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长沙seo网站,安卓android下载安装,韩国做hh网站,莱芜二手房出现问题 SpringBoot项目中使用Swagger作为文档工具#xff0c;每次在使用它的文档时#xff0c;IDE工具的控制台都会打印出如下异常#xff0c;会让我们感觉很不爽。 68011 [http-nio-8000-exec-6] WARN i.s.m.p.AbstractSerializableParameter - Illegal DefaultValue …出现问题 SpringBoot项目中使用Swagger作为文档工具每次在使用它的文档时IDE工具的控制台都会打印出如下异常会让我们感觉很不爽。 68011 [http-nio-8000-exec-6] WARN i.s.m.p.AbstractSerializableParameter - Illegal DefaultValue null for parameter type integer java.lang.NumberFormatException: For input string: at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)at java.lang.Long.parseLong(Long.java:601)at java.lang.Long.valueOf(Long.java:803)at io.swagger.models.parameters.AbstractSerializableParameter.getExample(AbstractSerializableParameter.java:412)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:688)at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:119)at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serialize(IndexedListSerializer.java:79)at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serialize(IndexedListSerializer.java:18)at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:727)at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:727)at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:722)at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:643)at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:33)at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:727)at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider._serialize(DefaultSerializerProvider.java:480)at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:319)at com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:3905)at com.fasterxml.jackson.databind.ObjectMapper.writeValueAsString(ObjectMapper.java:3219)at springfox.documentation.spring.web.json.JsonSerializer.toJson(JsonSerializer.java:38)at springfox.documentation.swagger2.web.Swagger2Controller.getDocumentation(Swagger2Controller.java:105)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)at org.apache.coyote.AbstractProtocol\(ConnectionHandler.process(AbstractProtocol.java:834)at org.apache.tomcat.util.net.NioEndpoint\)SocketProcessor.doRun(NioEndpoint.java:1415)at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)at java.util.concurrent.ThreadPoolExecutor\(Worker.run(ThreadPoolExecutor.java:617)at org.apache.tomcat.util.threads.TaskThread\)WrappingRunnable.run(TaskThread.java:61)at java.lang.Thread.run(Thread.java:748) 问题原因 这是由于实体类使用ApiModelProperty时example属性没有赋值导致的在AbstractSerializableParameter这个类的getExample方法中会将数值属性的example的转换数值类返回example的默认值是因此当example没有赋值时会出现上面的异常。getExample方法如下 JsonProperty(x-example)public Object getExample() {if (example null||example.isEmpty()) {return null;}try {if (BaseIntegerProperty.TYPE.equals(type)) {return Long.valueOf(example);} else if (DecimalProperty.TYPE.equals(type)) {return Double.valueOf(example);} else if (BooleanProperty.TYPE.equals(type)) {if (true.equalsIgnoreCase(example) || false.equalsIgnoreCase(defaultValue)) {return Boolean.valueOf(example);}}} catch (NumberFormatException e) {LOGGER.warn(String.format(Illegal DefaultValue %s for parameter type %s, defaultValue, type), e);}return example;} 解决方案 只要将每一个数值类型上ApiModelProperty的example都赋值数字字符串即可。 但是这个解决方法比较麻烦若将源码中的if (example null)改为if (example null || example.isEmpty())就可以解决问题。我下载并修改了源码将其打包后覆盖了maven仓库的jar包这样项目代码不需要任何修改就可以解决问题。 同时我又查看了v1.5.21的代码 源码的修改是一样的。其实也可以排除1.5.20版本的swagger-models.jar引入1.5.21版本的swagger-models.jar。但是考虑到可能由于代码改动较大引发其他问题因此个人感觉还是在1.5.20版本代码微调最好。 最后把修复过的jar包下载链接放在这里下载后替换本地仓库对应的文件然后项目重新导入jar包即可。 例如我的电脑通过命令行进入如下目录 cd D:\developer_tools\RepMaven\io\swagger\swagger-models\1.5.20 然后将两个文件复制进去覆盖原文件。 jar包下载地址https://pan.baidu.com/s/1UhOAD2IgkORZ3OBGwmu70Q  提取码8hdw 出自https://blog.csdn.net/weixin_38229356/article/details/83353347