ERROR com.google.gerrit.server.events.StreamEventsApiListener : Failed to dispatch event

[Opportunity alie]

Hi,all：

gerrit 3.12.3 active/active setup，ZooKeeper is built using a cluster.I configured it like this.

[ref-database "zookeeper"]
  connectString = 192.168.2.101:2181；192.168.2.102:2181；192.168.2.103:2181；

Local Git Bash push，git push origin HEAD:refs/for/master, the error log:

[ReceiveCommits-1[receive-commits]-for-SSH git-receive-pack /code/test (admin)] ERROR com.google.gerrit.server.events.StreamEventsApiListener : Failed to dispatch event [CONTEXT PLUGIN="gerrit" RECEIVE_ID="code/test-1766133196669-07d664bf" TRACE_ID="1766133196668-07d664bf" project="code/test" request="GIT_RECEIVE" ]
com.google.gerrit.exceptions.StorageException: com.google.gerrit.server.project.NoSuchChangeException: 21

......

Caused by: com.google.gerrit.server.project.NoSuchChangeException: 21

.....

the backup http_log:

"POST /gerrit/plugins/high-availability/index/change/code%2Ftest~21 HTTP/1.1" 204
"POST /gerrit/plugins/high-availability/event/ref-updated HTTP/1.1" 204 - 2
"POST /gerrit/plugins/high-availability/event/ref-updated HTTP/1.1" 204 - 2

missing "POST /gerrit/plugins/high-availability/event/patchset-created HTTP/1.1" 204

All newly built，

[ref-database "zookeeper"]

    connectString = 192.168.2.101:2181 

Everything is working normally, and the online environment is currently running according to the previous configuration. How can we revert to the previous setup?

I tried the following solutions：

   stop gerrit，ref-database Configured as a single

   Clear cache，clear zookeeper version-2 ，Reinit 

   reindex projects changes 

None of them can solve it.

[Luca Milanesio]

On 19 Dec 2025, at 09:02, Opportunity alie <houji...@gmail.com> wrote:

Hi,all：

gerrit 3.12.3 active/active setup，ZooKeeper is built using a cluster.I configured it like this.

[ref-database "zookeeper"]
  connectString = 192.168.2.101:2181；192.168.2.102:2181；192.168.2.103:2181；

Local Git Bash push，git push origin HEAD:refs/for/master, the error log:

[ReceiveCommits-1[receive-commits]-for-SSH git-receive-pack /code/test (admin)] ERROR com.google.gerrit.server.events.StreamEventsApiListener : Failed to dispatch event [CONTEXT PLUGIN="gerrit" RECEIVE_ID="code/test-1766133196669-07d664bf" TRACE_ID="1766133196668-07d664bf" project="code/test" request="GIT_RECEIVE" ]
com.google.gerrit.exceptions.StorageException: com.google.gerrit.server.project.NoSuchChangeException: 21

......

Caused by: com.google.gerrit.server.project.NoSuchChangeException: 21

.....

There could have been some errors preventing the change from being stored on the repo.

Can you share the error_log?

Luca.

the backup http_log:

"POST /gerrit/plugins/high-availability/index/change/code%2Ftest~21 HTTP/1.1" 204
"POST /gerrit/plugins/high-availability/event/ref-updated HTTP/1.1" 204 - 2
"POST /gerrit/plugins/high-availability/event/ref-updated HTTP/1.1" 204 - 2

missing "POST /gerrit/plugins/high-availability/event/patchset-created HTTP/1.1" 204

All newly built，

[ref-database "zookeeper"]

    connectString = 192.168.2.101:2181 

Everything is working normally, and the online environment is currently running according to the previous configuration. How can we revert to the previous setup?

I tried the following solutions：

   stop gerrit，ref-database Configured as a single

   Clear cache，clear zookeeper version-2 ，Reinit 

   reindex projects changes 

None of them can solve it.

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