Claude Code ui

Server-Side Template Syntax Errors

Server-side rendered pages fail to load with template syntax errors. Browser shows 500 error, server logs show the template couldn't be parsed. Changes to template files aren't working as expected.

Template syntax is close to correct but has subtle errors that prevent rendering.

Error Messages You Might See

TemplateProcessingException: could not parse template Line 45: unexpected token Variable not found in context
TemplateProcessingException: could not parse templateLine 45: unexpected tokenVariable not found in context

Common Causes

  1. Missing closing tags in template (
without corresponding
)
  • Incorrect variable syntax: user.profile vs user?.profile or user-profile
  • Thymeleaf-specific syntax missing (th: prefix):
    not working without prefix
  • Unescaped HTML in expression, template engine can't parse
  • Variable not available in template context, causing null reference errors
  • How to Fix It

    Check template syntax carefully: matching tags, correct prefixes (th:if, th:each). Use IDE with template support for syntax highlighting. Review server logs for exact parse error and line number. Test variable is available: add {{ variable }} to confirm. Use try-catch or safe navigation in templates. Enable strict mode to catch errors early.

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