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halo-dev / halo

强大易用的开源建站工具。
https://www.halo.run
GNU General Public License v3.0
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访问网站500报错 #6565

Closed Steven-WZH closed 2 weeks ago

Steven-WZH commented 2 weeks ago

系统信息

使用的哪种方式运行？

Docker

发生了什么？

访问网站500报错，后台正常

复现步骤

No response

相关日志输出

org.thymeleaf.exceptions.TemplateProcessingException: Exception evaluating SpringEL expression: "#strings.isEmpty(post.spec.cover) ? postRandomImg+post.spec.title : thumbnail.gen(post.spec.cover, "m")" (template: "modules/post-list" - line 16, col 22)
    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/:2.18.0]
    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.Expression.execute(Expression.java:125) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at org.thymeleaf.standard.processor.StandardWithTagProcessor.doProcess(StandardWithTagProcessor.java:93) ~[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.handleStandaloneElement(ProcessorTemplateHandler.java:918) ~[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.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:661) ~[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$0(SpringWebFluxTemplateEngine.java:198) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at reactor.core.publisher.MonoCreate.subscribe(MonoCreate.java:61) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.publisher.Mono.subscribe(Mono.java:4568) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.publisher.MonoSubscribeOn$SubscribeOnSubscriber.run(MonoSubscribeOn.java:126) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:84) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:37) ~[reactor-core-3.6.7.jar:3.6.7]
    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: EL1011E: Method call: Attempted to call method gen(java.lang.String,java.lang.String) on null context object
    at org.springframework.expression.spel.ast.MethodReference.throwIfNotNullSafe(MethodReference.java:167) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.MethodReference.getValueRef(MethodReference.java:96) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueRef(CompoundExpression.java:75) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:96) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.Ternary.getValueInternal(Ternary.java:59) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:114) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:338) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:265) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    ... 42 common frames omitted

2024-09-01T19:48:24.625+08:00 ERROR 7 --- [oundedElastic-2] o.t.spring6.SpringWebFluxTemplateEngine  : [THYMELEAF][boundedElastic-2] Exception processing template "index": Exception evaluating SpringEL expression: "#strings.isEmpty(post.spec.cover) ? postRandomImg+post.spec.title : thumbnail.gen(post.spec.cover, "m")" (template: "modules/post-list" - line 16, col 22)

org.thymeleaf.exceptions.TemplateProcessingException: Exception evaluating SpringEL expression: "#strings.isEmpty(post.spec.cover) ? postRandomImg+post.spec.title : thumbnail.gen(post.spec.cover, "m")" (template: "modules/post-list" - line 16, col 22)
    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/:2.18.0]
    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.Expression.execute(Expression.java:125) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at org.thymeleaf.standard.processor.StandardWithTagProcessor.doProcess(StandardWithTagProcessor.java:93) ~[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.handleStandaloneElement(ProcessorTemplateHandler.java:918) ~[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.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:661) ~[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$0(SpringWebFluxTemplateEngine.java:198) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at reactor.core.publisher.MonoCreate.subscribe(MonoCreate.java:61) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.publisher.Mono.subscribe(Mono.java:4568) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.publisher.MonoSubscribeOn$SubscribeOnSubscriber.run(MonoSubscribeOn.java:126) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:84) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:37) ~[reactor-core-3.6.7.jar:3.6.7]
    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: EL1011E: Method call: Attempted to call method gen(java.lang.String,java.lang.String) on null context object
    at org.springframework.expression.spel.ast.MethodReference.throwIfNotNullSafe(MethodReference.java:167) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.MethodReference.getValueRef(MethodReference.java:96) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueRef(CompoundExpression.java:75) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:96) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.Ternary.getValueInternal(Ternary.java:59) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:114) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:338) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:265) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    ... 42 common frames omitted

2024-09-01T19:48:24.635+08:00 ERROR 7 --- [oundedElastic-2] a.w.r.e.AbstractErrorWebExceptionHandler : [99af14ab-6]  500 Server Error for HTTP GET "/"

org.thymeleaf.exceptions.TemplateProcessingException: Exception evaluating SpringEL expression: "#strings.isEmpty(post.spec.cover) ? postRandomImg+post.spec.title : thumbnail.gen(post.spec.cover, "m")" (template: "modules/post-list" - line 16, col 22)
    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.IndexRouteFactory$$Lambda/0x000000007812bfa8@d4120e98 [DispatcherHandler]
    *__checkpoint ⇢ run.halo.app.security.InitializeRedirectionWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ run.halo.app.security.device.DeviceSessionFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ SecurityWebFilterChainProxy [DefaultWebFilterChain]
    *__checkpoint ⇢ AuthorizationWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ ExceptionTranslationWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ LogoutWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ ServerRequestCacheWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ SecurityContextServerWebExchangeWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ LogoutPageGeneratingWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ AnonymousAuthenticationWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ SecurityWebFilterChainProxy [DefaultWebFilterChain]
    *__checkpoint ⇢ TotpAuthenticationFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ AuthenticationWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ SecurityWebFilterChainProxy [DefaultWebFilterChain]
    *__checkpoint ⇢ AuthenticationWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ SecurityWebFilterChainProxy [DefaultWebFilterChain]
    *__checkpoint ⇢ AuthenticationWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ AuthenticationWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ ReactorContextWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ CsrfWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ CorsWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ HttpHeaderWriterWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ SecurityWebFilterChainProxy [DefaultWebFilterChain]
    *__checkpoint ⇢ ServerWebExchangeReactorContextWebFilter [DefaultWebFilterChain]
    *__checkpoint ⇢ org.springframework.security.web.server.WebFilterChainProxy [DefaultWebFilterChain]
    *__checkpoint ⇢ run.halo.app.webfilter.AdditionalWebFilterChainProxy [DefaultWebFilterChain]
    *__checkpoint ⇢ HTTP GET "/" [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/:2.18.0]
        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.Expression.execute(Expression.java:125) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
        at org.thymeleaf.standard.processor.StandardWithTagProcessor.doProcess(StandardWithTagProcessor.java:93) ~[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.handleStandaloneElement(ProcessorTemplateHandler.java:918) ~[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.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:661) ~[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$0(SpringWebFluxTemplateEngine.java:198) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
        at reactor.core.publisher.MonoCreate.subscribe(MonoCreate.java:61) ~[reactor-core-3.6.7.jar:3.6.7]
        at reactor.core.publisher.Mono.subscribe(Mono.java:4568) ~[reactor-core-3.6.7.jar:3.6.7]
        at reactor.core.publisher.MonoSubscribeOn$SubscribeOnSubscriber.run(MonoSubscribeOn.java:126) ~[reactor-core-3.6.7.jar:3.6.7]
        at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:84) ~[reactor-core-3.6.7.jar:3.6.7]
        at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:37) ~[reactor-core-3.6.7.jar:3.6.7]
        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: EL1011E: Method call: Attempted to call method gen(java.lang.String,java.lang.String) on null context object
    at org.springframework.expression.spel.ast.MethodReference.throwIfNotNullSafe(MethodReference.java:167) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.MethodReference.getValueRef(MethodReference.java:96) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueRef(CompoundExpression.java:75) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:96) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.Ternary.getValueInternal(Ternary.java:59) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:114) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:338) ~[spring-expression-6.1.10.jar:6.1.10]
    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/:2.18.0]
    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.Expression.execute(Expression.java:125) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at org.thymeleaf.standard.processor.StandardWithTagProcessor.doProcess(StandardWithTagProcessor.java:93) ~[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.handleStandaloneElement(ProcessorTemplateHandler.java:918) ~[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.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:661) ~[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$0(SpringWebFluxTemplateEngine.java:198) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at reactor.core.publisher.MonoCreate.subscribe(MonoCreate.java:61) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.publisher.Mono.subscribe(Mono.java:4568) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.publisher.MonoSubscribeOn$SubscribeOnSubscriber.run(MonoSubscribeOn.java:126) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:84) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:37) ~[reactor-core-3.6.7.jar:3.6.7]
    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]

2024-09-01T19:48:25.687+08:00 ERROR 7 --- [oundedElastic-1] org.thymeleaf.TemplateEngine             : [THYMELEAF][boundedElastic-1] Exception processing template "error/500": Exception evaluating SpringEL expression: "#strings.isEmpty(post.spec.cover) ? postRandomImg+post.spec.title : thumbnail.gen(post.spec.cover, "m")" (template: "error/500" - line 41, col 33)

org.thymeleaf.exceptions.TemplateProcessingException: Exception evaluating SpringEL expression: "#strings.isEmpty(post.spec.cover) ? postRandomImg+post.spec.title : thumbnail.gen(post.spec.cover, "m")" (template: "error/500" - line 41, col 33)
    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/:2.18.0]
    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.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.handleStandaloneElement(ProcessorTemplateHandler.java:918) ~[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.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.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:661) ~[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$0(SpringWebFluxTemplateEngine.java:198) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at reactor.core.publisher.MonoCreate.subscribe(MonoCreate.java:61) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.publisher.Mono.subscribe(Mono.java:4568) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.publisher.MonoSubscribeOn$SubscribeOnSubscriber.run(MonoSubscribeOn.java:126) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:84) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:37) ~[reactor-core-3.6.7.jar:3.6.7]
    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: EL1011E: Method call: Attempted to call method gen(java.lang.String,java.lang.String) on null context object
    at org.springframework.expression.spel.ast.MethodReference.throwIfNotNullSafe(MethodReference.java:167) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.MethodReference.getValueRef(MethodReference.java:96) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueRef(CompoundExpression.java:75) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:96) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.Ternary.getValueInternal(Ternary.java:59) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:114) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:338) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:265) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    ... 38 common frames omitted

2024-09-01T19:48:25.691+08:00 ERROR 7 --- [oundedElastic-1] o.t.spring6.SpringWebFluxTemplateEngine  : [THYMELEAF][boundedElastic-1] Exception processing template "error/500": Exception evaluating SpringEL expression: "#strings.isEmpty(post.spec.cover) ? postRandomImg+post.spec.title : thumbnail.gen(post.spec.cover, "m")" (template: "error/500" - line 41, col 33)

org.thymeleaf.exceptions.TemplateProcessingException: Exception evaluating SpringEL expression: "#strings.isEmpty(post.spec.cover) ? postRandomImg+post.spec.title : thumbnail.gen(post.spec.cover, "m")" (template: "error/500" - line 41, col 33)
    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/:2.18.0]
    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.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.handleStandaloneElement(ProcessorTemplateHandler.java:918) ~[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.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.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:661) ~[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$0(SpringWebFluxTemplateEngine.java:198) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at reactor.core.publisher.MonoCreate.subscribe(MonoCreate.java:61) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.publisher.Mono.subscribe(Mono.java:4568) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.publisher.MonoSubscribeOn$SubscribeOnSubscriber.run(MonoSubscribeOn.java:126) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:84) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:37) ~[reactor-core-3.6.7.jar:3.6.7]
    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: EL1011E: Method call: Attempted to call method gen(java.lang.String,java.lang.String) on null context object
    at org.springframework.expression.spel.ast.MethodReference.throwIfNotNullSafe(MethodReference.java:167) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.MethodReference.getValueRef(MethodReference.java:96) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueRef(CompoundExpression.java:75) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:96) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.Ternary.getValueInternal(Ternary.java:59) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:114) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:338) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:265) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    ... 38 common frames omitted

2024-09-01T19:48:25.694+08:00 ERROR 7 --- [oundedElastic-1] o.s.w.s.adapter.HttpWebHandlerAdapter    : [99af14ab-6] 500 Server Error for HTTP GET "/"

org.thymeleaf.exceptions.TemplateProcessingException: Exception evaluating SpringEL expression: "#strings.isEmpty(post.spec.cover) ? postRandomImg+post.spec.title : thumbnail.gen(post.spec.cover, "m")" (template: "error/500" - line 41, col 33)
    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/:2.18.0]
    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.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.handleStandaloneElement(ProcessorTemplateHandler.java:918) ~[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.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.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:661) ~[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$0(SpringWebFluxTemplateEngine.java:198) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at reactor.core.publisher.MonoCreate.subscribe(MonoCreate.java:61) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.publisher.Mono.subscribe(Mono.java:4568) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.publisher.MonoSubscribeOn$SubscribeOnSubscriber.run(MonoSubscribeOn.java:126) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:84) ~[reactor-core-3.6.7.jar:3.6.7]
    at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:37) ~[reactor-core-3.6.7.jar:3.6.7]
    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: EL1011E: Method call: Attempted to call method gen(java.lang.String,java.lang.String) on null context object
    at org.springframework.expression.spel.ast.MethodReference.throwIfNotNullSafe(MethodReference.java:167) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.MethodReference.getValueRef(MethodReference.java:96) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueRef(CompoundExpression.java:75) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:96) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.Ternary.getValueInternal(Ternary.java:59) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:114) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:338) ~[spring-expression-6.1.10.jar:6.1.10]
    at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:265) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    ... 38 common frames omitted

附加信息

No response

Steven-WZH commented 2 weeks ago

已确定为主题不支持当前版本，抱歉打扰