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https://issues.apache.org/jira/browse/KNOX-1583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kevin Risden reassigned KNOX-1583:
----------------------------------
Assignee: Kevin Risden
> YARN v1 UI - Running job log links
> ----------------------------------
>
> Key: KNOX-1583
> URL: https://issues.apache.org/jira/browse/KNOX-1583
> Project: Apache Knox
> Issue Type: Sub-task
> Reporter: Kevin Risden
> Assignee: Kevin Risden
> Priority: Minor
>
> This was identified in KNOX-1023 and KNOX-1270. Best detail to reproduce
> comes from KNOX-1023.
> ----
> When nodemanager links are accessed through YARNUI service, it requires the
> host and port to be appended in the URI , something like:
> {code:java}
> https://host:8443/gateway/sandbox/yarn/nodemanager/node/containerlogs/container_e02_1498543212255_0001_01_000001/user?host=nm-host&port=8042
> {code}
> When I'm coming from the RM page, this link is rendered as an absolute one,
> so the rewrite rule works fine and appends the host and port. However, when
> I'm on the NM page itself, the URLs are not absolute(the URL's on NM page are
> relative), so a different rewrite rule applies:
> {code:java}
> DEBUG hadoop.gateway (UrlRewriteProcessor.java:rewrite(164)) - Rewrote URL:
> /node/containerlogs/container_e01_1498485266952_0006_01_000001/hiyer
> qa3july/stderr/?start=-4096, direction: OUT via implicit rule:
> YARNUI/yarn/outbound/node to URL:
> https://host:8443/gateway/sandbox/yarn/node/containerlogs/container_e01_1498485266952_0006_01_000001/user/stderr
> {code}
> As you can see, this link does not contain the host=nm-host&port=8042 at the
> end of query string, so it does not work. This affects log links for running
> tasks, and links for the nodemanager itself.
> So, the links on NM page of type
> {code:java}
> href=/syslog
> {code}
> gets transformed to
> {code:java}
> https://host:8443/gateway/sandbox/yarn/nodemanager/node/containerlogs/container_e02_1498543212255_0001_01_000001/user/syslog
> {code}
> whereas it should have been transformed to
> {code:java}
> https://host:8443/gateway/sandbox/yarn/nodemanager/node/containerlogs/container_e02_1498543212255_0001_01_000001/user/syslog?host=nm-host&port=8042{code}
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