Gerrit Upgrade from 2.14 to 3.X (Need Support)

Raghu Hegde

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Apr 8, 2025, 2:48:51 AMApr 8

to Repo and Gerrit Discussion

We have Gerrit version 2.14.19 and are planning to upgrade to version 3.x. The initial plan is to upgrade to 2.15, then to 2.16, followed by 3.x, and finally to the latest version.

We plan to follow the steps below—please let me know if anything is missing:

Stop Gerrit.
Download the gerrit-2.15.war file.
Run java -jar gerrit-2.15.war init -d <site_path>.
Re-index the data.

Thanks.

Michael Nazzareno Trimarchi

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Apr 8, 2025, 2:57:49 AMApr 8

to Raghu Hegde, Repo and Gerrit Discussion

Hi Raghu

0. Backup your data

Anyway I think that you should take a look at the documentation and follow it as it is. I did not found in the past problems but

my use case is only 1200 repos

Michael

Thanks.
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Ewout Maertens

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Apr 8, 2025, 3:00:16 AMApr 8

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Hi Raghu,

Have a look at the question at https://groups.google.com/g/repo-discuss/c/Ntm93BsO_4c/m/etSvIt0ZAwAJ. This is pretty much the exact situation.

Good luck!

Kind regards,

Ewout

Luca Milanesio

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Apr 8, 2025, 3:24:37 AMApr 8

to Repo and Gerrit Discussion, Luca Milanesio

Hi Raghu,

I believe your upgrade path is *very significant* and there are *a lot of steps* missing.

I would recommend to go through the presentations we’ve made over the past years and captured in the GerritForge’s YouTube playlist about migrations [1].

The Gerrit community is happy to support the non-EOL versions (see the General Support policy at [2]) and for EOL versions, you can either rely on a best-effort answers on the mailing list, or refer to the Enterprise Support policy at [3].

Lastly, migrations require carefully planning and testing, as also witnessed in the recent talk by Qualcomm at [4] in their multi-year migration effort.

HTH

Luca.

[1] https://www.youtube.com/playlist?list=PLySCWiWz9cNum6wmySRlIRLkmXdh_jBoT

[2] https://www.gerritcodereview.com/support.html#general-support

[3] https://www.gerritcodereview.com/support.html#enterprise-support

[4] https://youtu.be/SV5p1awi95c

Raghu Hegde

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Apr 10, 2025, 5:31:07 AMApr 10

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While upgrading Gerrit 2.16.28 (java -jar gerrit-2.16.28.war init -d /gerrit_site_path), we encountered the following error when trying to connect using the URL: (We are using MySQL 5.7) and Ubuntu 22.04

fatal: DbInjector failed
fatal: Unable to determine SqlDialect
fatal: caused by java.sql.SQLException: The connection property 'nullNamePatternMatchesAll' only accepts values of the form: 'true', 'false', 'yes' or 'no'. The value 'true?nullNamePatternMatchesAll=true' is not in this set.

added the below line while adding DB name

reviewdb_test?useSSL=false&allowPublicKeyRetrieval=true&nullNamePatternMatchesAll=true

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