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Samebug tips

  1. ,
    Expert tip

    Try indicating constructor to use @JsonCreator annotation.

  2. ,

    You are trying to deserialize a type for which Jackson does not provide a default mapper. You should create your custom mapper for this type.

Solutions on the web

via Stack Overflow by hk6279
, 1 year ago
No content to map due to end-of-input at [Source: [B@67e6a2; line: 1, column: 1]
via GitHub by jiatianyao
, 1 year ago
No content to map due to end-of-input at [Source: [B@402e37bc; line: 1, column: 1]
via Stack Overflow by touchydeer36
, 2 years ago
No content to map due to end-of-input at [Source: org.apache.catalina.connector.CoyoteInputStream@6aded705; line: 1, column: 1]
via GitHub by v1ctor
, 11 months ago
Can not construct instance of com.mapkeen.DeserializationTest$I: abstract types either need to be mapped to concrete types, have custom deserializer, or contain additional type information at [Source: {"type":"b", "b":1}; line: 1, column: 1]
via GitHub by v1ctor
, 1 year ago
Can not construct instance of com.mapkeen.DeserializationTest$I: abstract types either need to be mapped to concrete types, have custom deserializer, or contain additional type information at [Source: {"type":"b", "b":1}; line: 1, column: 1]
via Stack Overflow by Sudharshan Rao
, 2 years ago
No content to map due to end-of-input at [Source: org.apache.catalina.connector.CoyoteInputStream@6aded705; line: 1, column: 1]
com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: [B@67e6a2; line: 1, column: 1]	at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148)	at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3781)	at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3721)	at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2819)	at com.test.admin.sys.http.SysJsonManage.process(SysJsonManage.java:31)	at org.apache.camel.processor.DelegateSyncProcessor.process(DelegateSyncProcessor.java:63)	at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:77)	at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:468)	at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:190)	at org.apache.camel.processor.Pipeline.process(Pipeline.java:121)	at org.apache.camel.processor.Pipeline.process(Pipeline.java:83)	at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:190)	at org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:62)	at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:145)	at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:77)	at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:468)	at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:190)	at org.apache.camel.processor.Pipeline.process(Pipeline.java:121)	at org.apache.camel.processor.Pipeline.process(Pipeline.java:83)	at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:190)	at org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:109)	at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:87)	at org.apache.camel.component.restlet.RestletConsumer$1.handle(RestletConsumer.java:68)	at org.apache.camel.component.restlet.MethodBasedRouter.handle(MethodBasedRouter.java:54)	at org.restlet.routing.Filter.doHandle(Filter.java:150)	at org.restlet.routing.Filter.handle(Filter.java:197)	at org.restlet.routing.Router.doHandle(Router.java:422)	at org.restlet.routing.Router.handle(Router.java:639)	at org.restlet.routing.Filter.doHandle(Filter.java:150)	at org.restlet.routing.Filter.handle(Filter.java:197)	at org.restlet.routing.Router.doHandle(Router.java:422)	at org.restlet.routing.Router.handle(Router.java:639)	at org.restlet.routing.Filter.doHandle(Filter.java:150)	at org.restlet.engine.application.StatusFilter.doHandle(StatusFilter.java:140)	at org.restlet.routing.Filter.handle(Filter.java:197)	at org.restlet.routing.Filter.doHandle(Filter.java:150)	at org.restlet.routing.Filter.handle(Filter.java:197)	at org.restlet.engine.CompositeHelper.handle(CompositeHelper.java:202)	at org.restlet.Component.handle(Component.java:408)	at org.restlet.Server.handle(Server.java:507)	at org.restlet.engine.connector.ServerHelper.handle(ServerHelper.java:63)	at org.restlet.engine.adapter.HttpServerHelper.handle(HttpServerHelper.java:143)	at org.restlet.engine.connector.HttpServerHelper$1.handle(HttpServerHelper.java:64)	at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:79)	at sun.net.httpserver.AuthFilter.doFilter(AuthFilter.java:83)	at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:82)	at sun.net.httpserver.ServerImpl$Exchange$LinkHandler.handle(ServerImpl.java:675)	at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:79)	at sun.net.httpserver.ServerImpl$Exchange.run(ServerImpl.java:647)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)