java.io.IOException :Cannot run program "mysql":CreateProcess error=2, 系统找不到指定的文件

Question

我的数据库恢复程序出了点问题，这个错误掩盖了我的快乐:

java.io.IOException: Cannot run program "mysql":CreateProcess error=2, The system cannot find the file specified

要恢复的文件位于 D:/Backup/backup.sql 中，当我从该路径浏览并打开文件时，当我单击恢复按钮时出现错误。请帮我解决这个问题。下面是我使用 JFileChooser 浏览文件位置的代码。

browseButton.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent event){

     String recPath = "";
         JFileChooser fc = null;
        if (fc == null) {
            fc = new JFileChooser();
            fc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
            fc.setAcceptAllFileFilterUsed(false);
    }
    int returnVal = fc.showDialog(null, "Open");
    if (returnVal == JFileChooser.APPROVE_OPTION) {
        File file = fc.getSelectedFile();
        recPath = file.getAbsolutePath();

        sourceField.setText(recPath);   


    }

}   

}

);


recoveryButton.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent event){

    try{

        String databaseName ="jdbc:mysql://localhost:3306/myDB";
        String userName     ="abc";
        String password     ="123";
        String source       = sourceField.getText();
        int processComplete;

        String[] executeCmd = new String[]{"mysql",databaseName, "--user=" + userName, "--password=" + password, "-e", "source"+source};

        //sava the command in a array
        Process runtimeProcess = Runtime.getRuntime().exec(executeCmd);// execute the command

        processComplete = runtimeProcess.waitFor();// get the result to variable

        if(processComplete==1){
        JOptionPane.showMessageDialog(null, "Restore Failed");
        }

        else if(processComplete==0){

        JOptionPane.showMessageDialog(null, "Restore Completed");

        }

        }
        catch(Exception ex){

        JOptionPane.showMessageDialog(null,ex); 

        }

        }


}   


);

Answer 1

您应该将“mysql”的路径添加到“路径”变量中或在您的代码中指定完整路径:

尝试

String[] executeCmd = new String[]{"\FULL PATH HERE\mysql",databaseName, "--user=" + userName, "--password=" + password, "-e", "source"+source};

代替

String[] executeCmd = new String[]{"mysql",databaseName, "--user=" + userName, "--password=" + password, "-e", "source"+source};