title: " missing Change-Id in commit message footer" sidebar: gerritdoc_sidebar permalink: error-missing-changeid.html

With this error message Gerrit rejects to push a commit to a project which is configured to always require a Change-Id in the commit message if the commit message of the pushed commit does not contain a Change-Id in the footer (the last paragraph).

This error may happen for different reasons:

  1. missing Change-Id in the commit message

  2. Change-Id is contained in the commit message but not in the last paragraph

You can see the commit messages for existing commits in the history by doing a git log.

To avoid this error you should use the commit hook or EGit to automatically create and insert a unique Change-Id into the commit message on every commit.

Missing Change-Id in the commit message

If the commit message of a commit that you want to push does not contain a Change-Id you have to update its commit message and insert a Change-Id.

If you want to upload a new change to Gerrit make sure that you have configured your environment so that a unique Change-Id is automatically created and inserted on every commit as explained above. Now you can rewrite the commits for which the Change-Ids are missing and the Change-Ids will be automatically created and inserted into the commit messages. This is explained here.

If you want to update an existing change in Gerrit by uploading a new patch set you should copy its Change-Id from the Gerrit Web UI and insert it into the commit message. How to update the commit message is explained here.

Change-Id is contained in the commit message but not in the last paragraph

To be picked up by Gerrit, a Change-Id must be in the last paragraph of a commit message, for details, see Change-Id Lines.

If the Change-Id is contained in the commit message but not in its last paragraph you have to update the commit message and move the Change-Id into the last paragraph. How to update the commit message is explained here.

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