function(data){ setTimeout(function(){ location.href = 
'/cluster/app/application_1611223368889_0003'; }, 1000); 
}).fail(function(data){ console.log(data); }); }}, direction: OUT via explicit 
rule: YARNUI/yarn/outbound/ws1 to URL: 
https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state',
 contentType: 'application/json', data: '{"state":"KILLED"}', dataType: 'json' 
}).done(function(data){ setTimeout(function(){ location.href = 
'/cluster/app/application_1611223368889_0003'; }, 1000); 
}).fail(function(data){ console.log(data); }); }}
                                                                                
                                                                  
2021-01-21 10:20:05,071 TRACE knox.gateway 
(UrlRewriteProcessor.java:rewrite(167)) - Failed to rewrite URL: 
https://host:443/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state,
 direction: OUT via rule: YARNUI/yarn/outbound/node2, status: FAILURE
{code}
This suggests that the original URL path is rewritten twice.

I suspect it is these two filter rules that's doing the double rewrite.
{code:java}
<filter name="YARNUI/yarn/outbound/filter/cluster">
    <content type="*/html">
        <apply path="(https?://[^/':,]+:[\d]+)?/ws/v1/cluster/apps/application" 
rule="YARNUI/yarn/outbound/apps/cluster1"/>
        <apply path="/ws/v1/.*" rule="YARNUI/yarn/outbound/ws1"/>
        <!-- snip -->
    </content>
</filter>
{code}
Originally, it is: /ws/v1/cluster/apps/application_1611223368889_0003/state

The first apply path rule matches and rewrites it to: 
[https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state|https://host/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state]

The second apply rule also matches and rewrites it to: 
[https://host:443/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state|https://host/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state]

The broken link is then passed through the rewrite rule processor again, 
doesn't match anything, so a FAILURE logline is written.


> Kill Application button in YARN does not work through KNOX
> ----------------------------------------------------------
>
>                 Key: KNOX-2531
>                 URL: https://issues.apache.org/jira/browse/KNOX-2531
>             Project: Apache Knox
>          Issue Type: Bug
>    Affects Versions: 1.4.0
>            Reporter: Iain Buclaw
>            Priority: Major
>
> I think the fix is similar to KNOX-2456.
> The Kill Application button
> !image-2021-01-21-11-35-21-096.png|id=cp-img!
> Ends up being rewritten as: 
> [https://host:443/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state|https://host/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state]
> Debug logs show:
> {code:java}
> 2021-01-21 10:20:05,069 DEBUG knox.gateway 
> (UrlRewriteProcessor.java:rewrite(164)) - Rewrote URL: 
> /ws/v1/cluster/apps/application, direction: OUT via explicit rule: 
> YARNUI/yarn/outbound/apps/cluster1 to URL: 
> https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application
> 2021-01-21 10:20:05,069 DEBUG knox.gateway 
> (UrlRewriteProcessor.java:rewrite(164)) - Rewrote URL: 
> /ws/v1/cluster/apps/application, direction: OUT via explicit rule: 
> YARNUI/yarn/outbound/apps/cluster1 to URL: 
> https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application2021-01-21 
> 10:20:05,070 DEBUG knox.gateway (UrlRewriteProcessor.java:rewrite(164)) - 
> Rewrote URL: /ws/v1/cluster/apps/application_1611223368889_0003/state', 
> contentType: 'application/json', data: '{"state":"KILLED"}', dataType: 'json' 
> }).done(function(data){ setTimeout(function(){ location.href = 
> '/cluster/app/application_1611223368889_0003'; }, 1000); 
> }).fail(function(data){ console.log(data); }); }}, direction: OUT via 
> explicit rule: YARNUI/yarn/outbound/ws1 to URL: 
> https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state',
>  contentType: 'application/json', data: '{"state":"KILLED"}', dataType: 
> 'json' }).done(function(data){ setTimeout(function(){ location.href = 
> '/cluster/app/application_1611223368889_0003'; }, 1000); 
> }).fail(function(data){ console.log(data); }); }}
>                                                                               
>                                                                     
> 2021-01-21 10:20:05,071 TRACE knox.gateway 
> (UrlRewriteProcessor.java:rewrite(167)) - Failed to rewrite URL: 
> https://host:443/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state,
>  direction: OUT via rule: YARNUI/yarn/outbound/node2, status: FAILURE
> {code}
> This suggests that the original URL path is rewritten twice.
> I suspect it is these two filter rules that's doing the double rewrite.
> {code:java}
> <filter name="YARNUI/yarn/outbound/filter/cluster">
>     <content type="*/html">
>         <apply 
> path="(https?://[^/':,]+:[\d]+)?/ws/v1/cluster/apps/application" 
> rule="YARNUI/yarn/outbound/apps/cluster1"/>
>         <apply path="/ws/v1/.*" rule="YARNUI/yarn/outbound/ws1"/>
>         <!-- snip -->
>     </content>
> </filter>
> {code}
> Originally, it is: /ws/v1/cluster/apps/application_1611223368889_0003/state
> The first apply path rule matches and rewrites it to: 
> [https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state|https://host/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state]
> The second apply rule also matches and rewrites it to: 
> [https://host:443/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state|https://host/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state]
> The broken link is then passed through the rewrite rule processor again, 
> doesn't match anything, so a FAILURE logline is written.



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