Thymeleaf 3.1 fails to render base64 image - TemplateProcessingException

Asked Jan 06 '23 at 13:59

Active Jan 06 '23 at 13:59

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I am migrating my application to Spring boot 3.0.1, and the thymeleaf version from 2 to 3.1

I have this line of code:

<img class="img-logo-main" src="#" alt="logo" th:src="@{'data:image/jpeg;base64,'+${logoMBase64}}" width="335" height="82">

which was executing normally before the upgrade, but now I am getting:

TemplateProcessingException - Caused by: 

org.thymeleaf.exceptions.TemplateProcessingException: No configured link builder instance was able to build link with base "data:image/jpeg;base64,null" and parameters null (template: "my-template.html" - line 3, col 51)

NOTES: I am sending the logoMBase64 param. IDK why the log states null

Am I missing any configuration? Or have there been any changes in support for rendering base64 imgs?

Thanks!

asked Jan 06 '23 at 13:59

John P

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Did you manage to solve this? I have the same issue... – Codepressed Feb 24 '23 at 12:19
I have fixed it this way: https://stackoverflow.com/questions/75057838/migration-from-thymeleaf-3-0-to-3-1 – John P Mar 01 '23 at 14:24

Thymeleaf 3.1 fails to render base64 image - TemplateProcessingException

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