Spring boot embedded tomcat threadpool configuration

Question

Application is built using spring boot.My application uses application.yaml for external config .But when i am trying to add below config in application.yaml , application fails to start with error as tomcat is not valid.However similar equivalent config I have tried in another application with application.propeties it works there.

server:
    port:8080
    tomcat:
      max-threads:500
      accept-count:500
      max-connections:10000
      min-spare-threads:500

did you try with a application.properties file with server.tomcat.max-threads=500 ? This could tell you if the error is in your yaml. — Datz, Jan 26 '21 at 08:33
yes application.properties i tried with that application , it works fine but with application.yaml it says error — apoorvanand, Jan 26 '21 at 08:38
Maybe any invisible chars in the yaml? Rewrite the yaml manuall and take care on the indents. — Datz, Jan 26 '21 at 08:39
Please provide a [Minimal, Complete, and Verifiable Examples](http://stackoverflow.com/help/mcve). — Clijsters, Jan 26 '21 at 08:57
Please [edit](https://stackoverflow.com/posts/65897933/edit) your question and add the error log lines. — Piotr P. Karwasz, Jan 26 '21 at 18:26

Vali7394 · Answer 1 · 2021-09-28T20:59:08.547

3

What is the springBoot version being used in the other application ?

FYI server.tomcat.max-threads is deprecated since Springboot 2.3, now use server.tomcat.threads.max in your Spring application.properties. https://docs.spring.io/spring-boot/docs/2.4.0/reference/html/appendix-application-properties.html#common-application-properties

edited Sep 28 '21 at 20:59

answered Sep 28 '21 at 20:49

Vali7394

441
5
10

score 0 · Answer 2 · answered Jan 26 '21 at 08:45

For me this seems to work in application.yaml

server:
    port: 8080
    tomcat: 
        max-threads: 500
        accept-count: 500
        max-connections: 10000
        min-spare-threads: 500

or this in application.properties

server.port = 8080
server.tomcat.max-threads = 500
server.tomcat.accept-count = 500
server.tomcat.max-connections = 10000
server.tomcat.min-spare-threads = 500

If it doesn't work, maybe there is an error in your dependencies?

Spring boot embedded tomcat threadpool configuration

2 Answers2