I've an error and i can't figure it out why is this occurring. I search over the internet but i've found nothing conclundent. Can you help me please ? What i'm doing wrong ? How it should be written this code so that this issue will not occur anymore ?
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.sql.RowSetWriter;
import javax.sql.rowset.CachedRowSet;
import javax.sql.rowset.RowSetProvider;
public class Testing {
void example() {
try {
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
String url = "jdbc:sqlserver://localhost:1433;databaseName=Movies; integratedSecurity=true";
Connection connect = DriverManager.getConnection(url);
Statement s = connect.createStatement();
ResultSet rs = s.executeQuery("select filmname from tblFilm where filmRuntimeMinutes <100");
CachedRowSet cached = RowSetProvider.newFactory().createCachedRowSet();
cached.populate(rs); // populam cached row set cu datele obtinute din ResultSet
cached.moveToInsertRow(); //mutam cursorul pentru a permite modificari
cached.updateString(1, "Ionut Asaftei"); //aplicam modificarea pe coloana dorita
cached.insertRow(); //are ca efect introducerea noii inregistrari doar in row set (nu se conecteaza inca la baza de date
cached.moveToCurrentRow(); // muta cursorul pe ultima pozitie retinuta /amintita / curenta
cached.setTableName("tblFilm");
cached.acceptChanges(connect); //modificarile sunt salvate pe server
while(cached.next()) {
System.out.println(cached.getString(1));
}
}catch(ClassNotFoundException | SQLException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
Testing obj = new Testing();
obj.example();
}
}
Exception:
javax.sql.rowset.spi.SyncProviderException: 1 conflicts while synchronizing
at com.sun.rowset.internal.CachedRowSetWriter.writeData(Unknown Source)
at com.sun.rowset.CachedRowSetImpl.acceptChanges(Unknown Source)
at com.sun.rowset.CachedRowSetImpl.acceptChanges(Unknown Source)
at Testing.example(Testing.java:31) at Testing.main(Testing.java:55)
