[英]Backup mysql from remote database with mysqldump process error
我想備份我的遠程mysql數據庫。 我查看了許多示例,但找不到正確的答案。 我的計算機上有mysql服務器,其名稱與遠程數據庫不同,只想在計算機上創建sql文件以獲取副本。 我的按鈕操作執行的代碼是:
try {
String cs = "jdbc:mysql://db4free.net:3306/DBNAME?user=DBUSER&password=DBPASSWORD";
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection connection = java.sql.DriverManager.getConnection(cs);
String executeCmd = "";
if (connection != null) {
executeCmd = "mysqldump -hwww.db4free.net -u DBUSER -pDBPASSWORD DBNAME > backup.sql";
Process runtimeProcess = Runtime.getRuntime().exec(new String[] { "cmd.exe", "/c", executeCmd });
int processComplete = runtimeProcess.waitFor();
if (processComplete == 0) {
JOptionPane.showMessageDialog(rootPane, "OK");
} else {
JOptionPane.showMessageDialog(rootPane, "Didn't make a copy.");
}
} else {
JOptionPane.showMessageDialog(rootPane, "Failed");
}
} catch (Exception e) {
e.printStackTrace();
}
該系統找不到指定的文件
嘗試將路徑添加到文件
executeCmd = "/usr/bin/mysqldump -hwww.db4free.net -u DBUSER -pDBPASSWORD DBNAME > backup.sql";
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