using express to render a page got unexpected = error nodejs
Unexpected token =
     at Object.Function (unknown source)
     at Object.compile (/home/tony/workspace/oa/node_modules/ejs/lib/ejs.js:209:12)
     at Function.compile
     at /home/job/workspace/oa/app.js:60:76
     at /home/job/workspace/oa/models.js:23:4

app.post('/login', function (req,res,next)
  {
    console.log('coming ');
   var username=req.body.username ;
   var password=req.body.password;
   reqin=req;
   resin=res;
   dbservice.findUser("usernamesome",function(err,result)
        {
        if (result.length==0) {//means not found
                         console.log("length is "+result.length);
                         resin.render('error',{message:'user not exist'});// render to
                                                                   //error page
                         }
         else  {
             console.log("length is "+result.length);
                }
        }
        );
        });