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    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);

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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

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