Why is Spring Boot extremely slow to start up on Mac OSX Mavericks (10.9.2)?

Asked 8/5, 2014 at 20:38 Answered 9/5, 2014 at 17:38

Solved spring sts-springsourcetoolsuite spring-boot

I don't have any other issues with java and STS starts up fine but when I try to run my app as "Run as Spring Boot App" (or any of the samples), the console is empty for up to 5 minutes, before I get the familiar "Spring Boot" ASCII art. Then it works fine.

Vallie answered 8/5, 2014 at 20:38 Comment(2)

Wow that's bad. What if you run them from the command line? Is it any better the second time (after Maven dependencies are cached)? – Krone 8/5, 2014 at 21:6

Happened to me too after Sierra upgrade. – Lazaretto 29/1, 2017 at 7:34

Turns out there was an issue resolving the network host. I fixed it by executing this command from the console:

scutil --set HostName "localhost"

Vallie answered 9/5, 2014 at 17:38 Comment(10)

Wow, applying this fix took my spring-boot startup down from 60 seconds to < 3, it was driving me mad! – Costa 8/11, 2015 at 22:21

Works great on MacOS Sierra – Grison 27/9, 2016 at 0:23

Wow this just reduced my server startup time by 30 seconds. – Mercedezmerceer 12/10, 2016 at 21:59

Great! Could you point out the difference between setting a "real" name vs. using "localhost"? – Gesso 26/1, 2017 at 13:54

Same... Wow.... I wonder if Springboot could add a check for this issue. Any idea why this slows it down so much? – Bernini 3/2, 2017 at 17:16

Paul, please, how can you find out this solution? Very good. The startup time down 60 seconds to 5 seconds. Thanks! – Copperas 29/4, 2017 at 21:16

Anyone knows why this helps? Thanks! – Arredondo 4/8, 2017 at 15:49

Worked like a charm on Mojave. I don't know why this issue persists for such a long time. – Absorption 4/6, 2019 at 9:14

This works also in MacOS Catalina. I've also added it to the .bash_profile so it's always set from start. – Hydrops 11/3, 2020 at 14:40

Confirm working on Big Sur 11.5.1 (20G80). Startup time reduced from 16 seconds to 1 second. – Wormwood 16/8, 2021 at 5:3

It must be something with you environment. You may try running the app in other IDE like Intellij. I presume it's the STS causing the problem. You may also try running it in fresh STS installation. I'm using latest OSX and Intellij and have no problems.

If you want to play around with this you could also analyse a java code dump to see what's happening inside your jvm: http://www.javacodegeeks.com/2013/02/analysing-a-java-core-dump.html

Rosmunda answered 8/5, 2014 at 21:46 Comment(1)

You might not need a core dump. A simple thread dump (from kill -3, or jstack) would probably tell you a lot. – Krone 8/5, 2014 at 22:53

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