Express js Response Timeout

Question

PROBLEM  I ve been looking for request response timeouts for Express js but everything seems to be related to the connection rather than the request response itself   If a request is taking a long time  it should be timed out  Obviously this shouldn t happen but even a simple mistake as having a route handler without a call to the callback or without res send    the browser will keep waiting for a reply forever   An empty route handler is a perfect example of this   app get   sessions    function req  res  callback        FIX  I added the following before app use app router   and it seemed to add the timeout functionality  Does anyone have any experience opinion on this   app use function req  res  next       res setTimeout 120000  function            console log  Request has timed out                 res send 408                    next          Note that I ve set the timeout to 2 minutes

User · Answer

You don t need other npm modules to do this var server   app listen    server setTimeout 500000    inspired by https   github com expressjs express issues 3330 or app use function req  res  next       res setTimeout 500000  function               call back function is called when request timed out              next

User · Answer

In case you would like to use timeout middleware and exclude a specific route   var timeout   require  connect-timeout    app use timeout  5s       set 5s timeout for all requests  app use   my route   function req  res  next        req clearTimeout       clear request timeout     req setTimeout 20000     set a 20s timeout for this request     next       get   my route   function req  res          do something that takes a long time

User · Answer

Before you set your routes  add the code   app all      function req  res  next        setTimeout function             next           120000      120 seconds

User · Answer

request setTimeout  lt  time in milliseconds  gt   does the job    https   nodejs org api http html http request settimeout timeout callback

User · Answer

An update if one is using Express 4 2 then the timeout middleware has been removed so need to manually add it with  npm install connect-timeout   and in the code it has to be  Edited as per comment  how to include it in the code    var timeout   require  connect-timeout     app use timeout  100s

User · Answer

There is already a Connect Middleware for Timeout support  var timeout   express timeout    express v3 and below var timeout   require  connect-timeout      express v4  app use timeout 120000    app use haltOnTimedout    function haltOnTimedout req  res  next     if   req timedout  next       If you plan on using the Timeout middleware as a top-level middleware like above  the haltOnTimedOut middleware needs to be the last middleware defined in the stack and is used for catching the timeout event  Thanks  Aichholzer for the update  Side Note  Keep in mind that if you roll your own timeout middleware  4xx status codes are for client errors and 5xx are for server errors  408s are reserved for when   The client did not produce a request within the time that the server was prepared to wait  The client MAY repeat the request without modifications at any later time

[node.js] Express.js Response Timeout

You don't need other npm modules to do this

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