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  1. Confluence Server and Data Center
  2. CONFSERVER-29997

Rendering a large spreadsheet can cause OutOfMemory errors

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    Description

      Symptoms

      Rendering a large xls or xlsx spreadsheet can cause an OutOfMemory error in Confluence. We have seen this occur on OnDemand instances and behind-the-firewall instances.

      Steps to Reproduce

      Developers, please see the attachment PLM_stats.xls in this (private) support case for an example of a file that can cause this issue.

      Workarounds

      1. Reduce the size of the spreadsheet to reduce the rendering required
      2. Increase the memory available to Confluence
      3. NB: If you use G1GC we would recommend turning that off. We have not done extensive testing but the collector it replaced (CMS) did not generally perform well with Confluence, and we have anecdotally seen some examples of G1GC causing problems with Confluence as well.

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              shaffenden Steve Haffenden (Inactive)
              dunterwurzacher Denise Unterwurzacher [Atlassian]
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                Created:
                Updated:
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