Where did you put the postgres jar, and where is it referenced in the
classpath?
Dave
On Thu, 2002-07-25 at 15:10, Ribamar FS wrote:
> Hi!
>
> Help me with this sample. It don't work:
>
> Linux Conectiva
> Postgresql 7.2.1
> pgjdbc2.jar
>
> /etc/profile
> JAVA_HOME="/usr/java/jsdk"
> J2EE_HOME="/usr/java/j2ee"
> CLASSPATH=".:$JAVA_HOME/lib:$J2EE_HOME/lib:/usr/java/jsdk/corejava/corejava.zip"
> J2EE_CLASSPATH=$CLASSPATH
> PATH="$PATH:$JAVA_HOME/bin:$J2EE_HOME/bin"
> export JAVA_HOME J2EE_HOME CLASSPATH J2EE_CLASSPATH
>
>
> import java.sql.*;
> public class SQLStatement {
> public static void main(String args[]) {
> String url = "jdbc:postgresql:javatest";
> Connection con;
> String query = "select col1 from test";
> Statement stmt;
> try {
> Class.forName("org.postgresql.Driver");
> } catch(java.lang.ClassNotFoundException e) {
> System.err.print("ClassNotFoundException: ");
> System.err.println(e.getMessage());
> }
> try {
> con = DriverManager.getConnection(url,"postgres", "postgres");
>
> stmt = con.createStatement();
>
> ResultSet rs = stmt.executeQuery(query);
> ResultSetMetaData rsmd = rs.getMetaData();
> int numberOfColumns = rsmd.getColumnCount();
> int rowCount = 1;
> while (rs.next()) {
> System.out.println("Linha " + rowCount + ": ");
> for (int i = 1; i <= numberOfColumns; i++) {
> System.out.print(" Coluna " + i + ": ");
> System.out.println(rs.getString(i));
> }
> System.out.println("");
> rowCount++;
> }
> stmt.close();
> con.close();
>
> } catch(SQLException ex) {
> System.err.print("SQLException: ");
> System.err.println(ex.getMessage());
> }
> }
> }
>
>
> Errors:
> ClassNotFoundException: org/postgresql/Driver
> SQLException: driver not found: jdbc:postgresql:javatest
>
>
> Thank you for attention. Sorry ny english (brasilian).
>
>
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