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  1. Confluence Cloud
  2. CONFCLOUD-6673

Use different ZIP API to allow restoring backups larger than 2 GB

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    Description

      NOTE: This suggestion is for Confluence Cloud. Using Confluence Server? See the corresponding suggestion.

      The Sun JDK zip API fails when trying to open zip files larger than 2 GB. It has been suggested that we should investigate alternative APIs.

      14:31:58,158 ERROR [ExportUtils] Error determining export type from export zip: /data/confluence/restore/david.zip
      java.util.zip.ZipException: invalid END header (bad central directory size)
      at java.util.zip.ZipFile.open(Native Method)
      at java.util.zip.ZipFile.<init>(ZipFile.java:203)
      at java.util.zip.ZipFile.<init>(ZipFile.java:234)

      In the meantime, the suggested workaround for this issue is to disable automatic backups and backup the Confluence database and home directory using an external scheduling system.

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        Issue Links

          is incorporated by

          Suggestion - CONFCLOUD-5766 Improve performance of XML backup and restore

          • Closed
          is related to

          Suggestion - CONFSERVER-6673 Use different ZIP API to allow restoring backups larger than 2 GB

          • Gathering Interest
          relates to

          Bug - A problem which impairs or prevents the functions of the product. CONFCLOUD-20912 Large Attachments (more than 2GB) Cannot be Uploaded

          • Medium - Medium priority issues
          • Closed

          Suggestion - CONFCLOUD-26115 There's no documentation in regards of limitation of Confluence export

          • Closed

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              Unassigned Unassigned
              matt@atlassian.com Matt Ryall
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                Created:
                Updated: