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解決swagger主頁(yè)訪問(wèn),返回報(bào)錯(cuò)500問(wèn)題

更新時(shí)間：2024年09月30日 12:37:57 作者：郝猿

在使用Swagger時(shí)遇到500錯(cuò)誤,通過(guò)仔細(xì)的debug發(fā)現(xiàn)問(wèn)題源于注解使用不當(dāng),具體表現(xiàn)為一個(gè)接口的入?yún)⒈诲e(cuò)誤地注解了三個(gè)參數(shù),而實(shí)際上只有兩個(gè),這導(dǎo)致了Swagger在解析時(shí)拋出了NullPointerException異常,解決方法是刪除錯(cuò)誤的第三個(gè)參數(shù)的注解

swagger主頁(yè)訪問(wèn),返回報(bào)錯(cuò)500

報(bào)錯(cuò)日志

下面展示一些 內(nèi)聯(lián)代碼片。

java.lang.NullPointerException: null
   at springfox.documentation.swagger2.mappers.RequestParameterMapper.bodyParameter(RequestParameterMapper.java:264)
   at springfox.documentation.swagger2.mappers.RequestParameterMapper.mapParameter(RequestParameterMapper.java:149)
   at springfox.documentation.swagger2.mappers.ServiceModelToSwagger2Mapper.beforeMappingOperations(ServiceModelToSwagger2Mapper.java:125)
   at springfox.documentation.swagger2.mappers.ServiceModelToSwagger2MapperImpl.mapOperation(ServiceModelToSwagger2MapperImpl.java:109)
   at springfox.documentation.swagger2.mappers.ServiceModelToSwagger2Mapper.mapOperations(ServiceModelToSwagger2Mapper.java:270)
   at springfox.documentation.swagger2.mappers.ServiceModelToSwagger2Mapper.lambda$mapApiListings$2(ServiceModelToSwagger2Mapper.java:258)
   at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
   at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
   at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580)
   at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:270)
   at java.util.TreeMap$ValueSpliterator.forEachRemaining(TreeMap.java:2897)
   at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
   at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
   at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
   at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
   at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
   at java.util.stream.ReferencePipeline.forEachOrdered(ReferencePipeline.java:423)
   at springfox.documentation.swagger2.mappers.ServiceModelToSwagger2Mapper.mapApiListings(ServiceModelToSwagger2Mapper.java:253)
   at springfox.documentation.swagger2.mappers.ServiceModelToSwagger2MapperImpl.mapDocumentation(ServiceModelToSwagger2MapperImpl.java:48)
   at springfox.documentation.swagger2.web.Swagger2ControllerWebMvc.getDocumentation(Swagger2ControllerWebMvc.j