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Samebug tips

  1. ,

    The easiest solution is to provide a default constructor for the class you want to convert from/to json.

  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 Sonatype JIRA by Kelly Robinson, 1 year ago
Can not instantiate value of type [simple type, class org.sonatype.nexus.repository.docker.internal.V2FailureResult] from Integral number (404); no single-int-arg constructor/factory method at [Source: org.apache.http.conn.EofSensorInputStream@3a460093; line: 1, column: 1]
via GitHub by Anand-J-Kadhi
, 2 years ago
Can not instantiate value of type [simple type, class xxx] from Integral number (60); no single-int-arg constructor/factory method at [Source: [B@2f33e642; line: -1, column: 0]
via GitHub by naftulikay
, 2 years ago
Can not deserialize instance of java.util.Date out of VALUE_EMBEDDED_OBJECT token at [Source: de.undercouch.bson4jackson.io.LittleEndianInputStream@5a4bb836; pos: 71] (through reference chain: org.tkassembled.example.bson.data.Article["date"])
via GitHub by ghoover
, 1 week ago
Instantiation of [simple type, class com.github.tomakehurst.wiremock.matching.RequestPattern] value failed (java.lang.NoClassDefFoundError): com/google/common/base/MoreObjects at [Source: { "request": { "urlPath" : "/400/v1/test
via Stack Overflow by Wim Deblauwe
, 2 years ago
Can not instantiate value of type [simple type, class com.example.JacksonCustomizationsTest$TestEntityId] from Integral number (1); no single-int-arg constructor/factory method at [Source: {"id":1,"mutableProperty":"blabla"}; line: 1, column: 2] (through reference chain: com.example.TestEntity["id"])
com.fasterxml.jackson.databind.JsonMappingException: Can not instantiate value of type [simple type, class org.sonatype.nexus.repository.docker.internal.V2FailureResult] from Integral number (404); no single-int-arg constructor/factory method at [Source: org.apache.http.conn.EofSensorInputStream@3a460093; line: 1, column: 1] at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:216)[com.fasterxml.jackson.core.jackson-databind:2.7.1] at com.fasterxml.jackson.databind.DeserializationContext.mappingException(DeserializationContext.java:894)[com.fasterxml.jackson.core.jackson-databind:2.7.1] at com.fasterxml.jackson.databind.deser.std.StdValueInstantiator.createFromInt(StdValueInstantiator.java:312)[na:na] at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializeFromNumber(BeanDeserializerBase.java:1157)[na:na] at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeOther(BeanDeserializer.java:146)[na:na] at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:135)[na:na] at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3788)[com.fasterxml.jackson.core.jackson-databind:2.7.1] at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2849)[com.fasterxml.jackson.core.jackson-databind:2.7.1] at org.sonatype.nexus.repository.docker.internal.DockerProxyFacetImpl.execute(DockerProxyFacetImpl.java:309)[na:na] at org.sonatype.nexus.repository.proxy.ProxyFacetSupport.fetch(ProxyFacetSupport.java:222)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.proxy.ProxyFacetSupport.fetch(ProxyFacetSupport.java:202)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.proxy.ProxyFacetSupport.get(ProxyFacetSupport.java:164)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.proxy.ProxyHandler.handle(ProxyHandler.java:48)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.storage.UnitOfWorkHandler.handle(UnitOfWorkHandler.java:39)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.docker.internal.V2CatalogHandler.handle(V2CatalogHandler.java:36)[com.sonatype.nexus.plugins.nexus-repository-docker:3.0.0.01] at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.view.Context$proceed.call(Unknown Source)[!/:na] at org.sonatype.nexus.repository.docker.internal.V2Handlers$_closure18.doCall(V2Handlers.groovy:279)[com.sonatype.nexus.plugins.nexus-repository-docker:3.0.0.01] at sun.reflect.GeneratedMethodAccessor220.invoke(Unknown Source)[na:na] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[na:1.8.0_60] at java.lang.reflect.Method.invoke(Method.java:497)[na:1.8.0_60] at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)[groovy-all:2.4.4] at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)[groovy-all:2.4.4] at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:294)[groovy-all:2.4.4] at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1019)[groovy-all:2.4.4] at groovy.lang.Closure.call(Closure.java:426)[groovy-all:2.4.4] at org.codehaus.groovy.runtime.ConvertedClosure.invokeCustom(ConvertedClosure.java:53)[groovy-all:2.4.4] at org.codehaus.groovy.runtime.ConversionHandler.invoke(ConversionHandler.java:105)[groovy-all:2.4.4] at com.sun.proxy.$Proxy125.handle(Unknown Source)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.cache.NegativeCacheHandler.handle(NegativeCacheHandler.java:50)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.security.SecurityHandler.handle(SecurityHandler.java:45)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.view.Context$proceed.call(Unknown Source)[!/:na] at org.sonatype.nexus.repository.docker.internal.V2Handlers$_closure18.doCall(V2Handlers.groovy:279)[com.sonatype.nexus.plugins.nexus-repository-docker:3.0.0.01] at sun.reflect.GeneratedMethodAccessor220.invoke(Unknown Source)[na:na] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[na:1.8.0_60] at java.lang.reflect.Method.invoke(Method.java:497)[na:1.8.0_60] at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)[groovy-all:2.4.4] at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)[groovy-all:2.4.4] at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:294)[groovy-all:2.4.4] at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1019)[groovy-all:2.4.4] at groovy.lang.Closure.call(Closure.java:426)[groovy-all:2.4.4] at org.codehaus.groovy.runtime.ConvertedClosure.invokeCustom(ConvertedClosure.java:53)[groovy-all:2.4.4] at org.codehaus.groovy.runtime.ConversionHandler.invoke(ConversionHandler.java:105)[groovy-all:2.4.4] at com.sun.proxy.$Proxy125.handle(Unknown Source)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.view.Context$proceed.call(Unknown Source)[!/:na] at org.sonatype.nexus.repository.docker.internal.V2Handlers$_closure1.doCall(V2Handlers.groovy:74)[com.sonatype.nexus.plugins.nexus-repository-docker:3.0.0.01] at sun.reflect.GeneratedMethodAccessor224.invoke(Unknown Source)[na:na] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[na:1.8.0_60] at java.lang.reflect.Method.invoke(Method.java:497)[na:1.8.0_60] at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)[groovy-all:2.4.4] at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)[groovy-all:2.4.4] at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:294)[groovy-all:2.4.4] at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1019)[groovy-all:2.4.4] at groovy.lang.Closure.call(Closure.java:426)[groovy-all:2.4.4] at org.codehaus.groovy.runtime.ConvertedClosure.invokeCustom(ConvertedClosure.java:53)[groovy-all:2.4.4] at org.codehaus.groovy.runtime.ConversionHandler.invoke(ConversionHandler.java:105)[groovy-all:2.4.4] at com.sun.proxy.$Proxy125.handle(Unknown Source)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79)[org.sonatype.nexus.repository:3.0.0.01] at org.sonatype.nexus.repository.view.Context$proceed.call(Unknown Source)[!/:na] at org.sonatype.nexus.repository.docker.internal.V2Handlers$_closure17.doCall(V2Handlers.groovy:270)[com.sonatype.nexus.plugins.nexus-repository-docker:3.0.0.01] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[na:1.8.0_60] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)[na:1.8.0_60]