I'm using grails 2.0.4. And I want to use port:8090 instead of 8080 for localhost. So need help to change the port to 8090 permanently.
13 Answers
This solution adds to the answers http://stackoverflow.com/a/10956283/122457. In Grails 2.x,
add the following to BuildConfig.groovy
:
grails.server.port.http = 8090
See http://forum.springsource.org/archive/index.php/t-97024.html for further details.
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This is the better solution. Has less moving parts. – chubbsondubs Apr 07 '14 at 17:37
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I tried this method and it did not work, is there a specific section in which this should be placed? I stuck it under the `grails.project.target.level` section, and it appeared to have no effect. – Ted Delezene Feb 13 '15 at 22:51
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@TedDelezene this doesn't go under any other section. Did you restart the application after changing the configuration? - Because only that would reload the configuration (and your change of it). – HumanInDisguise Mar 23 '15 at 14:55
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Yes I did, and it didn't work for me, however now I just start it with the -Dserver.grails.port.http=49494 option. – Ted Delezene Mar 23 '15 at 18:41
There are two options:
- Change
grails.serverURL
inConfig.groovy
from"http://localhost:8080/${appName}"
to"http://localhost:8090/${appName}"
. - Launch grails with
-Dgrails.server.port.http=8090
on the command line. Set theGRAILS_OPTS
environment variable to-Dgrails.server.port.http=8090
to have it applied automatically.

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If you are using Netbeans IDE then set the following -:
Config: -> BuildConfig.groovy: -> grails.server.port.http = 8090 and restart the server.
Without IDE, type in the command prompt -:
grails -Dserver.port 8090 run-app
or
grails -Dserver.port=8090 run-app
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@Gautam There was no field like grails.server.port.http in my BuildConfig, so I manually added it and tried but it gave response like 8080 in use(I was using it to deploy using tomcat). What could be the problem I have made. I have put grails.server.port.http = 8090 at the very beginning of BuildConfig – padippist Apr 04 '16 at 06:41
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Try to kill all port of 80 and then try. For linux use '' sudo fuser -n tcp -k 80 '' or ' lsof -t -i:8080 ' in terminal – Gautam May 09 '17 at 11:12
For grails 3 you can put this in your application.yml
server:
port: 9999

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Why is this so highly upvoted? The OP asked about grails 2. This answer is entirely irrelevant. – Peter LaBanca Jul 29 '22 at 12:43
Run the command (Ctrl+Alt+g)
- Up to grails version 2.x :
run-app -Dserver.port=8090
- For grails version 3.x :
run-app --port=8090

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If you are using IntelliJ IDE then
From the application menu click Run >> Edit Configurations... >> VM options: -Dgrails.server.port.http=8180

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grails run-app -Dserver.port=8090
Or use another port number
In Intellij: Ctrl+Alt+G (keyboard Generic); Cmd+Alt+G (keyboard Mac) and use only:
run-app -Dserver.port=8090

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Same here, it didn't worked for me. I am on grails 1.3.7 running on Mac OS 13.12.3. I think it is not OS specific issue. – Umesh Chauhan Feb 09 '17 at 06:56
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Check the guide in the section: 2.7 Running an Application... http://docs.grails.org/1.3.7/guide/single.html You can specify a different port by using the server.port argument: grails -Dserver.port=8090 run-app – Samuel Seda Feb 10 '17 at 15:14
Add/Update the value of port from your application.yml (grails-app/conf/application.yml)
environments:
development:
server:
port: "8090"
Or
server:
port: "8090"

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Type following in the command line:
grails -Dserver.port=8090 run-app

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You didn't say what IDE you are using. If you are using Netbeans you just right-click on the project name and choose Properties. From the General Settings Category, you can easily change the server port to whatever you like.

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You can run grails app using the following command on the terminal. default running port is 8080.
grails run-app -Dserver.port=9090
This will run the app on port 9090.

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For Grails 4 required two settings
server:
port: "8085"
grails:
serverURL: http://localhost:8085
Second one will solve redirection issues
Or only for dev:
environments:
development:
server:
port: "8085"
grails:
serverURL: http://localhost:8085

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