sxcooler opened a new issue #2629:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2629
背景是想要获得一次请求里的所有header参数
于是尝试使用@RequestHeader Map<String, String> headers
或者@RequestHeader HttpHeaders headers
(HttpHeaders本身就是MultiValueMap和Serializable的实现)
但是得到如标题的报错：not allow complex type for header parameter，部分日志如下
```
2021-10-30 16:00:28,652 |-ERROR[restartedMain] LINE: 771 TraceId:-
ServiceName:- in org.springframework.boot.SpringApplication : Application
startup failed
java.lang.IllegalStateException: ServiceComb init failed.
at org.apache.servicecomb.core.SCBEngine.init(SCBEngine.java:217)
at
org.apache.servicecomb.core.CseApplicationListener.onApplicationEvent(CseApplicationListener.java:81)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
at
org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:393)
at
org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:347)
at
org.springframework.boot.context.event.EventPublishingRunListener.finished(EventPublishingRunListener.java:101)
at
org.springframework.boot.SpringApplicationRunListeners.callFinishedListener(SpringApplicationRunListeners.java:79)
at
org.springframework.boot.SpringApplicationRunListeners.finished(SpringApplicationRunListeners.java:72)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:305)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1118)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1107)
at com.xxx.xxx.business.Application.main(Application.java:26)
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.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
Caused by: java.lang.Error: generate operation swagger failed,
com.xxx.xxx.business.api.OrderApiController:confirmOrder
at
org.apache.servicecomb.swagger.generator.core.SwaggerGenerator.scanMethods(SwaggerGenerator.java:280)
at
org.apache.servicecomb.swagger.generator.core.SwaggerGenerator.generate(SwaggerGenerator.java:140)
at
org.apache.servicecomb.core.definition.schema.AbstractSchemaFactory.generateSwagger(AbstractSchemaFactory.java:102)
at
org.apache.servicecomb.core.definition.schema.ProducerSchemaFactory.createSchema(ProducerSchemaFactory.java:115)
at
org.apache.servicecomb.core.definition.schema.ProducerSchemaFactory.createSchema(ProducerSchemaFactory.java:54)
at
org.apache.servicecomb.core.definition.schema.AbstractSchemaFactory.getOrCreateSchema(AbstractSchemaFactory.java:58)
at
org.apache.servicecomb.core.definition.schema.ProducerSchemaFactory.getOrCreateProducerSchema(ProducerSchemaFactory.java:76)
at
org.apache.servicecomb.provider.rest.common.RestProducerProvider.init(RestProducerProvider.java:45)
at
org.apache.servicecomb.core.provider.producer.ProducerProviderManager.init(ProducerProviderManager.java:54)
at org.apache.servicecomb.core.SCBEngine.doInit(SCBEngine.java:235)
at org.apache.servicecomb.core.SCBEngine.init(SCBEngine.java:206)
... 18 common frames omitted
Caused by: java.lang.Error: not allow complex type for header parameter,
method=com.xxx.xxx.business.api.OrderApiController:confirmOrder, paramIdx=1,
type=org.springframework.http.HttpHeaders
at
org.apache.servicecomb.swagger.generator.core.utils.ParamUtils.setParameterType(ParamUtils.java:138)
at
org.apache.servicecomb.swagger.generator.core.processor.parameter.AbstractParameterProcessor.setParameterType(AbstractParameterProcessor.java:47)
at
org.apache.servicecomb.swagger.generator.core.processor.parameter.AbstractParameterProcessor.fillParameter(AbstractParameterProcessor.java:41)
at
org.apache.servicecomb.swagger.generator.springmvc.processor.annotation.RequestHeaderAnnotationProcessor.fillParameter(RequestHeaderAnnotationProcessor.java:46)
at
org.apache.servicecomb.swagger.generator.springmvc.processor.annotation.RequestHeaderAnnotationProcessor.fillParameter(RequestHeaderAnnotationProcessor.java:28)
at
org.apache.servicecomb.swagger.generator.core.processor.parameter.AbstractParameterProcessor.process(AbstractParameterProcessor.java:33)
at
org.apache.servicecomb.swagger.generator.core.OperationGenerator.processByParameterAnnotation(OperationGenerator.java:324)
at
org.apache.servicecomb.swagger.generator.core.OperationGenerator.scanMethodParameters(OperationGenerator.java:289)
at
org.apache.servicecomb.swagger.generator.core.OperationGenerator.generate(OperationGenerator.java:181)
at
org.apache.servicecomb.swagger.generator.core.SwaggerGenerator.scanMethods(SwaggerGenerator.java:276)
... 28 common frames omitted
```
我搜到一个类似issue： https://github.com/apache/servicecomb-java-chassis/issues/1737
但是它的解决方法对我不适用。
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