进程生成器导致error2无法找到指定的路径，即使命令从cmd运行。开发者社区

文章/答案/技术大牛

发布

    public static void executeCommant(String... command) throws Exception {
        ProcessBuilder processBuilder = null;
        processBuilder = new ProcessBuilder(command);
        processBuilder.redirectErrorStream(true);
        Process process = processBuilder.start();
        int resultCode = process.waitFor();
        if (resultCode != 0) {
            throw new Exception("" + readCommandOutput(process.getInputStream()));
private static String readCommandOutput(InputStream inputStream) throws IOException {
        StringBuilder sb = new StringBuilder();
        BufferedReader br = null;
        try {
            br = new BufferedReader(new InputStreamReader(inputStream));
            String line = null;
            while ((line = br.readLine()) != null) {
                sb.append(line + System.getProperty("line.separator"));
        } finally {
            br.close();
        return sb.toString();
public static void main(String[] args) throws Exception {
        executeCommant("mysqldump -u root -P 3316 -h localhost > G:\\test.sql");
    }

Exception in thread "main" java.io.IOException: Cannot run program "mysqldump -u root -P 3316 -h localhost > G:\test.sql": CreateProcess error=2, The system cannot find the file specified
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:470)
    at com.etq.e2mc.platform.windows.WindowsProcess.executeCommant(WindowsProcess.java:46)
    at com.etq.e2mc.platform.windows.WindowsProcess.main(WindowsProcess.java:67)
Caused by: java.io.IOException: CreateProcess error=2, The system cannot find the file specified
    at java.lang.ProcessImpl.create(Native Method)
    at java.lang.ProcessImpl.<init>(ProcessImpl.java:177)
    at java.lang.ProcessImpl.start(ProcessImpl.java:28)
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:452)
    ... 2 more

ProcessBuilder processBuilder = new ProcessBuilder(
        "mysqldump", "-u", "root", "-P", "3316", "-h", "localhost");
processBuilder.redirectErrorStream(true);

推荐文章

跑龙套的开水瓶 · MySql使用mysqldump 导入与导出方法总结 - sucre_tan

2 月前

爽快的红烧肉 · Mysqldump备份和恢复 - xj-record

1 周前

独立的小狗 · 2022强化学习的方向？ - 知乎

1 年前

博学的双杠 · ASP.NET Core MVC 中的视图 | Microsoft Learn

2 年前

低调的炒面 · NIO学习笔记——缓冲区（Buffer）详解_什么是putbuffer_孙悟空2015的博客-CSDN博客

2 年前

威武的板凳 · 新闻伦理视野下的AIGC：冲击与反思_人工智能_ChatGPT_行业

2 年前

旅途中的热水瓶 · javascript - js提前声明了全局变量,然后在局部作用域里面赋值,再到全局作用域取值就获取不到变量了? - SegmentFault 思否

2 年前

问 进程生成器导致error2无法找到指定的路径，即使命令从cmd运行。 EN

Stack Overflow用户