我在java中使用SQLite JDBC driver 3.7.2将一些数据写入数据库文件。当我尝试在命令行上打开数据库文件时,我收到一条错误消息:
“无法打开数据库test.db:文件已加密或不是数据库”
我做了一个最小的例子,它导致了这个行为:
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Statement;
public class PlaygroundSQLite {
public static void insertIntoDB(String dbFilename, String tablename){
try {
Class.forName("org.sqlite.JDBC");
Connection conn = DriverManager.getConnection("jdbc:sqlite:"+dbFilename);
PreparedStatement prep = conn.prepareStatement("insert into " + tablename + "( id, text) values (?, ?);");
prep.setString(1, "1FD22A38");
prep.setString(2, "This is a simple test");
prep.addBatch();
conn.setAutoCommit(false);
prep.executeBatch();
conn.setAutoCommit(true);
conn.close();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
}
public static void createDB(String dbFilename, String tablename){
try {
Class.forName("org.sqlite.JDBC");
Connection conn = DriverManager.getConnection("jdbc:sqlite:" + dbFilename);
Statement stat = conn.createStatement();
stat.executeUpdate("drop table if exists test;");
stat.executeUpdate("create table " + tablename + " (key INTEGER PRIMARY KEY, id TEXT , text TEXT);");
conn.close();
stat.close();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
String dbFilename = "test.db";
String tablename = "test";
PlaygroundSQLite.createDB(dbFilename, tablename);
PlaygroundSQLite.insertIntoDB(dbFilename, tablename);
}
}
发布于 2012-10-10 15:09:27
这里的问题是JDBC驱动程序(版本3.7.2)和我机器上安装的SQLite版本(版本2.8.17)之间的版本不匹配。使用sqlite3二进制文件解决了这个问题。
发布于 2013-08-09 15:07:59
有没有这样的东西:“java中的SQLite JDBC driver 3.7.2”?我知道JavaDB (Derby),但不知道SQLite内部实际上有JavaDB驱动程序。
发布于 2018-08-13 02:28:12
尝试以下代码:
Properties config = new Properties();
config.put("journal_mode", "WAL");
Class.forName("org.sqlite.JDBC");
Connection conn = DriverManager.getConnection("jdbc:sqlite:"+dbFilename,config);
https://stackoverflow.com/questions/12803140
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