I just realized that the cruise.trace.db 
<https://cloud.bandelier.eu/index.php/s/367FBbn8e48zDGn>  file was actually 
a human-readable log; you might find also useful info in there.

On Wednesday, January 19, 2022 at 10:54:36 AM UTC+1 Jonathan Bandelier 
wrote:

> Hello,
>
> I really appreciate you looking at this issue. It is pretty clear to me 
> that you pinpointed the correct code extract around here 
> <https://github.com/gocd/gocd/blob/1278474dcd8b2e90c0f19fc15098c279274141cb/db-support/db-migration/src/main/java/com/thoughtworks/go/server/database/migration/DatabaseMigrator.java#L61>,
>  
> but with my limited knowledge of Java, I don't know what to make of it. 
>
> I posted 210 lines of go-server-wrapper.log on PasteBin 
> <https://pastebin.com/U8Tfx5BF>; I hope this can help.
>
> Please let me know if you need other details
>
>
> On Tuesday, January 18, 2022 at 3:45:39 PM UTC+1 Aravind SV wrote:
>
>> Hello Jonathan,
>>
>> Given that the message seems to be coming from around here 
>> <https://github.com/gocd/gocd/blob/1278474dcd8b2e90c0f19fc15098c279274141cb/db-support/db-migration/src/main/java/com/thoughtworks/go/server/database/migration/DatabaseMigrator.java#L61>,
>>  
>> there could be more information in the logs. It’s hard to say what the 
>> problem is without more information.
>>
>> My understanding was that running this tool would only write to the 
>> target database with no impact on the source.
>>
>> That is a reasonable expectation, I feel. However, one of the reasons the 
>> first steps in the documentation 
>> <https://docs.gocd.org/current/installation/upgrade_to_gocd_20.5.0.html> 
>> mentions backing up and stopping the server is to make recovery easier. I 
>> don’t know what happens if you run this against a *running* GoCD server.
>>
>> I wonder if permissions got changed, or something like that. Won’t know 
>> without more information from the logs.
>>
>> Cheers,
>> Aravind
>>
>> * From*: Jonathan Bandelier
>> * Subject*: [go-cd] Database migration dry run gone wrong
>> * To*: go-cd
>> * Date*: Mon, 17 Jan 2022 14:59:52 -0800 (PST)
>> I recently ran gocd-database-migrator (flags -insert and --progress) on 
>> my. 20.4.0 GoCD server with its current H2 database as source and a blank 
>> PostgreSQL instance as target.
>>
>> My understanding was that running this tool would only write to the 
>> target database with no impact on the source. As this was meant to be a dry 
>> run just to make sure the user on target  PostgreSQL instance had the 
>> proper privileges, I did not stop or back up GoCD before running the tool. 
>> The tool ran without  error, so I instructed the DBA to delete the target 
>> database, planning to to the real migration later, when all is ready to 
>> actually upgrade to 20.5.0.
>>
>> I then found plenty database-related errors showing up in the GoCD 
>> console; I restarted the go-server service and it got worse: GoCD is no 
>> longer able to start
>>
>> go-server-wrapper.log appears to indicate that the update is in progress:
>>  
>> INFO   | jvm 1    | 2022/01/17 22:18:33 | 
>> ************************************************************************
>> INFO   | jvm 1    | 2022/01/17 22:18:33 | WARNING: Shutting down your 
>> server at this point will lead to a database corruption. Please wait until 
>> the database upgrade completes.
>> INFO   | jvm 1    | 2022/01/17 22:18:33 | 
>> ************************************************************************
>> INFO   | jvm 1    | 2022/01/17 22:18:33 | Reading change scripts from 
>> directory /var/lib/go-server/db/h2deltas...
>> INFO   | jvm 1    | 2022/01/17 22:18:33 | dbdeploy v2.11
>> DEBUG  | wrapperp | 2022/01/17 22:18:34 | Send a packet PING : ping 
>> 00000152
>> INFO   | jvm 1    | 2022/01/17 22:18:34 | WrapperManager Debug: Received 
>> a packet PING : ping 00000152
>> INFO   | jvm 1    | 2022/01/17 22:18:34 | WrapperManager Debug: Send a 
>> packet PING : ping 00000152
>> DEBUG  | wrapperp | 2022/01/17 22:18:34 | read a packet PING : ping 
>> 00000152
>> INFO   | jvm 1    | 2022/01/17 22:18:35 | Unable to create database 
>> upgrade script for database 
>>
>> Is there any way for me to get out of this mess, and bring back my H2 
>> database to the state it was before running the tool? Would emptying the 
>> h2deltas folder do the trick?
>>
>> Thanks in advance for your help
>>
>>
>>      
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>>
>

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