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

[Mars (JIRA)]

Mars created KNOX-1055:
--------------------------

             Summary: 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
             Fix For: 0.14.0


I am a beginner of apache knox. When I use knox to proxy my sparkhistoryui, I 
meet this problem.

 <a 
href="/history/application_1505879554093_0036/stages/stage?id=0{color:#d04437}&amp;{color}attempt=0"
 class="name-link">

Some query parameters in the response body of the spark history ui contain a 
"&amp;".
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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