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Project Import fails due to too many errors

We are migrating from cloud to on-prem Jira. We are doing a full restore into a new environment and then importing projects onto our on-prem test system. Some of our projects import without issue but a few are missing the full issues' history, activity and some custom field values (where a custom field is a drop down). 


"The import was aborted because there were too many errors. Some errors are listed below. For full details about the errors please see your logs. Please note that some elements have been created. You may want to consult your logs to see what caused the errors, delete the project, and perform the import again." 


2019-03-12 11:39:27,091 JiraTaskExectionThread-7 ERROR yatamk 697x30013x1 1bbzkhb /secure/admin/ProjectImportSummary.jspa [c.a.jira.task.TaskManagerImpl] Task 'Importing project 'Web Experience'.' failed. java.lang.NumberFormatException: For input string: "[20625]" at sun.misc.FloatingDecimal.readJavaFormatString( at sun.misc.FloatingDecimal.parseDouble( at java.lang.Double.parseDouble( at java.lang.Double.<init>( at com.atlassian.jira.imports.project.customfield.VersionCustomFieldImporter.getNonDecimalValue( at com.atlassian.jira.imports.project.customfield.VersionCustomFieldImporter.getMappedImportValue( at com.atlassian.jira.imports.project.transformer.ChangeItemTransformerImpl.mapCustomFieldIdList( at com.atlassian.jira.imports.project.transformer.ChangeItemTransformerImpl.transform( at com.atlassian.jira.imports.project.handler.ChangeItemPersisterHandler.handleEntity( at com.atlassian.jira.imports.project.handler.ChainedOfBizSaxHandler.endTopLevelElement( at com.atlassian.jira.imports.project.handler.ChainedOfBizSaxHandler.endElement( at com.atlassian.jira.imports.project.handler.ChainedOfBizSaxHandler.endElement( at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source) at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XMLParser.parse(Unknown Source) at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source) at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source) at at com.atlassian.jira.imports.xml.DefaultBackupXmlParser$XmlParser.parseXml( at com.atlassian.jira.imports.xml.DefaultBackupXmlParser.parse( at com.atlassian.jira.imports.xml.DefaultBackupXmlParser.parseXml( at com.atlassian.jira.imports.xml.DefaultBackupXmlParser.parseOfBizBackupXml(


How do we figure out what the exact issue is with the project from the above error?

1 answer

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Why would you do first the full restore and then imported projects? The projects are already there.

Those are the steps that are required to migrate from Jira Cloud to on-Prem. 

Oh and let me add. We have both Cloud and on-prem in production so we are migrating our existing Cloud Jira projects to our existing on-prem Jira.

@Belinda Tinsley Any luck on this? We are running into a similar issue with a similar scenario.

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