Error when importing project from Redmine 2.5.2 to JIRA 6.3.x
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Symptoms
The following appears in the import log.txt:
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xxxx-xx-xx xx:xx:xx, xxx ERROR - Unexpected failure occurred. Importer will stop immediately. Data may be in an unstable state
com.atlassian.jira.plugins.importer.redmine.RedmineRemoteException: Unexpected exception while importing from redmine
at com.atlassian.jira.plugins.importer.redmine.RedmineClient.translateException(RedmineClient.java:430)
at com.atlassian.jira.plugins.importer.redmine.RedmineClient.getUserName(RedmineClient.java:373)
at com.atlassian.jira.plugins.importer.redmine.transformer.ComponentTransformer.apply(ComponentTransformer.java:24)
at com.atlassian.jira.plugins.importer.redmine.transformer.ComponentTransformer.apply(ComponentTransformer.java:15)
at com.google.common.collect.Iterators$8.next(Iterators.java:812)
at java.util.AbstractCollection.toArray(Unknown Source)
..
Caused by: com.taskadapter.redmineapi.NotFoundException: Server returned '404 not found'. response body:
at com.taskadapter.redmineapi.internal.comm.redmine.RedmineErrorHandler.processContent(RedmineErrorHandler.java:45)
at com.taskadapter.redmineapi.internal.comm.redmine.RedmineErrorHandler.processContent(RedmineErrorHandler.java:21)
at com.taskadapter.redmineapi.internal.comm.ComposingHandler.processContent(ComposingHandler.java:25)
at com.taskadapter.redmineapi.internal.comm.ComposingHandler.processContent(ComposingHandler.java:25)
at com.taskadapter.redmineapi.internal.comm.BaseCommunicator.sendRequest(BaseCommunicator.java:83)
at com.taskadapter.redmineapi.internal.comm.redmine.RedmineAuthenticator.sendRequest(RedmineAuthenticator.java:52)
at com.taskadapter.redmineapi.internal.comm.FmapCommunicator.sendRequest(FmapCommunicator.java:26)Cause
The problem caused by the "Issue category" at Redmine.
Resolution
Remove the default "Assigned To" configuration for each "Issue Category" in the project.
Updated on April 8, 2025
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