6
是什么版本出现了此问题？
2.9.1
使用的什么数据库？H2
使用的哪种方式部署？Docker
在线站点地址https://publish.feeflash.com/tags/chang-jian-wen-ti
发生了什么？可以在线访问：https://publish.feeflash.com/tags/chang-jian-wen-ti 我也不知道怎样触发了tags的bug 500服务器内部错误 提示 500 服务器内部错误
相关日志输出2023-09-11T21:40:36.529+08:00 ERROR 8 --- [boundedElastic-3] a.w.r.e.AbstractErrorWebExceptionHandler : [a57547a2-317] 500 Server Error for HTTP GET "/tags/chang-jian-wen-ti"
org.thymeleaf.exceptions.TemplateProcessingException: Exception evaluating SpringEL expression: "post.categories[0].status.permalink" (template: "modules/post-card" - line 33, col 9)
at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:292) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException:
Error has been observed at the following site(s):
*__checkpoint ⇢ Handler run.halo.app.theme.router.factories.TagPostRouteFactory$$Lambda$2321/0x00007f1db8ac8000@786a9d3c [DispatcherHandler]
*__checkpoint ⇢ run.halo.app.security.InitializeRedirectionWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ run.halo.app.security.authentication.login.UsernamePasswordLogoutHandler [DefaultWebFilterChain]
*__checkpoint ⇢ run.halo.app.security.authentication.login.DelegatingLogoutPageGeneratingWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ run.halo.app.security.authentication.login.UsernamePasswordAuthenticator [DefaultWebFilterChain]
*__checkpoint ⇢ AuthorizationWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ ExceptionTranslationWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ LogoutWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ ServerRequestCacheWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ SecurityContextServerWebExchangeWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ HaloAnonymousAuthenticationWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ ReactorContextWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ CsrfWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ HttpHeaderWriterWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ ServerWebExchangeReactorContextWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ org.springframework.security.web.server.WebFilterChainProxy [DefaultWebFilterChain]
*__checkpoint ⇢ org.springframework.web.filter.reactive.ServerHttpObservationFilter [DefaultWebFilterChain]
*__checkpoint ⇢ HTTP GET "/tags/chang-jian-wen-ti" [ExceptionHandlingWebHandler]
Original Stack Trace:
at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:292) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at run.halo.app.theme.ReactiveSpelVariableExpressionEvaluator.evaluate(ReactiveSpelVariableExpressionEvaluator.java:29) ~[classes/:2.9.1]
at org.thymeleaf.standard.expression.VariableExpression.executeVariableExpression(VariableExpression.java:166) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.standard.expression.SimpleExpression.executeSimple(SimpleExpression.java:66) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.standard.expression.Expression.execute(Expression.java:109) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.standard.expression.Expression.execute(Expression.java:138) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.standard.expression.LinkExpression.executeLinkExpression(LinkExpression.java:264) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.standard.expression.SimpleExpression.executeSimple(SimpleExpression.java:85) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.standard.expression.Expression.execute(Expression.java:109) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.standard.expression.Expression.execute(Expression.java:138) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.standard.processor.AbstractStandardExpressionAttributeTagProcessor.doProcess(AbstractStandardExpressionAttributeTagProcessor.java:144) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.processor.element.AbstractAttributeTagProcessor.doProcess(AbstractAttributeTagProcessor.java:74) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.processor.element.AbstractElementTagProcessor.process(AbstractElementTagProcessor.java:95) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.util.ProcessorConfigurationUtils$ElementTagProcessorWrapper.process(ProcessorConfigurationUtils.java:633) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.ProcessorTemplateHandler.handleOpenElement(ProcessorTemplateHandler.java:1314) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.OpenElementTag.beHandled(OpenElementTag.java:205) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.Model.process(Model.java:282) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.ProcessorTemplateHandler.handleStandaloneElement(ProcessorTemplateHandler.java:1204) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.StandaloneElementTag.beHandled(StandaloneElementTag.java:228) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.Model.process(Model.java:282) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.Model.process(Model.java:290) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.IteratedGatheringModelProcessable.processIterationModel(IteratedGatheringModelProcessable.java:368) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.IteratedGatheringModelProcessable.process(IteratedGatheringModelProcessable.java:222) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.ProcessorTemplateHandler.handleCloseElement(ProcessorTemplateHandler.java:1640) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.CloseElementTag.beHandled(CloseElementTag.java:139) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.Model.process(Model.java:282) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.ProcessorTemplateHandler.handleStandaloneElement(ProcessorTemplateHandler.java:1204) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.StandaloneElementTag.beHandled(StandaloneElementTag.java:228) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.Model.process(Model.java:282) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.ProcessorTemplateHandler.handleOpenElement(ProcessorTemplateHandler.java:1587) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.OpenElementTag.beHandled(OpenElementTag.java:205) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.TemplateModel.process(TemplateModel.java:136) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:592) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1103) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1077) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.spring6.SpringWebFluxTemplateEngine.lambda$createFullStream$0(SpringWebFluxTemplateEngine.java:198) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at reactor.core.publisher.MonoCreate.subscribe(MonoCreate.java:58) ~[reactor-core-3.5.9.jar:3.5.9]
at reactor.core.publisher.Mono.subscribe(Mono.java:4495) ~[reactor-core-3.5.9.jar:3.5.9]
at reactor.core.publisher.MonoSubscribeOn$SubscribeOnSubscriber.run(MonoSubscribeOn.java:126) ~[reactor-core-3.5.9.jar:3.5.9]
at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:84) ~[reactor-core-3.5.9.jar:3.5.9]
at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:37) ~[reactor-core-3.5.9.jar:3.5.9]
at java.base/java.util.concurrent.FutureTask.run(Unknown Source) ~[na:na]
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source) ~[na:na]
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) ~[na:na]
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) ~[na:na]
at java.base/java.lang.Thread.run(Unknown Source) ~[na:na]
Caused by: org.springframework.expression.spel.SpelEvaluationException: EL1025E: The collection has '0' elements, index '0' is invalid
at org.springframework.expression.spel.ast.Indexer$CollectionIndexingValueRef.growCollectionIfNecessary(Indexer.java:705) ~[spring-expression-6.0.11.jar:6.0.11]
at org.springframework.expression.spel.ast.Indexer$CollectionIndexingValueRef.getValue(Indexer.java:669) ~[spring-expression-6.0.11.jar:6.0.11]
at org.springframework.expression.spel.ast.Indexer.getValueInternal(Indexer.java:103) ~[spring-expression-6.0.11.jar:6.0.11]
at org.springframework.expression.spel.ast.CompoundExpression.getValueRef(CompoundExpression.java:65) ~[spring-expression-6.0.11.jar:6.0.11]
at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:95) ~[spring-expression-6.0.11.jar:6.0.11]
at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:114) ~[spring-expression-6.0.11.jar:6.0.11]
at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:338) ~[spring-expression-6.0.11.jar:6.0.11]
at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:265) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at run.halo.app.theme.ReactiveSpelVariableExpressionEvaluator.evaluate(ReactiveSpelVariableExpressionEvaluator.java:29) ~[classes/:2.9.1]
at org.thymeleaf.standard.expression.VariableExpression.executeVariableExpression(VariableExpression.java:166) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.standard.expression.SimpleExpression.executeSimple(SimpleExpression.java:66) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
at org.thymeleaf.standard.expression.Expression.execute(Expression.java:109) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]