failed to push some refs to git heroku com

Question

I am getting this error when I am trying push my files into heroku rep   Ive set autocrlf   false already in gitconfig but this problem is still there  i have also tried this solution here but no gain   Any suggestion is this possible that git is still using old config setting if yes then how can I refresh it   Thankyou  C  myapp gt git push heroku To git heroku com myapp git     rejected         master - gt  master  non-fast-forward  error  failed to push some refs to  git heroku com myapp git  To prevent you from losing history  non-fast-forward updates were rejected Merge the remote changes  e g   git pull   before pushing again   See the  Note about fast-forwards  section of  git push --help  for details      while trying git pull heroku master  warning  no common commits remote  Counting objects  215  done  remote  Compressing objects  100   147 147   done  remote  Total 215  delta 82   reused 132  delta 62 Receiving objects   79   170   Receiving objects  100   215 215   1 49 MiB   107 KiB s  done  Resolving deltas  100   82 82   done  From heroku com myapp    branch            master     - gt  FETCH HEAD Auto-merging start php CONFLICT  add add   Merge conflict in start php Auto-merging src appinfo txt CONFLICT  add add   Merge conflict in src appinfo txt Auto-merging result php CONFLICT  add add   Merge conflict in result php Auto-merging landhere php CONFLICT  add add   Merge conflict in landhere php Automatic merge failed  fix conflicts and then commit the result      while trying git push heroku -f  F  myapp gt git remote add heroku git heroku com myapp git F  myapp gt git push heroku  Counting objects  41  done  Delta compression using up to 4 threads  Compressing objects  100   40 40   done  Writing objects  100   41 41   1 36 MiB   12 KiB s  done  Total 41  delta 0   reused 0  delta 0   ----- gt  Heroku receiving push        Heroku push rejected  no Cedar-supported app detected  To git heroku com myapp git     remote rejected  master - gt  master  pre-receive hook declined  error  failed to push some refs to  git heroku com myapp git

User · Answer

this problem arises when you have some file that is not yet added and committed to git   git add   git commit -m  commit done  git push heroku master

User · Answer

In my case  I had an invalid package name  I wasn t able to pick up on the error code right away  because I didn t scroll up far enough  but the error was   remote           NPM CONFIG PRODUCTION false npm install --prefix client  amp  amp  npm run build --prefix client remote  npm ERR  code EINVALIDPACKAGENAME     lt -- this was hard to find remote  npm ERR  Invalid package name  react-loader-spinne  r   name can only contain URL-friendly characters

User · Answer

In Heroku you may have problems with pushing to master branch  I just had to start a new branch using  git checkout -b masterbranch   and then push using   git push heroku masterbranch   please try as above

User · Answer

It would appear that you are not fully up-to-date  You would need to do a git pull and either  --rebase  or let it merge into your set   After this  you should then be able to push  since it would be a  fast-forward  change that wouldn t remove history   Edit  example command list  git pull git push

User · Answer

for me deleting package-lock json fixed my problem    delete commit changes push again   turns out Heroku accepts only one package json file  p

User · Answer

I had same problem  and I resolved it by doing this  heroku config set DISABLE COLLECTSTATIC 1 It was a django project on python 3 7

User · Answer

For me it started working after setting global username email   To set your global username email configuration  1  Open the command line  2  Set your username   git config --global user name  FIRST NAME LAST NAME    Set your email address    git config --global user email  MY NAME example com    Commit   git commit -m  comment    Push to heroku   git push heroku master  BOOM  It worked  atleast for me

User · Answer

I was getting this error because I added a line to my requirements txt file that had an error   simplejson 2 6 2   There was only one   and there should be two   simplejson  2 6 2   Correcting this fixed the error

User · Answer

Make sure you   re pushing the right branch  I wasn   t on master and kept wondering why it was complaining  P

User · Answer

For me force with push operation worked  git push heroku master --force  Case - when pushed commit from current branch was removed commit was pushed to remote repository

User · Answer

I followed the following steps and it worked for me    Please take a copy of your  local  changes   fetch heroku reset --hard heroku master  Then try to  git push heroku

User · Answer

This error means that the upstream repository has made commits that would be lost if you were to push  First do a  git pull  to merge  and then push again

User · Answer

If you want to push commit on git repository  plz make sure you have merged all commit from other branches   After merging if you are unable to push commit  Use the push command with -f  git push -f origin branch-name  Where origin is the name of your remote repo

User · Answer

When I tried git pull heroku master  I got an error fatal  refusing to merge unrelated histories  So I tried git pull heroku master --allow-unrelated-histories and it worked for me

User · Answer

Also  make sure your branch is clean and there is nothing unstaged you can check with git status stash or commit the changes then run the comand

User · Answer

If your heroku project root is in a different directory than your git branch root  use this  git subtree push --prefix path to root heroku master

User · Answer

You should check something   Branch master was created in you git repository  Config user name and user email  Pull before push   I hope it will work with you

User · Answer

There is one more subtle reason why this might happen  If you added some new packages to your app or updated existing packages  remember to update your requirements txt file as well   pip freeze  gt  requirements txt   Then you can continue with the usual process for pushing your repository  git add   git commit -m  Some changes  git push heroku master

User · Answer

I was facing this issue while deploying a django app on heroku   In my case the requirements txt  Procfile and runtime txt files were present in a subdirectory  Moving them to the root directory of the repository solved the problem   Heroku is specifically looking for requirements txt in the root directory to setup the python environment      P S    If heroku is unable to reach till the wsgi file residing in the subdirectory  solve it by referring below thread -  How can I modify Procfile to run Gunicorn process in a non-standard folder on Heroku

User · Answer

For anyone arriving here from a Google search with the same error message  Also be aware that you can have a problem if you are using sqlite3  https   devcenter heroku com articles sqlite3

User · Answer

I had the same problem  the solution was in my branch  called  quot testBranchSuper quot  i use git checkout -b main and then i use git push heroku main

User · Answer

Just switch the branch to main  It will surely work  and delete the project from Heroku remote  Delete all branches from local and use only one  quot main quot   For reference  https   help heroku com O0EXQZTA how-do-i-switch-branches-from-master-to-main

User · Answer

Execute this     rake assets precompile   git add     git commit -m  Add precompiled assets for Heroku    git push heroku master   Source  http   ruby railstutorial org ruby-on-rails-tutorial-book

User · Answer

Another issue could come from the use of backticks  those are not supported by the compiler  uglifier    To fix it  replace config assets js compressor    uglifier with config assets js compressor   Uglifier new harmony  true    credits  https   medium com  leog7one how-to-fix-execjs-runtimeerror-syntaxerror-unexpected-character-on-heroku-push-deployment-c0b105a64655

User · Answer

please check if you have 2 lock files if yes then leave the package-lock json and delete the other one like yarn lock  Then execute these commands      git add      git commit -m  yarn lock file removed     git push heroku master

User · Answer

I had similar issue where local build was working fine however when I push my branch onto heroku it would fail to build  Issue was that I had some devDependencies in my package json which were not installed during npm install which was causing my build to fail  If you need access to packages declared under devDependencies in a different buildpack or at runtime  then you can set NPM CONFIG PRODUCTION false or YARN PRODUCTION false to skip the pruning step  Also you can move you devDependencies into dependencies

User · Answer

It is probably due to an Outdated yarn lock file  Just run the following commands  yarn install git add yarn lock git commit -m  Updated Yarn lockfile  git push heroku master

User · Answer

On my case clearing buildpacks worked heroku buildpacks clear

User · Answer

I m the only person working on my app and only work on it from my desktop  so the possibility that I managed to get the heroku repository above dev didn t make sense  BUT  I recently had a Heroku support rep look into my heroku account for a cache issue involving gem installs and he had changed something that caused heroku to return the same error as the one listed above  A git pull heroku master was all it took  Then I found the reps minor change and reverted it myself

[git] failed to push some refs to [email protected]

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