Erro bizarro no postgre[RESOLVIDO]

import java.sql.*;
import java.util.*; 


public class TesteBanco 
{
	
	public String sql;
	
	public static void main(String[] args) 
	{
		new TesteBanco().principal();
	}
	
	public static Connection getConn() throws ClassNotFoundException, SQLException
	{
		Class.forName("org.postgresql.Driver");
		Connection con = DriverManager.getConnection("jdbc:postgresql://192.168.1.253:5432/sisref","grinder","grinder123*");
		return con;
	}
	
	public void principal()
	{
		try
		{	
			 sql = "delete from imports.tipocliente";
			getConn().createStatement().executeUpdate(sql);
			
			Statement st = getConn().createStatement();
			
			 sql = "select ci.rota_nome,ci.rota_num " +
			              " from ci_tabelao ci " +
			              " join master.centrais c on ci.codcentral = c.codcentral " +
			              " where c.mnemonico in (  select distinct l.cpamae " +
												  " from imports.acpa a " +
												  " join imports.lcg l on a.telchave = l.telchave " +
												  " where a.telchave not in ( " +
																			 " select distinct a.telchave " +
																			 " from imports.acpa a " +
																			 " join ci_tabelao ci on a.telchave = ci.rota_nome " +
																			 " join imports.lcg l on a.telchave = l.telchave " +
																			 " join master.centrais c on ci.codcentral = c.codcentral and l.ddd = c.cn " +
																			 " where ci.rota_nome !~* '[A-Z]' " +
																		   ") " +
											   ") order by ci.rota_nome,ci.rota_num"; 
							
			//System.out.println(sql);		 
		    ResultSet rs = st.executeQuery(sql);
		    while(rs.next())
		    { if(rs.getString("rota_nome").length() < 8 && 
	    		   rs.getString("rota_num").length() >= 8)
	    		{
	    			String rn[] = rs.getString("rota_num").split(",");
	    			for(int i = 0;i < rn.length;i++)
	    			{
	    				if(rn[i].trim().length() == 8)
	    				{
	    					System.out.println(rn[i]);
	    				}
	    			}
	    			for(int i = 0;i < rn.length;i++)
	    			{
	    				
	    				if(rn[i].trim().length() == 8)
	    				{
	    					sql = "insert into imports.tipocliente(rota_nome,rota_num)" +
    						"values('"+rs.getString("rota_nome")+"','"+rn[i].trim()+"');";
    				        System.out.println(sql); 
    				        getConn().createStatement().executeUpdate(sql);
	    				}

	    			}
	    		}
	    }
		}
		catch(Exception e)
		{
			System.out.println("sql com erro = " + sql);
			e.printStackTrace();
		}
	}