object directory does not exist - Git operations fail after upgrade or STASH_HOME update

Troubleshooting Installation

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After upgrading Stash to version 3.2+ (from a version prior to 3.2) or having moved STASH_HOME to a different location, git operations (e.g. git push) fail:

git -c diff.mnemonicprefix=false -c core.quotepath=false push -v --tags origin branchname:branchname
POST git-receive-pack (700 bytes)
remote: error: object directory C:/StashData/data/repositories/26/objects does not exist; check .git/objects/info/alternates. [K
remote: fatal: unresolved deltas left after unpacking [K
error: unpack failed: unpack-objects abnormal exit

Pushing to https://username@stash.server/scm/projectkey/reponame.git
To https://username@stash.server/scm/projectkey/reponame.git
! [remote rejected] branchname -> branchname (unpacker error)
error: failed to push some refs to 'https://username@stash.server/scm/projectkey/reponame.git'

Completed with errors, see above."

You could could also be getting the following screen upon browsing forks:

'/usr/bin/git cat-file -t refs/heads/master:' exited with code 128 saying: error: object directory /abdera/user0/atlass/application-data/stash/data/repositories/292/objects does not exist; check .git/objects/info/alternates.


For an unknown reason the forked repository (e.g. ID 26) of the upstream repository (e.g. ID 45) still refers to the old path in the alternates file which Stash uses to implement the fork functionality. Either the Stash 3.2 upgrade (which included a data directory migration) partially failed or the script that runs on application start up that detects changes to the location of STASH_HOME (and updates all alternates files accordingly) has failed.


  1. Stop Stash.
  2. Correct the path in the alternates file leaving the repoID unchanged:
    1. STASH_HOME/shared/data/repositories/<repoID>/objects/info/alternates (versions 3.2+)
    2. STASH_HOME/data/repositories/<repoID>/objects/info/alternates (versions prior to 3.2)
  3. Start Stash.
Last modified on Mar 30, 2016

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