Hello @all! I have a problem which I cannot solve:
When trying to run a statement on my running db via JDBC I get the following error: java.sql.SQLException: malformed database schema (B_TEST_IDX) - no such table: main.BREATHS at org.sqlite.DB.throwex(DB.java:288) at org.sqlite.NativeDB.prepare(Native Method) at org.sqlite.DB.prepare(DB.java:114) at org.sqlite.Stmt.executeQuery(Stmt.java:89) at eu.aceos.aeroscan.db.DBDAO.getPersons(DBDAO.java:74) at eu.aceos.aeroscan.db.DBDAO.main(DBDAO.java:258) Exception in thread "main" java.lang.NullPointerException at eu.aceos.aeroscan.db.DBDAO.getPersons(DBDAO.java:83) at eu.aceos.aeroscan.db.DBDAO.main(DBDAO.java:258) The table has nothing to do with my request, as you will see: public class DBDAO implements DBInterface { private static Connection connection = null; //filename ist derzeit der path + filename, derzeit //C:\\develop\\aeroscan.sqlite public static Connection connect(String filename) { if (connection == null) { String url = "jdbc:sqlite:" // + SettingsManager.getInstance().getDBDirectory() + filename; try { Class.forName("org.sqlite.JDBC"); // Treiber laden } catch (Exception e) { //todo: logger, dass der Treiber nicht geladen werden konnte return null; } // Verbindung zur Datenbank öffnen (unter Verwendung der // Konstanten, die oben definiert wurden) try { // todo: url noch das user und passwd zufügen! connection = DriverManager.getConnection(url); } catch (SQLException e) { e.printStackTrace(); return null; } } return connection; } public ArrayList<TestPerson> getPersons() { ResultSet rs = null; // ein ganz normales SQL-Statement wird als String angelengt String query = "SELECT * FROM TEST_PERSON;"; // Abfrage durchfuehren und im Fehlerfall eine Meldung ausgeben try { Statement stmt = connection.createStatement(); rs = stmt.executeQuery(query); // Abfrage ausfuehren } catch (SQLException e) { e.printStackTrace(); } catch (NullPointerException e) { e.printStackTrace(); } try { while (rs.next()) { System.out.println(rs.getString("NAME")); // NAME ist Spaltenbezeichnung } } catch (SQLException e) { e.printStackTrace(); } return new ArrayList<TestPerson>(); } } When I drop the table BREATHS, which is actually existing, nothing changes. All that is happening is that a cascade of these sql-errors appear following the next of tables, then the next, ... What is wrong, here? Thanks in advance, Tamara _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users