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https://issues.apache.org/jira/browse/KNOX-2931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17737672#comment-17737672
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Sandeep More commented on KNOX-2931:
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Wow this is bizarre, do you know what special character causes this? is it {{}}?
> Some special characters in the rewrite rule cannot be escaped
> -------------------------------------------------------------
>
> Key: KNOX-2931
> URL: https://issues.apache.org/jira/browse/KNOX-2931
> Project: Apache Knox
> Issue Type: Task
> Reporter: Attila Magyar
> Assignee: Attila Magyar
> Priority: Major
>
> HTML content:
> {code}
> <td><a
> href="{{typestat.portval.toLowerCase()}}://{{typestat.hostname}}:{{typestat.portno}}"
> target="_blank">{{typestat.hostname}}</a></td>
> {code}
> Rule:
> {code}
> <rule dir="OUT" name="OZONE-SCM/ozone-scm/outbound/datanode/address">
> <match
> pattern="{{typestat.portval.toLowerCase()}}://{{typestat.hostname}}:{{typestat.portno}}"/>
> <rewrite
> template="{gateway.url}/ozone-scm/datanode/index.html?host={{typestat.portval.toLowerCase()}}://{{typestat.hostname}}:{{typestat.portno}}
> "/>
> </rule>
> {code}
> The goal is to prepend knox URL in front of the href and have:
> {code}
> https://KNOX/gateway/topology/service?host={{typestat.portval.toLowerCase()}}://{{typestat.hostname}}:{{typestat.portno}}
> {code}
> It seems that the {{ ... }} part is interpreted as a place holder and the
> host part is completely omitted.
> Interestingly adding a dummy space at the end solves it.
> cc: [~zitadombi]
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