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.

    Real developers can help you.

    Victor Denisov Victor Denisov Developer Nam Tran Nam Tran 10 years as fullstack developer Dor Yaloz Dor Yaloz SW engineer with 6+ years of experience, I worked with React/Node/Python did projects with React+Capacitor.js for ios Supabase expert Taufan Taufan I’m a product-focused engineer and tech leader who builds scalable systems and turns ideas into production-ready platforms. Over the past years, I’ve worked across startups and fast-moving teams, leading backend architecture, improving system reliability, and shipping products used by thousands of users. My strength is not just writing code — but connecting product vision, technical execution, and business impact. Anthony Akpan Anthony Akpan Developer with 8 years of experience building softwares fro startups zipking zipking I am a technologist and product builder dedicated to creating high-impact solutions at the intersection of AI and specialized markets. Currently, I am focused on PropScan (EstateGuard), an AI-driven SaaS platform tailored for the Japanese real estate industry, and exploring the potential of Archify. As an INFJ-T, I approach development with a "systems-thinking" mindset—balancing technical precision with a deep understanding of user needs. I particularly enjoy the challenge of architecting Vertical AI SaaS and optimizing Small Language Models (SLMs) to solve specific, real-world business problems. Whether I'm in a CTO-level leadership role or hands-on with the code, I thrive on building tools that turn complex data into actionable value. Sage Fulcher Sage Fulcher Hey I'm Sage! Im a Boston area software engineer who grew up in South Florida. Ive worked at a ton of cool places like a telehealth kidney care startup that took part in a billion dollar merger (Cricket health/Interwell health), a boutique design agency where I got to work on a ton of exciting startups including a photography education app, a collegiate Esports league and more (Philosophie), a data analytics as a service startup in Cambridge (MA) as well as at Phillips and MIT Lincoln Lab where I designed and developed novel network security visualizations and analytics. I've been writing code and furiously devoted to using computers to make people’s lives easier for about 17 years. My degree is in making computers make pretty lights and sounds. Outside of work I love hip hop, the Celtics, professional wrestling, magic the gathering, photography, drumming, and guitars (both making and playing them) Jaime Orts-Caroff Jaime Orts-Caroff I'm a Senior Android developer, open to work in various fields Milan Surelia Milan Surelia Milan Surelia is a Mobile App Developer with 5+ years of experience crafting scalable, cross-platform apps at 7Span and Meticha. At 7Span, he engineers feature-rich Flutter apps with smooth performance and modern UI. As the Co-Founder of Meticha, he builds open-source tools and developer-focused products that solve real-world problems. Expertise: 💡 Developing cross-platform apps using Flutter, Dart, and Jetpack Compose for Android, iOS, and Web. 🖋️ Sharing insights through technical writing, blogging, and open-source contributions. 🤝 Collaborating closely with designers, PMs, and developers to build seamless mobile experiences. Notable Achievements: 🎯 Revamped the Vepaar app into Vepaar Store & CRM with a 2x performance boost and smoother UX. 🚀 Launched Compose101 — a Jetpack Compose starter kit to speed up Android development. 🌟 Open source contributions on Github & StackOverflow for Flutter & Dart 🎖️ Worked on improving app performance and user experience with smart solutions. Milan is always happy to connect, work on new ideas, and explore the latest in technology. Bastien Labelle Bastien Labelle Full stack dev w/ 20+ years of experience

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