Hi,
I am trying to import issues from Jira server to the Jira Cloud and the import is failing with very little detail on what could be the issue. This is what I see in the detailed log.
2018-12-05 19:21:05,057 INFO - Import started by admin using com.atlassian.jira.plugins.importer.imports.csv.CsvDataBean 2018-12-05 19:21:05,291 INFO - ------------------------------ 2018-12-05 19:21:05,291 INFO - Importing: Users 2018-12-05 19:21:05,291 INFO - ------------------------------ 2018-12-05 19:21:05,291 INFO - Only new items will be imported 2018-12-05 19:21:05,529 INFO - 14 users associated with import. All of them imported as inactive, this can be changed after import in User Access step. 2018-12-05 19:21:05,529 INFO - ------------------------------ 2018-12-05 19:21:05,529 INFO - Finished Importing : Users 2018-12-05 19:21:05,529 INFO - ------------------------------ 2018-12-05 19:21:05,529 INFO - 0 users successfully created. 2018-12-05 19:21:05,533 INFO - Retrieving projects... 2018-12-05 19:21:05,551 INFO - Project ExternalProject{id='null', key='CP', externalName='null', name='Crewmachine Product', type='null', template='null'} exists and found correctly. 2018-12-05 19:21:05,555 INFO - ------------------------------ 2018-12-05 19:21:05,555 INFO - Importing: Versions 2018-12-05 19:21:05,555 INFO - ------------------------------ 2018-12-05 19:21:05,555 INFO - Only new items will be imported 2018-12-05 19:21:05,555 INFO - ------------------------------ 2018-12-05 19:21:05,555 INFO - Finished Importing : Versions 2018-12-05 19:21:05,555 INFO - ------------------------------ 2018-12-05 19:21:05,555 INFO - ------------------------------ 2018-12-05 19:21:05,555 INFO - Importing: Components 2018-12-05 19:21:05,555 INFO - ------------------------------ 2018-12-05 19:21:05,555 INFO - Only new items will be imported 2018-12-05 19:21:05,557 INFO - Importing component Dashboard 2018-12-05 19:21:05,615 INFO - Importing component eZdia Projects 2018-12-05 19:21:05,653 INFO - Importing component Project Management 2018-12-05 19:21:05,690 INFO - Importing component Import 2018-12-05 19:21:05,726 INFO - Importing component Platform 2018-12-05 19:21:05,762 INFO - Importing component Configuration 2018-12-05 19:21:05,803 INFO - Importing component Desk 2018-12-05 19:21:05,837 INFO - Importing component Open Projects 2018-12-05 19:21:05,879 INFO - Importing component General 2018-12-05 19:21:05,915 INFO - Importing component Other 2018-12-05 19:21:05,950 INFO - Importing component CCP API 2018-12-05 19:21:05,987 INFO - Importing component Reports 2018-12-05 19:21:06,021 INFO - Importing component Website Content 2018-12-05 19:21:06,056 INFO - Importing component Bulk Upload 2018-12-05 19:21:06,091 INFO - Importing component Marketplace 2018-12-05 19:21:06,132 INFO - Importing component Profile 2018-12-05 19:21:06,168 INFO - Importing component Idea creation 2018-12-05 19:21:06,232 INFO - Importing component Integration 2018-12-05 19:21:06,298 INFO - ------------------------------ 2018-12-05 19:21:06,298 INFO - Finished Importing : Components 2018-12-05 19:21:06,298 INFO - ------------------------------ 2018-12-05 19:21:06,308 INFO - Retrieving custom fields... 2018-12-05 19:21:06,321 INFO - ------------------------------ 2018-12-05 19:21:06,321 INFO - Importing: Issues 2018-12-05 19:21:06,321 INFO - ------------------------------ 2018-12-05 19:21:06,321 INFO - Only new items will be imported 2018-12-05 19:21:06,425 INFO - Importing issue: [externalId='11528', summary='Editorial calendar version 1.0'] 2018-12-05 19:21:06,449 INFO - ------------------------------ 2018-12-05 19:21:06,449 INFO - Finished Importing : Issues 2018-12-05 19:21:06,449 INFO - ------------------------------ 2018-12-05 19:21:06,449 ERROR - Unexpected failure occurred. Importer will stop immediately. Data may be in an unstable state: