springfox.documentation.spi.service.contexts.ParameterExpansionContext.findAnnotation(Ljava/lang/Cla-优快云博客

这篇博客讨论了一个在使用Springfox时遇到的Java运行时异常`NoSuchMethodError`，该错误通常发生在尝试调用不存在的方法时。问题出现在`springfox.documentation.spi.service.contexts.ParameterExpansionContext.findAnnotation`方法上。解决方案指出，该问题可能是由于控制器方法缺少@RequestBody注解导致的。修复这个问题需要确保所有需要解析请求体的控制器方法都正确地使用了@RequestBody注解。

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有趣的问题

aused by: java.lang.NoSuchMethodError: springfox.documentation.spi.service.contexts.ParameterExpansionContext.findAnnotation(Ljava/lang/Class;)Lcom/google/common/base/Optional;
at springfox.bean.validators.plugins.parameter.ExpandedParameterMinMaxAnnotationPlugin.apply(ExpandedParameterMinMaxAnnotationPlugin.java:51)
at springfox.documentation.spring.web.plugins.DocumentationPluginsManager.expandParameter(DocumentationPluginsManager.java:113)
at springfox.documentation.spring.web.readers.parameter.ModelAttributeParameterExpander.simpleFields(ModelAttributeParameterExpander.java:155)
at springfox.documentation.spring.web.readers.parameter.ModelAttributeParameterExpander.expand(ModelAttributeParameterExpander.java:118)
at springfox.documentation.spring.web.readers.parameter.ModelAttributeParameterExpander.expand(ModelAttributeParameterExpander.java:107)
at springfox.documentation.spring.web.readers.operation.OperationParameterReader.readParameters(OperationParameterReader.java:92)
at springfox.documentation.spring.web.readers.operation.OperationParameterReader.apply(OperationParameterReader.java:68)
at springfox.documentation.spring.web.plugins.DocumentationPluginsManager.operation(DocumentationPluginsManager.java:120)
at springfox.documentation.spring.web.readers.operation.ApiOperationReader.read(ApiOperationReader.java:73)
at springfox.documentation.spring.web.scanners.CachingOperationReader$1.load(CachingOperationReader.java:50)
at springfox.documentation.spring.web.scanners.CachingOperationReader $1 . l o a d (C a c h i n g O p e r a t i o n R e a d e r . j a v a : 48) a t c o m . g o o g l e . c o m m o n . c a c h e . L o c a l C a c h e$ LoadingValueReference.loadFuture(LocalCache.java:3527)
at com.google.common.cache.LocalCache $S e g m e n t . l o a d S y n c (L o c a l C a c h e . j a v a : 2319) a t c o m . g o o g l e . c o m m o n . c a c h e . L o c a l C a c h e$ Segment.lockedGetOrLoad(LocalCache.java:2282)
at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2197)
… 25 common frames omitted