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https://issues.apache.org/jira/browse/KNOX-1647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16707321#comment-16707321
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Kevin Risden commented on KNOX-1647:
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HttpUtils currently handles the splitting of the query string. It looks like
the current HttpUtils#splitQuery comes from
[https://stackoverflow.com/questions/13592236/parse-a-uri-string-into-name-value-collection]
A quick solution is to use LinkedHashMap instead of a plain hashmap. This will
ensure that keys are kept in insertion order. We would need to ensure that
callers of HttpUtils.splitQuery also keep using LinkedHashMap where applicable.
We could also look at using HttpClient URLEncodedUtils since that is maintained
by the Apache Http client folks specifically for this task of splitting a query
string.
> Identity Assertion should not modify order of query params
> ----------------------------------------------------------
>
> Key: KNOX-1647
> URL: https://issues.apache.org/jira/browse/KNOX-1647
> Project: Apache Knox
> Issue Type: Bug
> Reporter: Kevin Risden
> Priority: Major
> Fix For: 1.3.0
>
>
> IdentityAssertion currently breaks apart the query string into parameters and
> doesn't preserve the order. This order should be preserved.
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