使用 Spring Boot Framework、RestTemplate 和 RestController 时出现此错误。此错误来自 InvalidDefinitionException。我不是在寻找如何解决我的问题的答案，因为我真的尝试了一切。我的问题是关于如何调试问题，我应该在哪个类上设置断点，以便查看 DTO 中的哪个字段正在产生问题或究竟是什么产生了问题。从以上信息中我无法学到很多东西。在下面您可以看到日志，甚至包括 HttpRequest 和 Response。
org.springframework.http.converter.support.AllEncompassingFormHttpMessageConverter@119b8d03
org.springframework.http.converter.json.MappingJackson2HttpMessageConverter@695c39af
09:16:10.482 [Thread-4] DEBUG org.springframework.web.client.RestTemplate - HTTP GET http://127.0.0.1:1234/employee_plus_all_data
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.fasterxml.jackson.databind.util.ClassUtil (file:/home/koala/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.13.1/jackson-databind-2.13.1.jar) to field javafx.scene.Node.properties
WARNING: Please consider reporting this to the maintainers of com.fasterxml.jackson.databind.util.ClassUtil
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
09:16:10.606 [Thread-4] DEBUG org.springframework.http.converter.json.MappingJackson2HttpMessageConverter - Failed to evaluate Jackson deserialization for type [[simple type, class com.SPCBackend.SPCFrontendV5.dto.EmployeeModuleDto]]
com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot find a deserializer for non-concrete Map type [map type; class javafx.collections.ObservableMap, [simple type, class java.lang.Object] -> [simple type, class java.lang.Object]]
at com.fasterxml.jackson.databind.exc.InvalidDefinitionException.from(InvalidDefinitionException.java:67)
at com.fasterxml.jackson.databind.DeserializationContext.reportBadDefinition(DeserializationContext.java:1904)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:268)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findNonContextualValueDeserializer(DeserializationContext.java:632)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:539)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findNonContextualValueDeserializer(DeserializationContext.java:632)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:539)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findContextualValueDeserializer(DeserializationContext.java:609)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.createContextual(CollectionDeserializer.java:188)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.createContextual(CollectionDeserializer.java:28)
at com.fasterxml.jackson.databind.DeserializationContext.handlePrimaryContextualization(DeserializationContext.java:825)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:550)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findNonContextualValueDeserializer(DeserializationContext.java:632)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:539)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findContextualValueDeserializer(DeserializationContext.java:609)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.createContextual(CollectionDeserializer.java:188)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.createContextual(CollectionDeserializer.java:28)
at com.fasterxml.jackson.databind.DeserializationContext.handlePrimaryContextualization(DeserializationContext.java:825)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:550)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.hasValueDeserializerFor(DeserializerCache.java:191)
at com.fasterxml.jackson.databind.DeserializationContext.hasValueDeserializerFor(DeserializationContext.java:587)
at com.fasterxml.jackson.databind.ObjectMapper.canDeserialize(ObjectMapper.java:3467)
at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.canRead(AbstractJackson2HttpMessageConverter.java:251)
at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.canRead(AbstractJackson2HttpMessageConverter.java:237)
at org.springframework.web.client.RestTemplate$AcceptHeaderRequestCallback.canReadResponse(RestTemplate.java:903)
at org.springframework.web.client.RestTemplate$AcceptHeaderRequestCallback.lambda$doWithRequest$0(RestTemplate.java:888)
at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176)
at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
at org.springframework.web.client.RestTemplate$AcceptHeaderRequestCallback.doWithRequest(RestTemplate.java:892)
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:774)
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:711)
at org.springframework.web.client.RestTemplate.getForEntity(RestTemplate.java:361)
at com.SPCBackend.SPCFrontendV5.rest.EmployeeRestClient.getEmployeeModuleData(EmployeeRestClient.java:220)
at com.SPCBackend.SPCFrontendV5.controller.EmployeeController.lambda$loadEmployeeData$0(EmployeeController.java:153)
...
09:16:10.796 [Thread-4] DEBUG org.apache.http.wire - http-outgoing-1 << "{"employeeNameDto":{"_id":"61f185dba20682e7d49ccf10","firstName":"","lastName":"Tuszy[0xc5][0x84]ska"},"employeeNameDtoList":[{"_id":"61f185dba20682e7d49ccf10","firstName":"","lastName":"Tuszy[0xc5][0x84]ska"},{"_id":"61f185dba20682e7d49ccf60","firstName":"","lastName":""},{"_id":"61f185dba20682e7d49ccfd6","firstName":"","lastName":"Jurkiewicz"}],"employeeOrderDtoList":[{"_id":null,"agreementNumberChoiceBox":null,"chooseTransportDepartureComboBox":null,"chooseTransportReturnComboBox":null,"clientComboBox":null,"currencyComboBox":null,"dateCreateDatePicker":null,"dateSignedDatePicker":null,"orderDateFrom":null,"orderDateTill":null,"orderNumberChoiceBox":null,"orderTransportDeparture1DatePicker":null,"orderTransportDeparture1TextField":null,"orderTransportDeparture2TextField":null,"orderTransportDepartureOrganisedCheckBox":false,"orderTransportDeparturePaidCheckBox":false,"orderTransportDeparturePayerComboBox":null,"orderTransportDeparturePlanned1DatePicker":null,"orderTransportDeparturePlanned1TextField":null,"orderTransportDeparturePlanned2DatePicker":null,"orderTransportDeparturePlanned2TextField":null,"orderTransportReturn1DatePicker":null,"orderTransportReturn1TextField":null,"orderTransportReturn2DatePicker":null,"orderTransportReturn2TextField":null,"orderTransportReturnOrganisedCheckBox":false,"orderTransportReturnPaidCheckBox":false,"orderTransportReturnPayerComboBox":null,"orderTransportReturnPlanned1DatePicker":null,"orderTransportReturnPlanned1TextField":null,"orderTransportReturnPlanned2DatePicker":null,"orderTransportReturnPlanned2TextField":null,"savePathTextField":null,"wageTextField":null}],"employeeCall":[{"callDate":"2022-01-12","operatorCall":{"login":"Micha[0xc5][0x82]","password":null,"_id":"61f187d764f773652b226f67"},"clientCall":{"_id":"61f1883b8db78e475619c57d","firstName":"Gisela","lastName":"M[0xc3][0xbc]ller","address":null,"phoneNumber":null,"email":null},"recallBoolean":false,"recallTopic":"","callTopic":"5454","workTill":"","freeFrom":"","callInformation":"","_id":"61f188749bc36e277b952ccd","recallNot":false}],"employeeDocumentDtoList":[{"_id":null,"documentSentBoolean":false,"typeDocument":null,"numberDocument":null,"clientDocument":null,"addresseeDocument":null,"addresseeDocumentString":null,"senderAddtionalnformation":null,"employeeReceivedBoolean":false,"addresseeReceivedboolean2":false,"employeeAdditionalnformation":null,"addresseeAdditionalnformation":null,"addresseeForwardBoolean":false,"addresseeReceived":null,"addresseeReceivedDatePicker":null,"operatorCreateDocumentString":null,"senderSentDateDocument":null,"senderSentDateDocumentDatePicker":null,"senderOperatorDocument":null,"addresseeBackDocumentBoolean":false,"addresseeBackOriginalBoolean":false,"documentSentAgentBoolean":false,"senderCreateDateString":null,"senderCreateDatePicker":null,"employeeForwardDocumentAgent":null,"employeeForwardDocumentAgentString":null,"addresseeReceivedDocumentBoolean":false,"agentPassDocument":null,"agentPassDocumentDatePicker":null,"addresseeBackDocument":null,"addresseeBackDocumentDatePicker":null,"addresseeBackOriginal":null,"addresseeBackOriginalDatePicker":null,"employeeReceivedDocument":null,"employeeReceivedDocumentDatePicker":null,"employeeBackDocumentDate":null,"employeeBackDocumentDatePicker":null,"employeeReceivedAddress":null,"employeeReceivedAddressString":null,"employeeBackAddress":null,"employeeBackAddressString":null,"documentSegregatorSaved":false,"documentOriginalSegregatorSaved":false,"documentUSBSaved":false}],"scheduleInfoDtos":[{"_id":"61edda65b4ba412527cd5b27","concernedClientComboBox":{"_id":"61752fdb6ec0ae67f026be3f","firstName":"Wolfgang","lastName":"Kruse","address":null,"phoneNumber":null,"email":null},"concernedEmployeeComboBox":{"_id":"617644b890d988978d8bda4f","idContact":null,"firstName":"Adriana","lastName":"Hensztel"},"dateCreateScheduleDatePicker":"2022-01-04","dateLastScheduleDatePicker":"2022-01-12","infoTopic":"","information":"","orderedPersonComboBox":{"_id":"6176457861a1a81e063a62a6","login":"Micha[0xc5][0x82]","password":null},"handledScheduleCheckBox":true,"operatorScheduleComboBox":{"_id":"6176457861a1a81e063a62a6","login":"Micha[0xc5][0x82]","password":null}},{"_id":"61edfa9a910ae314c16e7111","concernedClientComboBox":null,"concernedEmployeeComboBox":null,"dateCreateScheduleDatePicker":"2021-12-29","dateLastScheduleDatePicker":null,"infoTopic":"","information":"","orderedPersonComboBox":{"_id":"6176457861a1a81e063a62a6","login":"Micha[0xc5][0x82]","password":null},"handledScheduleCheckBox":false,"operatorScheduleComboBox":{"_id":"6176457861a1a81e063a62a6","login":"Micha[0xc5][0x82]","password":null}},{"_id":"61edfae0910ae314c16e7112","concernedClientComboBox":{"_id":"61752fdb6ec0ae67f026be42","firstName":"Ursula","lastName":"Hecker","address":null,"phoneNumber":null,"email":null},"concernedEmployeeComboBox":{"_id":"617644b890d988978d8bda4f","idContact":null,"firstName":"Adriana","lastName":"Hensztel"},"dateCreateScheduleDatePicker":"2022-01-06","dateLastScheduleDatePicker":null,"infoTopic":"kkn","information":",, ,","orderedPersonComboBox":{"_id":"6176457861a1a81e063a62a6","login":"Micha[0xc5][0x82]","password":null},"handledScheduleCheckBox":true,"operatorScheduleComboBox":{"_id":"6176457861a1a81e063a62a6","login":"Micha[0xc5][0x82]","password":null}},{"_id":"61f188929bc36e277b952cce","concernedClientComboBox":null,"concernedEmployeeComboBox":{"_id":"61f185dba20682e7d49ccf10","idContact":null,"firstName":"","lastName":"Tuszy[0xc5][0x84]ska"},"dateCreateScheduleDatePicker":"2021-12-29","dateLastScheduleDatePicker":null,"infoTopic":"","information":"","orderedPersonComboBox":{"_id":"61f187d764f773652b226f67","login":"Micha[0xc5][0x82]","password":null},"handledScheduleCheckBox":false,"operatorScheduleComboBox":{"_id":"61f187d764f773652b226f67","login":"Micha[0xc5][0x82]","password":null}}]}[\r][\n]"
09:16:10.796 [Thread-4] DEBUG org.apache.http.headers - http-outgoing-1 << HTTP/1.1 200
09:16:10.796 [Thread-4] DEBUG org.apache.http.headers - http-outgoing-1 << Content-Type: application/json
09:16:10.797 [Thread-4] DEBUG org.apache.http.headers - http-outgoing-1 << Transfer-Encoding: chunked
09:16:10.797 [Thread-4] DEBUG org.apache.http.headers - http-outgoing-1 << Date: Mon, 31 Jan 2022 08:16:10 GMT
09:16:10.797 [Thread-4] DEBUG org.apache.http.headers - http-outgoing-1 << Keep-Alive: timeout=60
09:16:10.797 [Thread-4] DEBUG org.apache.http.headers - http-outgoing-1 << Connection: keep-alive
09:16:10.797 [Thread-4] DEBUG org.apache.http.impl.execchain.MainClientExec - Connection can be kept alive for 60000 MILLISECONDS
09:16:10.797 [Thread-4] DEBUG org.springframework.web.client.RestTemplate - Response 200 OK
09:16:10.821 [Thread-4] DEBUG org.springframework.http.converter.json.MappingJackson2HttpMessageConverter - Failed to evaluate Jackson deserialization for type [[simple type, class com.SPCBackend.SPCFrontendV5.dto.EmployeeModuleDto]]
com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot find a deserializer for non-concrete Map type [map type; class javafx.collections.ObservableMap, [simple type, class java.lang.Object] -> [simple type, class java.lang.Object]]
at com.fasterxml.jackson.databind.exc.InvalidDefinitionException.from(InvalidDefinitionException.java:67)
at com.fasterxml.jackson.databind.DeserializationContext.reportBadDefinition(DeserializationContext.java:1904)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:268)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findNonContextualValueDeserializer(DeserializationContext.java:632)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:539)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findNonContextualValueDeserializer(DeserializationContext.java:632)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:539)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findContextualValueDeserializer(DeserializationContext.java:609)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.createContextual(CollectionDeserializer.java:188)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.createContextual(CollectionDeserializer.java:28)
at com.fasterxml.jackson.databind.DeserializationContext.handlePrimaryContextualization(DeserializationContext.java:825)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:550)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findNonContextualValueDeserializer(DeserializationContext.java:632)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:539)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findContextualValueDeserializer(DeserializationContext.java:609)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.createContextual(CollectionDeserializer.java:188)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.createContextual(CollectionDeserializer.java:28)
at com.fasterxml.jackson.databind.DeserializationContext.handlePrimaryContextualization(DeserializationContext.java:825)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:550)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.hasValueDeserializerFor(DeserializerCache.java:191)
at com.fasterxml.jackson.databind.DeserializationContext.hasValueDeserializerFor(DeserializationContext.java:587)
at com.fasterxml.jackson.databind.ObjectMapper.canDeserialize(ObjectMapper.java:3467)
at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.canRead(AbstractJackson2HttpMessageConverter.java:251)
at org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessageConverterExtractor.java:100)
at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:1037)
at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:1020)
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:778)
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:711)
at org.springframework.web.client.RestTemplate.getForEntity(RestTemplate.java:361)
at com.SPCBackend.SPCFrontendV5.rest.EmployeeRestClient.getEmployeeModuleData(EmployeeRestClient.java:220)
at com.SPCBackend.SPCFrontendV5.controller.EmployeeController.lambda$loadEmployeeData$0(EmployeeController.java:153)
at java.base/java.lang.Thread.run(Thread.java:829)
09:16:10.833 [Thread-4] DEBUG org.springframework.http.converter.json.MappingJackson2HttpMessageConverter - Failed to evaluate Jackson deserialization for type [[simple type, class com.SPCBackend.SPCFrontendV5.dto.EmployeeModuleDto]]
com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot find a deserializer for non-concrete Map type [map type; class javafx.collections.ObservableMap, [simple type, class java.lang.Object] -> [simple type, class java.lang.Object]]
at com.fasterxml.jackson.databind.exc.InvalidDefinitionException.from(InvalidDefinitionException.java:67)
at com.fasterxml.jackson.databind.DeserializationContext.reportBadDefinition(DeserializationContext.java:1904)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:268)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findNonContextualValueDeserializer(DeserializationContext.java:632)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:539)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findNonContextualValueDeserializer(DeserializationContext.java:632)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:539)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findContextualValueDeserializer(DeserializationContext.java:609)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.createContextual(CollectionDeserializer.java:188)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.createContextual(CollectionDeserializer.java:28)
at com.fasterxml.jackson.databind.DeserializationContext.handlePrimaryContextualization(DeserializationContext.java:825)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:550)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findNonContextualValueDeserializer(DeserializationContext.java:632)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:539)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.findValueDeserializer(DeserializerCache.java:142)
at com.fasterxml.jackson.databind.DeserializationContext.findContextualValueDeserializer(DeserializationContext.java:609)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.createContextual(CollectionDeserializer.java:188)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.createContextual(CollectionDeserializer.java:28)
at com.fasterxml.jackson.databind.DeserializationContext.handlePrimaryContextualization(DeserializationContext.java:825)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.resolve(BeanDeserializerBase.java:550)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCache2(DeserializerCache.java:294)
at com.fasterxml.jackson.databind.deser.DeserializerCache._createAndCacheValueDeserializer(DeserializerCache.java:244)
at com.fasterxml.jackson.databind.deser.DeserializerCache.hasValueDeserializerFor(DeserializerCache.java:191)
at com.fasterxml.jackson.databind.DeserializationContext.hasValueDeserializerFor(DeserializationContext.java:587)
at com.fasterxml.jackson.databind.ObjectMapper.canDeserialize(ObjectMapper.java:3467)
at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.canRead(AbstractJackson2HttpMessageConverter.java:251)
at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.canRead(AbstractJackson2HttpMessageConverter.java:237)
at org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessageConverterExtractor.java:109)
at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:1037)
at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:1020)
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:778)
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:711)
at org.springframework.web.client.RestTemplate.getForEntity(RestTemplate.java:361)
at com.SPCBackend.SPCFrontendV5.rest.EmployeeRestClient.getEmployeeModuleData(EmployeeRestClient.java:220)
at com.SPCBackend.SPCFrontendV5.controller.EmployeeController.lambda$loadEmployeeData$0(EmployeeController.java:153)
at java.base/java.lang.Thread.run(Thread.java:829)
09:16:10.835 [Thread-4] DEBUG org.apache.http.wire - http-outgoing-1 << "0[\r][\n]"
09:16:10.835 [Thread-4] DEBUG org.apache.http.wire - http-outgoing-1 << "[\r][\n]"
09:16:10.835 [Thread-4] DEBUG org.apache.http.impl.conn.PoolingHttpClientConnectionManager - Connection [id: 1][route: {}->http://127.0.0.1:1234] can be kept alive for 60.0 seconds
09:16:10.835 [Thread-4] DEBUG org.apache.http.impl.conn.DefaultManagedHttpClientConnection - http-outgoing-1: set socket timeout to 0
09:16:10.835 [Thread-4] DEBUG org.apache.http.impl.conn.PoolingHttpClientConnectionManager - Connection released: [id: 1][route: {}->http://127.0.0.1:1234][total available: 1; route allocated: 1 of 5; total allocated: 1 of 10]
Exception in thread "Thread-4" org.springframework.web.client.UnknownContentTypeException: Could not extract response: no suitable HttpMessageConverter found for response type [class com.SPCBackend.SPCFrontendV5.dto.EmployeeModuleDto] and content type [application/json]
at org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessageConverterExtractor.java:126)
at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:1037)
at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:1020)
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:778)
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:711)
at org.springframework.web.client.RestTemplate.getForEntity(RestTemplate.java:361)
at com.SPCBackend.SPCFrontendV5.rest.EmployeeRestClient.getEmployeeModuleData(EmployeeRestClient.java:220)
at com.SPCBackend.SPCFrontendV5.controller.EmployeeController.lambda$loadEmployeeData$0(EmployeeController.java:153)
at java.base/java.lang.Thread.run(Thread.java:829)