** Changed in: zorba
    Milestone: None => 2.5

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https://bugs.launchpad.net/bugs/867171

Title:
  http site crashes zorba

Status in Zorba - The XQuery Processor:
  New

Bug description:
  When I try to load the page http://www.xqueryfunctions.com/xq
  /functx_fragment-from-uri.html the http module raises an error, and
  then zorba crashes at finish with the message "strings still in the
  pool".

  The test looks like:
  import module namespace http = "http://expath.org/ns/http-client";;
  variable $load-result;
  $load-result := http:send-request(<http:request method="GET" 
href="http://www.xqueryfunctions.com/xq/functx_fragment-from-uri.html"/>);
  $load-result

  
  and the error message is (after I removed some try - catch in http-client.xq):
  <?xml version="1.0" encoding="UTF-8"?>
  
<E:\xquery_development\zorba_28mai09\release\URI_PATH\com\zorba-xquery\www\modules\converters\html.xq>:85,5:
 type error [err:XPTY0004]: Cannot treat empty sequence as [NodeXQType 
documentNode content=[XQType ANY_TYPE_KIND*]]. 
  =================================================
  html:parse#1 <http://www.zorba-xquery.com/modules/converters/html> 
  
E:\xquery_development\zorba_28mai09\release\URI_PATH\org\expath\ns\http-client.xq
 at line 218 column 7
  =================================================
  http:tidy-result#2 <http://expath.org/ns/http-client> 
  
E:\xquery_development\zorba_28mai09\release\URI_PATH\org\expath\ns\http-client.xq
 at line 151 column 8
  =================================================
  http:send-request#3 <http://expath.org/ns/http-client> 
  
E:\xquery_development\zorba_28mai09\release\URI_PATH\org\expath\ns\http-client.xq
 at line 177 column 5
  =================================================
  http:send-request#1 <http://expath.org/ns/http-client> 
  E:\xquery_development\zorba_28mai09\scripts\test.xq at line 30 column 17
  i = 27 String http://saxon.sf.net/ is still in the pool
  i = 89 String http://www.w3.org/1999/xhtml is still in the pool
  Zorba Internal Fatal Error in ..\..\src\store\naive\string_pool.cpp:42:
  "count == 0": condition failed: 2 strings remain in the string pool

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