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tschuehly / spring-view-component

Server-side UI components with spring boot
MIT License
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"No bean resolver registered" when trying to nest components #1

Closed wimdeblauwe closed 1 year ago

wimdeblauwe commented 1 year ago

I am trying to nest components, but I get this error:

No bean resolver registered in the context to resolve access to bean 'productViewComponent'
Click to see full stack trace ``` 2023-03-06T22:03:48.918+01:00 ERROR 3976 --- [nio-8080-exec-1] org.thymeleaf.TemplateEngine : [THYMELEAF][http-nio-8080-exec-1] Exception processing template "index": An error happened during template parsing (template: "class path resource [templates/index.html]") org.thymeleaf.exceptions.TemplateInputException: An error happened during template parsing (template: "class path resource [templates/index.html]") at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parse(AbstractMarkupTemplateParser.java:241) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parseStandalone(AbstractMarkupTemplateParser.java:100) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:666) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1103) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1077) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.spring6.view.ThymeleafView.renderFragment(ThymeleafView.java:372) ~[thymeleaf-spring6-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.spring6.view.ThymeleafView.render(ThymeleafView.java:192) ~[thymeleaf-spring6-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1415) ~[spring-webmvc-6.0.6.jar:6.0.6] at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1159) ~[spring-webmvc-6.0.6.jar:6.0.6] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1098) ~[spring-webmvc-6.0.6.jar:6.0.6] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:974) ~[spring-webmvc-6.0.6.jar:6.0.6] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1011) ~[spring-webmvc-6.0.6.jar:6.0.6] at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903) ~[spring-webmvc-6.0.6.jar:6.0.6] at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:705) ~[tomcat-embed-core-10.1.5.jar:6.0] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885) ~[spring-webmvc-6.0.6.jar:6.0.6] at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:814) ~[tomcat-embed-core-10.1.5.jar:6.0] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:223) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.springframework.web.servlet.resource.ResourceUrlEncodingFilter.doFilter(ResourceUrlEncodingFilter.java:66) ~[spring-webmvc-6.0.6.jar:6.0.6] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-6.0.6.jar:6.0.6] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.6.jar:6.0.6] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-6.0.6.jar:6.0.6] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.6.jar:6.0.6] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-6.0.6.jar:6.0.6] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.6.jar:6.0.6] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:177) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:119) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:400) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:859) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1734) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na] Caused by: org.attoparser.ParseException: Exception evaluating SpringEL expression: "@productListViewComponent.render()" (template: "index" - line 11, col 11) at org.attoparser.MarkupParser.parseDocument(MarkupParser.java:393) ~[attoparser-2.0.6.RELEASE.jar:2.0.6.RELEASE] at org.attoparser.MarkupParser.parse(MarkupParser.java:257) ~[attoparser-2.0.6.RELEASE.jar:2.0.6.RELEASE] at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parse(AbstractMarkupTemplateParser.java:230) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] ... 51 common frames omitted Caused by: org.thymeleaf.exceptions.TemplateProcessingException: Exception evaluating SpringEL expression: "@productListViewComponent.render()" (template: "index" - line 11, col 11) at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:292) ~[thymeleaf-spring6-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.expression.VariableExpression.executeVariableExpression(VariableExpression.java:166) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.expression.SimpleExpression.executeSimple(SimpleExpression.java:66) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:109) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:138) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:125) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.inline.AbstractStandardInliner.processExpression(AbstractStandardInliner.java:528) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.inline.AbstractStandardInliner.performInlining(AbstractStandardInliner.java:389) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.inline.AbstractStandardInliner.inline(AbstractStandardInliner.java:283) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.processor.StandardInliningCommentProcessor.doProcess(StandardInliningCommentProcessor.java:55) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.processor.comment.AbstractCommentProcessor.process(AbstractCommentProcessor.java:57) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.util.ProcessorConfigurationUtils$CommentProcessorWrapper.process(ProcessorConfigurationUtils.java:681) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.ProcessorTemplateHandler.handleComment(ProcessorTemplateHandler.java:665) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.Comment.beHandled(Comment.java:147) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.Model.process(Model.java:282) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.ProcessorTemplateHandler.handleOpenElement(ProcessorTemplateHandler.java:1587) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.OpenElementTag.beHandled(OpenElementTag.java:205) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.Model.process(Model.java:282) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.ProcessorTemplateHandler.handleOpenElement(ProcessorTemplateHandler.java:1587) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.OpenElementTag.beHandled(OpenElementTag.java:205) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.Model.process(Model.java:282) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.Model.process(Model.java:290) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.GatheringModelProcessable.process(GatheringModelProcessable.java:78) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.ProcessorTemplateHandler.handleCloseElement(ProcessorTemplateHandler.java:1640) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.TemplateHandlerAdapterMarkupHandler.handleCloseElementEnd(TemplateHandlerAdapterMarkupHandler.java:388) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.templateparser.markup.InlinedOutputExpressionMarkupHandler$InlineMarkupAdapterPreProcessorHandler.handleCloseElementEnd(InlinedOutputExpressionMarkupHandler.java:322) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.inline.OutputExpressionInlinePreProcessorHandler.handleCloseElementEnd(OutputExpressionInlinePreProcessorHandler.java:220) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.templateparser.markup.InlinedOutputExpressionMarkupHandler.handleCloseElementEnd(InlinedOutputExpressionMarkupHandler.java:164) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.attoparser.HtmlElement.handleCloseElementEnd(HtmlElement.java:169) ~[attoparser-2.0.6.RELEASE.jar:2.0.6.RELEASE] at org.attoparser.HtmlMarkupHandler.handleCloseElementEnd(HtmlMarkupHandler.java:412) ~[attoparser-2.0.6.RELEASE.jar:2.0.6.RELEASE] at org.attoparser.MarkupEventProcessorHandler.handleCloseElementEnd(MarkupEventProcessorHandler.java:473) ~[attoparser-2.0.6.RELEASE.jar:2.0.6.RELEASE] at org.attoparser.ParsingElementMarkupUtil.parseCloseElement(ParsingElementMarkupUtil.java:201) ~[attoparser-2.0.6.RELEASE.jar:2.0.6.RELEASE] at org.attoparser.MarkupParser.parseBuffer(MarkupParser.java:725) ~[attoparser-2.0.6.RELEASE.jar:2.0.6.RELEASE] at org.attoparser.MarkupParser.parseDocument(MarkupParser.java:301) ~[attoparser-2.0.6.RELEASE.jar:2.0.6.RELEASE] ... 53 common frames omitted Caused by: org.springframework.expression.spel.SpelEvaluationException: EL1001E: Type conversion problem, cannot convert from de.tschuehly.thymeleafviewcomponent.ViewContext to java.lang.String at org.springframework.expression.spel.support.StandardTypeConverter.convertValue(StandardTypeConverter.java:87) ~[spring-expression-6.0.6.jar:6.0.6] at org.springframework.expression.common.ExpressionUtils.convertTypedValue(ExpressionUtils.java:57) ~[spring-expression-6.0.6.jar:6.0.6] at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:378) ~[spring-expression-6.0.6.jar:6.0.6] at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:279) ~[thymeleaf-spring6-3.1.1.RELEASE.jar:3.1.1.RELEASE] ... 86 common frames omitted Caused by: org.springframework.core.convert.ConversionFailedException: Failed to convert from type [de.tschuehly.thymeleafviewcomponent.ViewContext] to type [java.lang.String] for value 'de.tschuehly.thymeleafviewcomponent.ViewContext@2985db44' at org.springframework.core.convert.support.ConversionUtils.invokeConverter(ConversionUtils.java:47) ~[spring-core-6.0.6.jar:6.0.6] at org.springframework.core.convert.support.GenericConversionService.convert(GenericConversionService.java:192) ~[spring-core-6.0.6.jar:6.0.6] at org.springframework.expression.spel.support.StandardTypeConverter.convertValue(StandardTypeConverter.java:82) ~[spring-expression-6.0.6.jar:6.0.6] ... 89 common frames omitted Caused by: org.thymeleaf.exceptions.TemplateProcessingException: Exception evaluating SpringEL expression: "@productViewComponent.render(product)" (template: "com/wimdeblauwe/examples/viewcomponentdemo/product/ProductListViewComponent.html" - line 26, col 15) at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:292) ~[thymeleaf-spring6-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.expression.VariableExpression.executeVariableExpression(VariableExpression.java:166) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.expression.SimpleExpression.executeSimple(SimpleExpression.java:66) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:109) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:138) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.standard.processor.StandardUtextTagProcessor.doProcess(StandardUtextTagProcessor.java:87) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.processor.element.AbstractAttributeTagProcessor.doProcess(AbstractAttributeTagProcessor.java:74) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.processor.element.AbstractElementTagProcessor.process(AbstractElementTagProcessor.java:95) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.util.ProcessorConfigurationUtils$ElementTagProcessorWrapper.process(ProcessorConfigurationUtils.java:633) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.ProcessorTemplateHandler.handleOpenElement(ProcessorTemplateHandler.java:1314) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.OpenElementTag.beHandled(OpenElementTag.java:205) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.Model.process(Model.java:282) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.Model.process(Model.java:290) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.IteratedGatheringModelProcessable.processIterationModel(IteratedGatheringModelProcessable.java:368) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.IteratedGatheringModelProcessable.process(IteratedGatheringModelProcessable.java:222) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.ProcessorTemplateHandler.handleCloseElement(ProcessorTemplateHandler.java:1640) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.CloseElementTag.beHandled(CloseElementTag.java:139) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.TemplateModel.process(TemplateModel.java:136) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:661) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1103) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1064) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1053) ~[thymeleaf-3.1.1.RELEASE.jar:3.1.1.RELEASE] at de.tschuehly.thymeleafviewcomponent.ViewComponentFormatter.print(ViewComponentFormatter.kt:18) ~[thymeleaf-view-component-0.2.0.jar:na] at de.tschuehly.thymeleafviewcomponent.ViewComponentFormatter.print(ViewComponentFormatter.kt:8) ~[thymeleaf-view-component-0.2.0.jar:na] at org.springframework.format.support.FormattingConversionService$PrinterConverter.convert(FormattingConversionService.java:175) ~[spring-context-6.0.6.jar:6.0.6] at org.springframework.core.convert.support.ConversionUtils.invokeConverter(ConversionUtils.java:41) ~[spring-core-6.0.6.jar:6.0.6] ... 91 common frames omitted Caused by: org.springframework.expression.spel.SpelEvaluationException: EL1057E: No bean resolver registered in the context to resolve access to bean 'productViewComponent' at org.springframework.expression.spel.ast.BeanReference.getValueInternal(BeanReference.java:51) ~[spring-expression-6.0.6.jar:6.0.6] at org.springframework.expression.spel.ast.CompoundExpression.getValueRef(CompoundExpression.java:55) ~[spring-expression-6.0.6.jar:6.0.6] at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:91) ~[spring-expression-6.0.6.jar:6.0.6] at org.springframework.expression.spel.ast.SpelNodeImpl.getTypedValue(SpelNodeImpl.java:117) ~[spring-expression-6.0.6.jar:6.0.6] at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:376) ~[spring-expression-6.0.6.jar:6.0.6] at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:279) ~[thymeleaf-spring6-3.1.1.RELEASE.jar:3.1.1.RELEASE] ... 116 common frames omitted ```

See https://github.com/wimdeblauwe/blog-example-code/tree/feature/viewcomponent-demo/viewcomponent-demo for the code I am using. (Note that you need to run npm run build before starting the Spring Boot application, or just run mvn verify before starting the app, that will also run the npm build)

In index.html, I render the list of products using:

    <div>
        [(${{@productListViewComponent.render()}})]
    </div>

This component delegates the rendering of each product to another component using a parameter:

        <th:block th:each="product : ${products}">
            [(${{@productViewComponent.render(product)}})]
        </th:block>

Not sure if this is the intended usage, because i could have just used a fragment as well, but I am still in the "invenstigation phase", trying to get a feel of where and how this library might be useful.

tschuehly commented 1 year ago

This issue should be fixed with v0.3.1 @wimdeblauwe