We were importing from TFS using a CSV file. We kept getting the same error at the same line. The last subject seemed to import file but did NOT properly insert the comments. The comments seem to be the last portion of an issue creation?
Here is the end of the log file:
2012-12-10 17:34:05,094 INFO - Importing issue: ExternalIssue{externalId=autoid-7044231899018060438, summary=A subject line, issueType=Sub-Task}
2012-12-10 17:34:05,147 WARN - Commenter named null not found. Creating issue with currently logged in user instead
2012-12-10 17:34:05,159 WARN - Commenter named null not found. Creating issue with currently logged in user instead
2012-12-10 17:34:05,160 WARN - Commenter named null not found. Creating issue with currently logged in user instead
2012-12-10 17:34:05,162 INFO - Importing issue: ExternalIssue{externalId=autoid-5281257600525159135, summary=A different subject line, issueType=Sub-Task}
2012-12-10 17:34:05,229 WARN - Commenter named null not found. Creating issue with currently logged in user instead
2012-12-10 17:34:05,229 WARN - Commenter named null not found. Creating issue with currently logged in user instead
2012-12-10 17:34:05,230 WARN - Commenter named null not found. Creating issue with currently logged in user instead
2012-12-10 17:34:05,232 INFO - Importing issue: ExternalIssue{externalId=autoid-1367656030117402415, summary=The last imported subject line, issueType=Sub-Task}
2012-12-10 17:34:05,284 INFO - ------------------------------
2012-12-10 17:34:05,284 INFO - Finished Importing : Issues
2012-12-10 17:34:05,284 INFO - ------------------------------
2012-12-10 17:34:05,284 ERROR - Unexpected failure occurred. Importer will stop immediately. Data maybe in an unstable state
java.lang.NullPointerException
2012-12-10 17:34:05,311 INFO - Reindexing last 46 issues imported ...
2012-12-10 17:34:06,331 INFO - Reindexing took 1020 ms.