German characters problem when calling Web Services via UTL_HTTP

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  Dear all,
  
  When I call the SOAP using APEX_WEB_SERVICE Web services. MAKE_REQUEST, so I'm able to get the response from the web service. Character, however all the German are replaced by those of the JUNK. However the data just fine when I test web services using SOAP UI.
  
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  ORA-24247: access denied by network access control list
  
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  < Li > why German characters are replaced with the data side when calling WebService from APEX, while it works very well in SOAP UI
  < Li > when can I access web service successfully using APEX_WEB_SERVICE, then why he throws error ORA-24247 when I call using UTL_HTTP?
  
  
  DB: Oracle Database 11 g Enterprise Edition Release 11.2.0.1.0 - 64 bit Production
  APEX: 4.0.2.00.07
  Web server: EPG
  

  SELECT * FROM NLS_DATABASE_PARAMETERS;
  
  PARAMETER                      VALUE                                  
  ------------------------------ ----------------------------------------
  NLS_LANGUAGE                   AMERICAN                                 
  NLS_TERRITORY                  AMERICA                                  
  NLS_CURRENCY                   $                                        
  NLS_ISO_CURRENCY               AMERICA                                  
  NLS_NUMERIC_CHARACTERS         .,                                       
  NLS_CHARACTERSET               AL32UTF8                                 
  NLS_CALENDAR                   GREGORIAN                                
  NLS_DATE_FORMAT                DD-MON-RR                                
  NLS_DATE_LANGUAGE              AMERICAN                                 
  NLS_SORT                       BINARY                                   
  NLS_TIME_FORMAT                HH.MI.SSXFF AM                           
  NLS_TIMESTAMP_FORMAT           DD-MON-RR HH.MI.SSXFF AM                 
  NLS_TIME_TZ_FORMAT             HH.MI.SSXFF AM TZR                       
  NLS_TIMESTAMP_TZ_FORMAT        DD-MON-RR HH.MI.SSXFF AM TZR             
  NLS_DUAL_CURRENCY              $                                        
  NLS_COMP                       BINARY                                   
  NLS_LENGTH_SEMANTICS           BYTE                                     
  NLS_NCHAR_CONV_EXCP            FALSE                                    
  NLS_NCHAR_CHARACTERSET         AL16UTF16                                
  NLS_RDBMS_VERSION              11.2.0.1.0                               
  
   20 rows selected

  Kind regards
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  The solution was...

  I just put following line before making the call to the web service by using APEX_WEB_SERVICE. MAKE_REQUEST.

  /*In my case DB character-set is AL32UTF8, so I set it to UTF-8. */
  
  UTL_HTTP.SET_BODY_CHARSET ('UTF-8');
  

  More information see SET_BODY_CHARSET procedures

  If I do not set this, it uses the as ISO-8859-1 character set, which is the cause of my problem.

  Kind regards
  Hari

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  Kind regards

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