504 Gateway Timeout ELB









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This is my current project set up.



Client --> AWS ELB (Classic) -->Node Js ---> AWS ELB (Classic) --> Tomcat (Java Application)



I have the AWS ELB's idle time out configured to 600 seconds across all the instances. Also nodeJS server timeouts are set to 600 seconds using server.setTimeout() .



When i execute a request from the browser after around two minutes i get a 504 Gateway Timeout error.



After researching online and following suggestions i was able to narrow down the problem to AWS ELB connecting to the Node JS. Also turning ELB logs did not yield any exceptions to pinpoint the problem .



My client code is react based and we use request (http) library to make the connections to node.js . No where in the client code we set the timeout in http calls.



  1. Why does the ELB times out after 2 minutes in spite of having the idle timeout set at 600 seconds (10 minutes)?


  2. Where else should i look for the 2 minute timeout setting in the above set up? Does the request library have any default timeout?










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    up vote
    0
    down vote

    favorite












    This is my current project set up.



    Client --> AWS ELB (Classic) -->Node Js ---> AWS ELB (Classic) --> Tomcat (Java Application)



    I have the AWS ELB's idle time out configured to 600 seconds across all the instances. Also nodeJS server timeouts are set to 600 seconds using server.setTimeout() .



    When i execute a request from the browser after around two minutes i get a 504 Gateway Timeout error.



    After researching online and following suggestions i was able to narrow down the problem to AWS ELB connecting to the Node JS. Also turning ELB logs did not yield any exceptions to pinpoint the problem .



    My client code is react based and we use request (http) library to make the connections to node.js . No where in the client code we set the timeout in http calls.



    1. Why does the ELB times out after 2 minutes in spite of having the idle timeout set at 600 seconds (10 minutes)?


    2. Where else should i look for the 2 minute timeout setting in the above set up? Does the request library have any default timeout?










    share|improve this question

























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      This is my current project set up.



      Client --> AWS ELB (Classic) -->Node Js ---> AWS ELB (Classic) --> Tomcat (Java Application)



      I have the AWS ELB's idle time out configured to 600 seconds across all the instances. Also nodeJS server timeouts are set to 600 seconds using server.setTimeout() .



      When i execute a request from the browser after around two minutes i get a 504 Gateway Timeout error.



      After researching online and following suggestions i was able to narrow down the problem to AWS ELB connecting to the Node JS. Also turning ELB logs did not yield any exceptions to pinpoint the problem .



      My client code is react based and we use request (http) library to make the connections to node.js . No where in the client code we set the timeout in http calls.



      1. Why does the ELB times out after 2 minutes in spite of having the idle timeout set at 600 seconds (10 minutes)?


      2. Where else should i look for the 2 minute timeout setting in the above set up? Does the request library have any default timeout?










      share|improve this question















      This is my current project set up.



      Client --> AWS ELB (Classic) -->Node Js ---> AWS ELB (Classic) --> Tomcat (Java Application)



      I have the AWS ELB's idle time out configured to 600 seconds across all the instances. Also nodeJS server timeouts are set to 600 seconds using server.setTimeout() .



      When i execute a request from the browser after around two minutes i get a 504 Gateway Timeout error.



      After researching online and following suggestions i was able to narrow down the problem to AWS ELB connecting to the Node JS. Also turning ELB logs did not yield any exceptions to pinpoint the problem .



      My client code is react based and we use request (http) library to make the connections to node.js . No where in the client code we set the timeout in http calls.



      1. Why does the ELB times out after 2 minutes in spite of having the idle timeout set at 600 seconds (10 minutes)?


      2. Where else should i look for the 2 minute timeout setting in the above set up? Does the request library have any default timeout?







      node.js amazon-web-services






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      share|improve this question













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      share|improve this question








      edited Nov 10 at 4:17

























      asked Nov 10 at 3:40









      user7246161

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