Confluence Doesn't Generate Thumbnails

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症状

Thumbnails do not render. The following appears in the atlassian-confluence.log:

"This Confluence installation can not generate thumbnails: no image support in Java runtime" while generating thumbnails

原因

On some Java installations (i.e. Unix without X11), you need to pass an additional parameter to Java when you are starting up to tell it how to use its image-manipulation libraries - to run in a headless mode, thus appending -Djava.awt.headless=true option. Getting thumbnail support working in this configuration depends on your application server. You can learn more about Headless Mode here.

ソリューション

Linux の場合

  1. Edit Confluence install\bin\setenv.sh and add the '-Djava.awt.headless=true' parameter. For example JAVA_OPTS="-Xms128m -Xmx256m $JAVA_OPTS -Djava.awt.headless=true "
  2. If you are using Fedora Linux, you will also need to install the xorg-x11-deprecated-libs package. (See: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=130239)

Windows の場合

  1. ファイル Confluence install\bin\setenv.bat を編集します。
  2. Modify the line set JAVA_OPTS line by appending -Djava.awt.headless=true, for example set JAVA_OPTS=%JAVA_OPTS% -Xms128m -Xmx256m -Djava.awt.headless=true

As a Windows Service:

  1. Open a command prompt in the Confluence install\bin directory
  2. Execute tomcat5 //US//Confluence ++JvmOptions="-Djava.awt.headless=true"
Last modified on Mar 30, 2016

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