var fs = require('fs');
var realPath = 'no data';
try{
  console.log('1');
  try{
    console.log('2');
    realPath = fs.realpathSync('/nofile');
    console.log('3');
  }catch(inner_error){
    console.log('inner error');
    console.log(inner_error);
  }finally{
    console.log('inner finally:'+realPath);
  }
}catch(outer_error){
  console.log('outer error');
  console.log(outer_error);
}finally{
  console.log('outer finally:'+realPath);
}

1
2
inner error
{ [Error: ENOENT, no such file or directory '/nofile'] errno: 34, code: 'ENOENT', path: '/nofile', syscall: 'lstat' }
inner finally:no data
outer finally:no data