[jira] [Updated] (KNOX-1055) Spark page characters "&" should be treated as a delimiter

[Mars (JIRA)]

     [ 
https://issues.apache.org/jira/browse/KNOX-1055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Mars updated KNOX-1055:
-----------------------
    Status: Open  (was: Patch Available)

> Spark page characters "&" should be treated as a delimiter
> --------------------------------------------------------------
>
>                 Key: KNOX-1055
>                 URL: https://issues.apache.org/jira/browse/KNOX-1055
>             Project: Apache Knox
>          Issue Type: Improvement
>          Components: Server
>    Affects Versions: 0.13.0
>            Reporter: Mars
>            Priority: Trivial
>              Labels: easyfix
>             Fix For: 0.14.0
>
>
> I am a beginner of apache knox. When I use knox to proxy my sparkhistoryui, I 
> meet this problem.
> {noformat} <a 
> href="/history/application_1505879554093_0036/stages/stage?id=0&amp;attempt=0"
>  class="name-link">{noformat}
> Some query parameters in the response body of the spark history ui contain a 
> {noformat}&amp;{noformat}
> org.apache.hadoop.gateway.util.urltemplate.Parser#consumeQueryToken does not 
> handle this case
> {code:java}
> StringTokenizer tokenizer = new StringTokenizer( token, "?&" );
>       while( tokenizer.hasMoreTokens() ) {
>         consumeQuerySegment( builder, tokenizer.nextToken() );
>       }
> {code}
> so,I changed the code block as bellows
> {code:java}
> String[] tokens = token.split("(&amp;|\\?|&)");
>       if (tokens != null){
>         for (String nextToken : tokens){
>           consumeQuerySegment(builder,nextToken);
>         }
>       }
> {code}



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