ProcessBuilder 执行命令行

/**
     * 用java执行命令行
     * @param cmdList 要执行的命令
     * @param workDir  执行的工作目录，建议就是执行文件的目录
     */
    private void performCommand(List<String> cmdList, String workDir){
        final ProcessBuilder builder = new ProcessBuilder((String[]) cmdList.toArray(new String[cmdList.size()]));
        builder.directory(new File(workDir));
        Thread thread = new Thread(new Runnable() {
            public void run() {

                try {
                    final Process process = builder.start();
                    final AtomicBoolean programDestroy = new AtomicBoolean(false);
                    Runtime.getRuntime().addShutdownHook(new Thread() {
                        public void run() {
                            programDestroy.compareAndSet(false, true);
                            process.destroy();
                        }
                    });
                    int exitCode = process.waitFor();
                    if (exitCode != 0 && !programDestroy.get()) {
                        // to do 改为log记录
                        System.out.println("Unexpected error occur at filebeat exit, code={}" + exitCode);
                    }
                } catch (IOException var5) {
                    // to do 改为log记录
                    System.out.println("Unexpected error occur at filebeat startup" + var5);
                } catch (InterruptedException var6) {
                    // ignore
                }
            }
        });
        thread.start();
    }

// 执行java -jar
    @Test
    public void testSyntaxError() throws IOException {
        List<String> cmdList = new ArrayList();
        cmdList.add("java");
        cmdList.add("-jar");
        cmdList.add("echo-server.jar");
        performCommand(cmdList, "D:\\bingo");
    }