如何在多个 Json Schema 文件中使用 $id 和 $ref
[英]How to use $id and $ref in multiple Json Schema files
问题描述
有很多例子说明如何在同一个 Json 模式文件中使用 $ id 和 $ ref。 但是我还没有找到任何关于如何将它与多个模式文件一起使用的示例。 我有一个 Spring 引导项目和 mongoDB。 我在路径中有我的架构文件：
/resources/schemas/
root_schema.json
centros_schema.json
root_schema.json 是一组建筑物（中心），而 centros_schema.json 是我定义建筑物（中心）的地方。
我已按照此处的文档进行操作。 但我无法使其工作并将centros_shema.json 中的$id 与root_schema 中的$ref 链接起来。 看看是否有人可以告诉我我该怎么做。
这是我的 root_schema.json：
{
"$schema": "http://json-schema.org/draft-07/schema#",
"type": "object",
"properties": {
"centros": {
"type": "array",
"items": [
{
"$ref": "centros_schema.json"
}
]
}
},
"required": [
"centros"
]
}
这是我的 centros_schema.json：
{
"$schema": "http://json-schema.org/draft-07/schema#",
"$id": "centros_schema.json",
"type": "object",
"properties": {
"uid": {
"type": "string"
},
"nombre": {
"type": "string"
},
"tipo": {
"type": "string"
},
"direccion": {
"type": "object",
"properties": {
"calle": {
"type": "string"
},
"codigoPostal": {
"type": "string"
},
"municipio": {
"type": "string"
},
"provincia": {
"type": "string"
},
"ubicacion": {
"type": "object",
"properties": {
"latitud": {
"type": "string"
},
"longitud": {
"type": "string"
}
},
"required": [
"latitud",
"longitud"
]
}
},
"required": [
"calle",
"codigoPostal",
"municipio",
"provincia",
"ubicacion"
]
},
"horario": {
"type": "object",
"properties": {
"apertura": {
"type": "string"
},
"cierre": {
"type": "string"
}
},
"required": [
"apertura",
"cierre"
]
},
"dispositivos": {
"type": "array",
"items": [
{
"type": "object",
"properties": {
"uid": {
"type": "string"
},
"descripcion": {
"type": "string"
},
"tipo": {
"type": "string"
},
"adquisicion": {
"type": "string"
},
"sensores": {
"type": "array",
"items": [
{
"type": "object",
"properties": {
"variable": {
"type": "string"
},
"unidad": {
"type": "string"
}
},
"required": [
"variable",
"unidad"
]
},
{
"type": "object",
"properties": {
"variable": {
"type": "string"
},
"unidad": {
"type": "string"
}
},
"required": [
"variable",
"unidad"
]
}
]
}
},
"required": [
"uid",
"descripcion",
"tipo",
"adquisicion",
"sensores"
]
},
{
"type": "object",
"properties": {
"uid": {
"type": "string"
},
"descripcion": {
"type": "string"
},
"tipo": {
"type": "string"
},
"adquisicion": {
"type": "string"
},
"sensores": {
"type": "array",
"items": [
{
"type": "object",
"properties": {
"variable": {
"type": "string"
},
"unidad": {
"type": "string"
}
},
"required": [
"variable",
"unidad"
]
}
]
}
},
"required": [
"uid",
"descripcion",
"tipo",
"adquisicion",
"sensores"
]
}
]
}
},
"required": [
"uid",
"nombre",
"tipo",
"direccion",
"horario",
"dispositivos"
]
}
更新
这是它向我抛出的错误。 我使用哪些路线并不重要。
2021-05-24 21:34:54.140[0;39m [31mERROR[0;39m [35m4304[0;39m [2m---[0;39m [2m[nio-9000-exec-2][0;39m [36mo.a.c.c.C.[.[.[/].[dispatcherServlet] [0;39m [2m:[0;39m Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is com.networknt.schema.JsonSchemaException: java.io.FileNotFoundException: \centros_schema.json (El sistema no puede encontrar el archivo especificado)] with root cause
java.io.FileNotFoundException: \centros_schema.json (El sistema no puede encontrar el archivo especificado)
at java.io.FileInputStream.open0(Native Method) ~[na:1.8.0_291]
at java.io.FileInputStream.open(Unknown Source) ~[na:1.8.0_291]
at java.io.FileInputStream.<init>(Unknown Source) ~[na:1.8.0_291]
at java.io.FileInputStream.<init>(Unknown Source) ~[na:1.8.0_291]
at sun.net.www.protocol.file.FileURLConnection.connect(Unknown Source) ~[na:1.8.0_291]
at sun.net.www.protocol.file.FileURLConnection.getInputStream(Unknown Source) ~[na:1.8.0_291]
at com.networknt.schema.uri.URLFetcher.openConnectionCheckRedirects(URLFetcher.java:57) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.uri.URLFetcher.fetch(URLFetcher.java:43) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.uri.URISchemeFetcher.fetch(URISchemeFetcher.java:50) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.JsonSchemaFactory.getSchema(JsonSchemaFactory.java:337) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.RefValidator.getRefSchema(RefValidator.java:83) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.RefValidator.<init>(RefValidator.java:46) ~[json-schema-validator-1.0.52.jar:na]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_291]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[na:1.8.0_291]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[na:1.8.0_291]
at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[na:1.8.0_291]
at com.networknt.schema.ValidatorTypeCode.newValidator(ValidatorTypeCode.java:131) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.JsonMetaSchema.newValidator(JsonMetaSchema.java:351) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.ValidationContext.newValidator(ValidationContext.java:57) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.JsonSchema.read(JsonSchema.java:217) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.JsonSchema.getValidators(JsonSchema.java:406) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.JsonSchema.validate(JsonSchema.java:239) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.ItemsValidator.doValidate(ItemsValidator.java:99) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.ItemsValidator.validate(ItemsValidator.java:80) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.JsonSchema.validate(JsonSchema.java:241) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.PropertiesValidator.validate(PropertiesValidator.java:70) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.JsonSchema.validate(JsonSchema.java:241) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.BaseJsonValidator.validate(BaseJsonValidator.java:103) ~[json-schema-validator-1.0.52.jar:na]
at com.envira.gijonin.centros.utils.Utils.validateJsonUsingSchema(Utils.java:31) ~[classes/:na]
at com.envira.gijonin.centros.centros.CentrosController.postCentros(CentrosController.java:83) ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_291]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_291]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_291]
at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_291]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:197) ~[spring-web-5.3.6.jar:5.3.6]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:141) ~[spring-web-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:894) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1060) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:962) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) ~[spring-webmvc-5.3.6.jar:5.3.6]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:652) ~[tomcat-embed-core-9.0.45.jar:4.0.FR]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.6.jar:5.3.6]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) ~[tomcat-embed-core-9.0.45.jar:4.0.FR]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.45.jar:9.0.45]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.6.jar:5.3.6]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.6.jar:5.3.6]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.6.jar:5.3.6]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.6.jar:5.3.6]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.6.jar:5.3.6]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.6.jar:5.3.6]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1707) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.45.jar:9.0.45]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.8.0_291]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.8.0_291]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.45.jar:9.0.45]
at java.lang.Thread.run(Unknown Source) [na:1.8.0_291]
更新 2
当我使用"$ref": "centros_schema.json"时，它似乎找到了该文件，但现在它向我抛出了以下错误：
[2m2021-05-24 21:45:14.175[0;39m [31mERROR[0;39m [35m4304[0;39m [2m---[0;39m [2m[nio-9000-exec-8][0;39m [36mo.a.c.c.C.[.[.[/].[dispatcherServlet] [0;39m [2m:[0;39m Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is com.networknt.schema.JsonSchemaException: #/properties/centros/items/$ref: Reference centros_schema.json cannot be resolved] with root cause
com.networknt.schema.JsonSchemaException: #/properties/centros/items/$ref: Reference centros_schema.json cannot be resolved
at com.networknt.schema.RefValidator.<init>(RefValidator.java:50) ~[json-schema-validator-1.0.52.jar:na]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_291]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[na:1.8.0_291]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[na:1.8.0_291]
at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[na:1.8.0_291]
at com.networknt.schema.ValidatorTypeCode.newValidator(ValidatorTypeCode.java:131) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.JsonMetaSchema.newValidator(JsonMetaSchema.java:351) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.ValidationContext.newValidator(ValidationContext.java:57) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.JsonSchema.read(JsonSchema.java:217) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.JsonSchema.getValidators(JsonSchema.java:406) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.JsonSchema.validate(JsonSchema.java:239) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.ItemsValidator.doValidate(ItemsValidator.java:99) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.ItemsValidator.validate(ItemsValidator.java:80) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.JsonSchema.validate(JsonSchema.java:241) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.PropertiesValidator.validate(PropertiesValidator.java:70) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.JsonSchema.validate(JsonSchema.java:241) ~[json-schema-validator-1.0.52.jar:na]
at com.networknt.schema.BaseJsonValidator.validate(BaseJsonValidator.java:103) ~[json-schema-validator-1.0.52.jar:na]
at com.envira.gijonin.centros.utils.Utils.validateJsonUsingSchema(Utils.java:31) ~[classes/:na]
at com.envira.gijonin.centros.centros.CentrosController.postCentros(CentrosController.java:83) ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_291]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_291]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_291]
at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_291]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:197) ~[spring-web-5.3.6.jar:5.3.6]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:141) ~[spring-web-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:894) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1060) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:962) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.6.jar:5.3.6]
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) ~[spring-webmvc-5.3.6.jar:5.3.6]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:652) ~[tomcat-embed-core-9.0.45.jar:4.0.FR]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.6.jar:5.3.6]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) ~[tomcat-embed-core-9.0.45.jar:4.0.FR]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.45.jar:9.0.45]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.6.jar:5.3.6]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.6.jar:5.3.6]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.6.jar:5.3.6]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.6.jar:5.3.6]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.6.jar:5.3.6]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.6.jar:5.3.6]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) ~[tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1707) [tomcat-embed-core-9.0.45.jar:9.0.45]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.45.jar:9.0.45]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.8.0_291]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.8.0_291]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.45.jar:9.0.45]
at java.lang.Thread.run(Unknown Source) [na:1.8.0_291]
3 个解决方案
解决方案1
0 2021-05-24 15:03:11
JSON Schema $ref解析使用 URI 解析过程。 请注意，这些不是 URL，并且与任何物理文件的位置无关，也不是网络可寻址的。 $id只是一个标识符。
URI 不是网络定位器，只是一个标识符。 如果模式是网络可寻址的，则不需要从该地址下载模式
URL，实现不应该假设他们应该执行
遇到网络可寻址 URI 时的网络操作。
https://datatracker.ietf.org/doc/html/draft-handrews-json-schema-01#section-8.3
实际上，这意味着您必须将模式加载到实现中，因此它知道哪些标识符与哪些模式资源相关。
某些实现可能允许您从文件夹加载 JSON 文件，然后使用它们的$id值确定 URI 分辨率，但这些功能是特定于实现的。
您必须查看您正在使用的实现的文档，以了解如何加载其他模式。
此外， $ref中使用的 URI 是根据当前作用域架构资源的基本 URI 解析的。 您应该为您的主要模式定义一个$id以提供基本 URI。 把它想象成浏览器中的锚链接。 如果无法从架构资源建立基本 URI，则由实现确定，根据 URI 解析协议。
学习时最简单、最直接的引用方法是始终使用完整的 URI 进行引用。
如果你在一个模式中的 $ $id是"$id": "http://ga4gh.org/schemas/discovery/search/definitions" ，那么你在另一个文件中的$ref可能看起来像"$ref": "http://ga4gh.org/schemas/discovery/search/definitions#definitions/semver" 。
解决方案2
0 2021-05-25 19:17:26
您在问题中链接到的文档目前正在重写，我认为它将回答您关于该主题的所有问题。 现在，这里概述了识别和引用模式的工作原理。
架构由非相对 URI（ https://example.com/path/to/schema或file:///path/to/schema ）标识。 引用 ( $ref ) 可能是相对的，并针对文档的标识符进行解析以获取标识模式的非相对 URI。
如果您的架构的标识符是file:///path/to/schemas/root_schema.json并且架构引用了centros_schema.json 。 该参考解析为file:///path/to/schemas/centros_schema.json 。
但是，并非所有模式都有标识符。 如果您的架构没有标识符并且您的架构中有相对引用，则该引用无法解析为非相对 URI 以正确识别架构。 centros_schema.json无法解决 因为 不是非相对 URI。 这就是你得到的“参考无法解决”错误告诉你的。
一种解决方案是使您的$ref成为非相对 URI，因此它不需要标识符来完全解析。
{
"$schema": "http://json-schema.org/draft-07/schema#",
"type": "object",
"properties": {
"centros": {
"type": "array",
"items": [
{
"$ref": "file:///path/to.schemas/centros_schema.json"
}
]
}
},
"required": [
"centros"
]
}
{
"$schema": "http://json-schema.org/draft-07/schema#",
... no $id needed for centros_schema.json
}
如果您使用的 JSON Schema 实现知道如何从文件系统获取file:// URI，这将起作用。 这似乎是这种情况，所以我将在这个假设下继续。
centros_schema.json模式不需要$id ，因为用于在root_schema.json中引用它的非相对 URI 成为模式的标识符。
解决问题的另一种方法是为root_schema.json分配一个标识符。
{
"$schema": "http://json-schema.org/draft-07/schema#",
"$id": "file:///path/to/schema/root_schema.json",
"type": "object",
"properties": {
"centros": {
"type": "array",
"items": [
{
"$ref": "centros_schema.json"
}
]
}
},
"required": [
"centros"
]
}
{
"$schema": "http://json-schema.org/draft-07/schema#",
... no $id needed for centros_schema.json
}
现在$ref可以是相对的，并且仍然解析为标识centros_schema.json模式的非相对 URI。
当然，这两种解决方案都要求您将文件系统路径硬编码到架构中，这可能会因多种原因造成问题。 理想情况下，JSON Schema 实现将首先使用用于获取root_schema.json的文件系统路径自动分配一个标识符。 然后您可以使用文件系统相对路径，而不必在任何地方分配$id 。
如果 JSON 架构实现不支持这一点，那么您可以使用$id将https:// URI 分配给每个架构，并使用这些 URI 识别/引用它们。
{
"$schema": "http://json-schema.org/draft-07/schema#",
"$id": "https://example.com/path/to/schemas/root_schema.json",
"type": "object",
"properties": {
"centros": {
"type": "array",
"items": [
{
"$ref": "centros_schema.json"
}
]
}
},
"required": [
"centros"
]
}
{
"$schema": "http://json-schema.org/draft-07/schema#",
"$id": "https://example.com/path/to/schemas/centros_schema.json",
}
使用此方法时，您需要在尝试使用您的模式验证实例之前，将两个模式预加载到 JSON 模式实现的内部模式数据库中。 这是如何完成的是特定于实现的，因此您必须检查您正在使用的 JSON 架构实现的文档。
解决方案3
0 2021-05-26 10:36:05
我刚刚解决了。 有一件事我不明白。 我认为 Json Schema 的文档以及如何使用它是唯一需要记住的事情，因为它是一个“通用”跨平台系统。 但事实证明，并非所有图书馆都一样。 我正在使用这个依赖：
<dependency>
<groupId>com.networknt</groupId>
<artifactId>json-schema-validator</artifactId>
<version>1.0.52</version>
</dependency>
它需要在 uri 的开头添加单词“classpath”或“resource”。 所以对我有用的是删除 $id 并使用 $ref 如下：
"$ref": "classpath:/schemas/centros_schema.json"
非常感谢您的帮助。 它非常有用。
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