How do I change the default port 9000 that Play uses when I execute the run command

Question

How can I change the default port used by the play framework in development mode when issueing the  run  command on the play console   This is for playframework 2 0 beta   Using the http port configuration parameter either on the command line or in the application conf seems to have no effect   C  dev prototype activiti-preso gt play run --http port 8080  info  Loading project definition from C  dev prototype activiti-preso project  info  Set current project to activiti-preso  in build file  C  dev prototype activiti-preso     Windows  really  Ok  disabling colors   ---  Running the application from SBT  auto-reloading is enabled  ---   error  org jboss netty channel ChannelException  Failed to bind to  0 0 0 0 0 0 0 0 9000  error  Use  last  for the full log

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Tested with 2 3 7 Play framework  Works well       application  bin  executable  -Dhttp port 5000

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We are using Play version 2 5 6   For changing the port  go to your project root folder and hit  activator  run 8008  in command prompt   terminal   and that s it

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Hope this helps someone   via sbt settings        settings PlayKeys playDefaultPort    8855

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Specify Port in Development  By default  SBT runs the application on port 9000   sbt run   To specify a port add -Dhttp port flag  for example   sbt run -Dhttp port 8080   Using the -Dhttp port flag  you can debug multiple applications on your development machine   Please note  you can also use the -Dhttp port flag in test and production environments

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Play 2 2 0 on Windows  Using a zip distribution  produced using the  dist  command   the only way I was able to change the startup port was by first setting JAVA OPTS and then launching the application   E g   from the command line  set JAVA OPTS -Dhttp port 9002 bin myapp bat   where myapp bat is the batch file created by the  dist  command   The following would always ignore my http port parameter and attempt to start on the default port  9000  bin myapp bat -Dhttp port 9002   However  I ve noticed that this works fine on Linux OSX  starting up on the requested port     bin myapp -Dhttp port 9002

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For Play 2 2 x on Windows with a distributable tar file I created a file in the distributable root directory called   PROJECT NAME  config txt and added   -Dhttp port 8080   Where  PROJECT NAME  should be replaced with the name of your project  Then started the  PROJECT NAME  bat script as usual in the bin  directory

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Play 2 2 1 on Windows supports a PLAY OPTS environment variable   Play s play bat file contains this line   java -Dsbt ivy home    dp0repository  -Dplay home    dp0framework  -Dsbt boot properties   fp framework sbt play boot properties   PLAY OPTS  -jar    dp0framework sbt sbt-launch jar       so to run on port 9002  do  set PLAY OPTS -Dhttp port 9002 play run

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for play 2 5 x  Step 1  Stop the netty server  if it is running  using control   D  Step 2  go to sbt-dist conf  Step 3  edit this file  sbtConfig txt  with this   -Dhttp port 9005   Step 4  Start the server   Step 5  http   host 9005

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For Play 2 3 x  activator  run -Dhttp port 9001

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You can also set the HTTP port in  sbtopts in the project directory   -Dhttp port 9001   Then you do not have to remember to add it to the run task every time   Tested with Play 2 1 1

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You can set it  with other options  in a  jvmopts file inside the project root directory  -Dhttp port 9100  You can also add other options  like loading a different config file with -Dconfig file  lt config file absolute path gt   After you set your  jvmopts file you don t have to remember to add some parameters to the command line  but just do  sbt run

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Play 2 x     In Play 2  these are implemented with an sbt plugin  so the following instructions are really just sbt tasks   You can use any sbt runner  e   In Play 2  these are implemented with an sbt plugin  so the following are really just   sbt tasks   You can use any sbt runner  e g  sbt  play  or   activator    Below the sbt runner is used  but   you can substitute it for your sbt runner of choice    Play 2 x - Dev Mode  For browser-reload mode   sbt  run 8080    For continuous-reload mode   sbt   run 8080    Play 2 x - Debug Mode  To run in debug mode with the http listener on port 8080  run   sbt -jvm-debug 9999  run 8080    Play 2 x - Prod Mode  Start in Prod mode   sbt  start -Dhttp port 8080    Play 2 x - Staged Distribution  Create a staged distribution   sbt stage   For Play 2 0 x and 2 1 x use the target start script  Unix Only    target start -Dhttp port 8080   For Play 2 2 x  amp  2 3 x use the appropriate start script in the target universal stage bin directory   target universal stage bin  appname  -Dhttp port 8080   With Play 2 2 x  amp  2 3 x on Windows   target universal stage bin  appname  bat -Dhttp port 8080   Play 2 x - Zip Distribution  To create a zip distribution   sbt dist   For Play 2 0 x and 2 1 x use the start script  Unix Only  in the extracted zip   start -Dhttp port 8080   For Play 2 2 x use the appropriate script in the  appname - version  bin directory    appname - version  bin  appname  -Dhttp port 8080   With Play 2 2 x on Windows    appname - version  bin  appname  bat -Dhttp port 8080   Play 1 x  Change the http port value in the conf application conf file or pass it command line   play run --http port 8080

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From the play console  you just need to type run 8888  if you want to run it from port 8888   play gt  run 8888

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I noticed no one has mentioned achieving this through environment variables  CI CD friendly   export PLAY HTTP PORT 1234 export PLAY HTTPS PORT 1235  Once set  Play will read from those environment variables to determine the port when doing sbt run  sbt start  or when running the executable for prod deployment  See the docs for more

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We cannot change the application port from the avtivator but can change from the command line  activator   run 8080   But to run on the poet 9000 from the activator we need to stop the application which is using this port  We can use the this application to find this and end the process https   technet microsoft com en-in sysinternals bb897437 aspx   After this we can run and it will be successful

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On Windows maybe the play  run 9001  will not work  You have to change the play bat file  See Ticket

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Just add the following line in your build sbt  PlayKeys devSettings    Seq  play server http port  - gt   8080

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Play 2 0-RC4  It is important to include quotes around the play command you want to run  In my case without the quotes play would still run on port 9000   play  run 8080    Alternatively you could run the following from the play console  type  play  to get to the console   run 8080

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On windows  I use a start bat file like this   java -Dhttp port 9001 -DapplyEvolutions default true -cp    lib     play core server NettyServer       The -DapplyEvolutions default true tells evolution to automatically apply evolutions without asking for confirmation  Use with caution on production environment  of course

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for Play 2 5 x and Play 2 6 x  sbt  -Dhttp port 9002    then   run

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With the commit introduced today  Nov 25   you can now specify a port number right after the run or start sbt commands   For instance  play run 8080 or play start 8080  Play defaults to port 9000

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Version 2 0 3     Go to the project directory and just say play  and nothing after that   That will open the play console  Next  say run 8080  That will start play on port 8080     I hope this helps

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I did this  sudo is necessary     sudo play debug -Dhttp port 80      MyPlayApp    run   EDIT  I had problems because of using sudo so take care  Finally I cleaned up the project and I haven t used that trick anymore

[playframework] How do I change the default port (9000) that Play uses when I execute the "run" command?

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