'java.io.FileNotFoundException Thumbnail file for attachment does not exist' when Generating a Thumbnail
Platform Notice: Data Center - This article applies to Atlassian products on the Data Center platform.
Note that this knowledge base article was created for the Data Center version of the product. Data Center knowledge base articles for non-Data Center-specific features may also work for Server versions of the product, however they have not been tested. 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
The installation can not generate thumbnails. The following appears in the atlassian-confluence.log:
java.io.FileNotFoundException: Thumbnail file for attachment TASIS logo.jpg does not exist.
at com.atlassian.confluence.pages.thumbnail.AbstractThumbnailManager.getThumbnailData(AbstractThumbnailManager.java:54)
at com.atlassian.confluence.pages.thumbnail.DelegatorThumbnailManager.getThumbnailData(DelegatorThumbnailManager.java:46)
at com.atlassian.confluence.servlet.download.ThumbnailDownload.serveThumbnail(ThumbnailDownload.java:90)
Cause
The java.awt.headless=true parameter is missing.
Resolution
Refer to Confluence Doesn't Generate Thumbnails for a solution.