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Type:
Bug
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Resolution: Fixed
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Priority:
Low
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Affects Version/s: 9.12.11, 9.17.0
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Component/s: Jira Importers Plugin
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9.12
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1
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Severity 3 - Minor
Issue Summary
This is reproducible on Data Center: yes
Steps to Reproduce
- Create a "user picker (multiple user)" custom field and map it to the respective project screens.
Example- In the below issue- "NSD-8", "user picker (multiple user)" custom field with custom field name- "multi-user picker" has multiple users.

- Created a csv file as below to clear "multi-user picker" custom field values

- Once this csv file is imported, we get below Error.

Expected Results
Import should clear the user picker (multiple user) custom field value.
Actual Results
We see below Error in the import logs:
2024-08-14T18:50:48,032 ERROR - Cannot perform import due to 1 invalid usernames com.atlassian.jira.plugins.importer.external.InvalidUsernamesException: Cannot perform import due to 1 invalid usernames at com.atlassian.jira.plugins.importer.external.ExternalUserUtils.checkInvalidUsernames(ExternalUserUtils.java:134) ~[jira-importers-plugin-13.0.4-mnstr-7001-2.jar:?] at com.atlassian.jira.plugins.importer.external.ExternalUserUtils.prepareUsers(ExternalUserUtils.java:107) ~[jira-importers-plugin-13.0.4-mnstr-7001-2.jar:?] at com.atlassian.jira.plugins.importer.imports.importer.impl.DefaultJiraDataImporter.importUsers(DefaultJiraDataImporter.java:570) ~[jira-importers-plugin-13.0.4-mnstr-7001-2.jar:?] at com.atlassian.jira.plugins.importer.imports.importer.impl.DefaultJiraDataImporter.doImport(DefaultJiraDataImporter.java:350) [jira-importers-plugin-13.0.4-mnstr-7001-2.jar:?] at com.atlassian.jira.plugins.importer.imports.importer.impl.ImporterCallable.call(ImporterCallable.java:26) [jira-importers-plugin-13.0.4-mnstr-7001-2.jar:?] at com.atlassian.jira.plugins.importer.imports.importer.impl.ImporterCallable.call(ImporterCallable.java:15) [jira-importers-plugin-13.0.4-mnstr-7001-2.jar:?] at com.atlassian.jira.task.TaskManagerImpl$TaskCallableDecorator.call(TaskManagerImpl.java:528) [classes/:?] at com.atlassian.jira.task.TaskManagerImpl$TaskCallableDecorator.call(TaskManagerImpl.java:486) [classes/:?] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_341] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_341] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_341] at com.atlassian.jira.task.ForkedThreadExecutor$ForkedRunnableDecorator.run(ForkedThreadExecutor.java:216) [classes/:?] at java.lang.Thread.run(Thread.java:750) [?:1.8.0_341] 2024-08-14T18:50:48,035 INFO - No issues need to be reindexed.
Workaround
Use Bulk Change instead of CSV import