Simulation case:
```
touch testfile
ln -s testfile testlink
mv testfile testfile1
```

code:
```
    public static void main(String[] args) throws IOException {
        Files.copy(Paths.get("/data/testfiles/testlink"), Paths.get("/data/testfiles/xx"));
    }
```

Program current information：
Exception in thread "main" java.nio.file.NoSuchFileException: /data/testfiles/testlink


Devops check file exists with ll