Arquivo .jasper não encontrado

import java.sql.<em>;

import java.util.HashMap;

import java.util.Map;

import net.sf.jasperreports.engine.JRResultSetDataSource;

import net.sf.jasperreports.engine.</em>;

import net.sf.jasperreports.view.JasperViewer;

private static Connection getConnection() throws ClassNotFoundException, SQLException{
    String driver = "org.gjt.mm.mysql.Driver";
    String url = "jdbc:mysql://localhost/fazenda";
    String usuario = "root";
    String senha = "root";
    Connection conexao;
    Statement statement;
    ResultSet resultset;

    Class.forName(driver);
    conexao = DriverManager.getConnection(url,usuario,senha);
    return conexao;
    
}


public void geraRelatorio() throws JRException, ClassNotFoundException, SQLException{
    
    Connection con = getConnection( ); 
    Statement stm = con.createStatement( ); 
    String query = "select * from categoriaanimal"; 
    ResultSet rs = stm.executeQuery( query );
        
    
   
   JRResultSetDataSource jrRs = new JRResultSetDataSource(rs);
   Map parameters = new HashMap();
    
   JasperFillManager.fillReportToFile("RelatorioLancamentos.jasper", parameters, jrRs );
   JasperExportManager.exportReportToPdfFile( "RelatorioLancamentos.jrprint" );
   JasperViewer.viewReport( "RelatorioLancamentos.pdf", false );
   }
   public static void main(String[] args) throws JRException, ClassNotFoundException, SQLException{ 
       new RelatorioCategoria().geraRelatorio(); 
   }

new java.io.File("caminho").exists()