I have an very old Confluence - 3.1.2 which I want to upgrade to the latest (5.9 at the moment).
My data is in MS SQL Server DB with Cyrillic_General_CI_AS collation.
I tried to make export/import steps through 3.1.2 -> 3.5 -> 5.0.3 -> 5.9. But it doesn't work. I successfully imported my data into 5.0.3 instance but importing into 5.9 fails. Then I find some into that export/import are supposed to work only inside one major version. So it's an option.
Then I started to make series of upgrades:
Now I need to make the last step - upgrade to 5.9.
First of all I tried the similar method - setup blank 5.9 and point it to the previous home. But it fails on start with the error: "checkConfigurationOnStartup Database collation is incorrect, it must be set to 'SQL_Latin1_General_CP1_CS_AS'"
5.9 requires "SQL_Latin1_General_CP1_CS_AS" collation. This KB https://confluence.atlassian.com/confkb/can-t-start-or-upgrade-confluence-due-to-an-error-with-ms-sql-server-database-collation-600114597.html says that I need to just chang collation. I changed:
ALTER DATABASE wiki COLLATE SQL_Latin1_General_CP1_CS_AS
I started 5.9 again.
Upgrading failed with the errors:
So it's kind of a deadlock. I can't leave the collation as it require a new one, and if I changed to that new one it fails anyway .
But it's not the only error there're other ones:
2016-03-04 21:06:13,693 WARN [localhost-startStop-1] [atlassian.plugin.impl.AbstractPlugin] enable Because of this exception
com.atlassian.plugin.osgi.container.OsgiContainerException: Cannot start plugin: remotable.plugins.i18n
2016-03-04 21:06:36,564 ERROR [StorageToAoMigrationUpgradeTask-PageFinder] [sf.hibernate.util.JDBCExceptionReporter] logExceptions Invalid column name 'HIBERNATEVERSION'.
2016-03-04 21:06:36,566 ERROR [StorageToAoMigrationUpgradeTask-PageFinder] [sf.hibernate.util.JDBCExceptionReporter] logExceptions Invalid column name 'HIBERNATEVERSION'.
2016-03-04 21:06:36,568 ERROR [StorageToAoMigrationUpgradeTask-PageFinder] [plugins.tasklist.upgradetask.InterruptingUncaughtExceptionHandler] uncaughtException Uncaught exception in thread StorageToAoMigrationUpgradeTask-PageFinder. Interrupting all threads.
org.springframework.jdbc.BadSqlGrammarException: Hibernate operation: Could not execute query; bad SQL grammar ; nested exception is java.sql.SQLException: Invalid column name 'HIBERNATEVERSION'.
Upgrade process never finishes, it hangs:
2016-03-04 21:06:53,418 INFO [localhost-startStop-1] [confluence.upgrade.impl.DefaultUpgradeGate] waitForBooleanValue Waiting to find if plugin dependent upgrades are complete. Maximum wait time will be 1800 seconds.
Confluence isn't responding.
How upgrading to 5.9 is suppose to work?
I did that the KB describes. But the import in described conditions fails with errors:
"The column XX cannot be processed because more than one code page (1251 and 1252) are specified for it".
This error happens for every varchar column in every table.
I googled this error and found out that everybody recommend specifying setting "AlwaysUseDefaultCodePage=true" for "data flow component".
It takes some time to understand what "data flow component" is and where the setting can be specified as in Export/Import wizard they are absent. It turned out that there's SQL Server BI Studio which now distributed separately from SQL Server 2014. I installed it and opened SSIS package create the Export/Import wizard. In BI Studio it's possible to see what a SSIS packages consist of. I found that setting - AlwaysUseDefaultCodePage and specified it for every "data flow" tasks. Run. Success. Wow.
All after migration non English text look like:
DB collation is SQL_Latin1_General_CP1_CS_AS so do for all columns. All my text was in 1251 now in 1252. And it's broken.
I just can't understand how can it work.
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