Unable to Import CSV File due to Malformed CSV Stream

Platform Notice: Cloud and Data Center - This article applies equally to both cloud and data center platforms.

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

When importing a file via CSV, the following error occurs:

1 java.io.IOException: Malformed CSV stream. Missing quote at start of field on line 1

Cause

Importing a malformed CSV file will cause an error in JIRA CSV import process.

Resolution

The file imported needs to have a valid CSV file format. Refer to Importing Data from CSV.

Updated on April 8, 2025

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