java - JDBC preparedstatement convert control character to question mark -


a problem occurring when inserting control character(/u0096). preparedstatement converting "?". occurs in cases.

it happens in these 2 cases:

"– varmer å få prisen" "hestnes – et industrieventyr"

in other uses of character nothing , insert "-" in database.

i tried convert normal "-", same results.

    preparedstatement prepstmt = makeinsertnewsitemstatement();          ( newsitem item : uniqueitems ) {             try {                 if ( !resultset.next() ) {                      prepstmt.setstring( 1, item.gettitle() );                     prepstmt.setstring( 2, item.getdescription() );                     prepstmt.setstring( 3, item.getlink() );                     prepstmt.setint( 4, item.getfeedid() );                     prepstmt.settimestamp(                              5, item.getpubdate() == null ?                                      new timestamp(new date().gettime()) :                                      new timestamp( item.getpubdate().gettime() ) );                                     prepstmt.setstring( 6, item.getauthor() );                                    prepstmt.setstring( 7, company.getcompanyid() == 20 ? null : item.getpictureurl() );                      prepstmt.executeupdate();                  }                              } catch ( sqlexception ex ) {                 logger.getlogger( masterdbcontroller.class.getname() ).log( level.severe, null, ex );                 continue;             } ...   private preparedstatement makestatement( string sql ) {         preparedstatement prepstmt = null;         try {             prepstmt = companyconnection.preparestatement( sql );         } catch ( sqlexception ex ) {             logger.getlogger( companydbcontroller.class.getname() ).log( level.severe, null, ex );         }         return prepstmt;                     }      private preparedstatement makeinsertnewsitemstatement() {         string sql = "insert app_feededitor_newsitems"                 + "(title, ingress, url, feed_id, published, source, picture_url)"                 + "values (?, ?, ?, ?, ?, ?, ?)";         return makestatement( sql );            }

the character in item.title()


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