Re: Right version of jdbc

Dave Cramer
www.postgres.rocks

On Fri, 29 Sept 2023 at 06:19, Raivo Rebane <raivore55(at)gmail(dot)com> wrote:

> Hi,
>
> The code is :
> package MushroomAPIs;
>
> import java.io.IOException;
> import javax.servlet.ServletException;
> import javax.servlet.annotation.WebServlet;
> import javax.servlet.http.HttpServlet;
> import javax.servlet.http.HttpServletRequest;
> import javax.servlet.http.HttpServletResponse;
>
> import java.sql.Connection;
> import java.sql.DriverManager;
> import java.sql.PreparedStatement;
> import java.sql.ResultSet;
> import java.sql.SQLException;
> import java.sql.Timestamp;
>
> @WebServlet("/AddMushrooms")
> public class AddMushrooms extends HttpServlet implements
> java.io.Serializable {
> protected void doGet(HttpServletRequest request, HttpServletResponse
> response)
> throws ServletException, IOException {
>
> final String DB_URL = "jdbc:postgresql://localhost:5432/mushroom_database";
> final String USER = "mushroomer";
> final String PASSWORD = "";
>
> Connection connection = null;
> Timestamp LastModifiedTS = Timestamp.valueOf("1970-01-01 00:00:00");
>
> try {
> connection = DriverManager.getConnection(DB_URL, USER, PASSWORD);
>
> // SQL päring vanima timestamp-i leidmiseks
> String query = "SELECT timestamp AS oldest_timestamp FROM mushrooms";
> PreparedStatement statement = connection.prepareStatement(query);
> ResultSet resultSet = statement.executeQuery();
>
> while (resultSet.next()) {
> Timestamp oldest_timestamp = resultSet.getTimestamp("oldest_timestamp");
> if (oldest_timestamp.after(LastModifiedTS))
> LastModifiedTS = oldest_timestamp;
> }
> System.out.println("Vanim timestamp: " + LastModifiedTS);
>
> } catch (SQLException e) {
> e.printStackTrace();
> }
>
> int count = ProcAddMushrooms.GetAddMushrooms(connection, LastModifiedTS);
>
> response.getWriter().println("Added " + count + " mushrooms");
> }
> }
> and available from github - https://github.com/raaivore/APIexperiment
>
> May be somebody can help me to solve the problem ?
>
> Raivo
>
> On Fri, Sep 29, 2023 at 6:44 AM Ron <ronljohnsonjr(at)gmail(dot)com> wrote:
>
>> On 9/28/23 01:18, Raivo Rebane wrote:
>>
>> [snip]
>>
>> I made a new Java application Eclipse Dynamic WEB application and want to
>> use Postgres - PostgreSQL 10.14
>>
>> [snip]
>>
>> What's wrong. Or is better to use more newer postgres. And then which
>> jdbc-I need to use ?
>>
>>
>> https://www.postgresql.org/support/versioning/
>>
>> Pg 10 will be EOL in *6 weeks*. Thus, "yes, use a newer version of
>> Postgresql" (unless, like me, you're constrained by circumstances like "the
>> business won't let us upgrade").
>>
>> Pg 15 and the latest JDBC are in the repositories:
>> https://www.postgresql.org/download/
>>
> --
>> Born in Arizona, moved to Babylonia.
>>
>

I loaded your project in IDEA and it was referring to jdk1.7
It also looks like you still have the postgis-geometry-2.5.0.jar in the
webapp/lib dir remove it

Dave