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  1. Confluence Server and Data Center
  2. CONFSERVER-59429

Texts in powerpoint thumbnail is not rendered correctly depending on Java version

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    Description

      Issue Summary

      Texts in powerpoint thumbnail is not rendered correctly depending on Java version. Characters are overlaid each other.
      As far as I confirmed,

      Steps to Reproduce

      1. Prepare Linux OS and install some fonts to enable server side rendering
        I've tested with Ubuntu
        sudo apt-get update
        sudo apt-get install -y fontconfig
        apt-get install -y fonts-dejavu
        
      1. Install Confluence from tar.gz and configure it to use AdoptOpenJDK jdk8u242-b08
      2. Open the editor, and drag and drop sample.pptx on your browser.

      Expected Results

      sample.pptx is rendered correctly.

      Actual Results

      The text is squashed.

      Workaround

      Use jdk8u202-b08 as Supported Platforms suggests.

      Some AdoptOpenJDK versions have bugs that impact Confluence. We recommend version jdk8u202 (see CONFSERVER-58784).

      Or, if you are already using Java 11, upgrade to version 11.0.7.

      Note: Confluence LTS version 7.4.3 and later is bundled with AdoptOpenJDK version 11.0.7+10, which is unaffected by this bug. However, if Confluence is running using an older JDK version which is affected, the bug will still be experienced.

       

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              oshen@atlassian.com Oliver Shen
              nmukai Nobuyuki Mukai
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              Dates

                Created:
                Updated:
                Resolved: