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Samebug tips

  1. ,

    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.

  2. ,

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

Solutions on the web

via JFrog JIRA by Will Saxon, 7 months ago
Can not deserialize instance of java.lang.String out of START_OBJECT token at [Source: N/A; line: -1, column: -1] (through reference chain: org.jfrog.hudson.pipeline.types.PromotionConfig["comment"])
via GitHub by garydgregory
, 3 days ago
-dd'T'HH:mm:ss.SSSZ", "yyyy-MM-dd'T'HH:mm:ss.SSS", "EEE, dd MMM yyyy HH:mm:ss zzz", "yyyy-MM-dd")) at [Source: UNKNOWN; line: -1, column: -1] (through reference chain: io.swagger.v3.oas.models.media.DateSchema["enum"]->java.util.ArrayList[0])
via GitHub by stevehu
, 1 month ago
", "clientName", "customClaim", "createDt", "ownerId"]) oauth2-client_1 | at [Source: UNKNOWN; line: -1, column: -1] (through reference chain: com.networknt.oauth.cache.model.Client["authenticateClass"])
via GitHub by varikin
, 1 year ago
Can not deserialize instance of java.util.ArrayList out of VALUE_STRING token at [Source: N/A; line: -1, column: -1] (through reference chain: com.netflix.spinnaker.clouddriver.openstack.deploy.description.loadbalancer.OpenstackLoadBalancerDescription["healthMonitor"]->com.netflix.spinnaker.clouddriver.openstack.domain.HealthMonitor["expectedCodes"])
via GitHub by milannister
, 3 weeks ago
Can not deserialize instance of java.util.ArrayList out of START_OBJECT token at [Source: N/A; line: -1, column: -1] (through reference chain: com.collabq.domain.Pomodoro["outgoingTasks"])
java.lang.IllegalArgumentException: Can not instantiate value of type [simple type, class org.sonatype.goodies.common.Time] from Floating-point number (100.0); no one-double/Double-arg constructor/factory method at [Source: N/A; line: -1, column: -1] (through reference chain: org.sonatype.nexus.repository.httpclient.Config["connection"]->org.sonatype.nexus.httpclient.config.ConnectionConfiguration["timeout"]) at com.fasterxml.jackson.databind.ObjectMapper._convert(ObjectMapper.java:3512)[na:na] at com.fasterxml.jackson.databind.ObjectMapper.convertValue(ObjectMapper.java:3431)[na:na] at org.sonatype.nexus.repository.config.ConfigurationFacetImpl.convert(ConfigurationFacetImpl.java:72)[na:na] at org.sonatype.nexus.repository.config.ConfigurationFacetImpl.readSection(ConfigurationFacetImpl.java:81)[na:na] at org.sonatype.nexus.repository.config.ConfigurationFacetImpl.validateSection(ConfigurationFacetImpl.java:118)[na:na] at org.sonatype.nexus.repository.httpclient.HttpClientFacetImpl.doValidate(HttpClientFacetImpl.java:84)[na:na] at org.sonatype.nexus.repository.FacetSupport.validate(FacetSupport.java:112)[na:na] at org.sonatype.nexus.common.stateguard.MethodInvocationAction.run(MethodInvocationAction.java:39)[na:na] at org.sonatype.nexus.common.stateguard.StateGuard$GuardImpl.run(StateGuard.java:270)[na:na] at org.sonatype.nexus.common.stateguard.GuardedInterceptor.invoke(GuardedInterceptor.java:53)[na:na] at org.sonatype.nexus.repository.manager.RepositoryImpl.validate(RepositoryImpl.java:160)[na:na] at org.sonatype.nexus.repository.manager.RepositoryManagerImpl.update(RepositoryManagerImpl.java:277)[na:na] at org.sonatype.nexus.common.stateguard.MethodInvocationAction.run(MethodInvocationAction.java:39)[na:na] at org.sonatype.nexus.common.stateguard.StateGuard$GuardImpl.run(StateGuard.java:270)[na:na] at org.sonatype.nexus.common.stateguard.GuardedInterceptor.invoke(GuardedInterceptor.java:53)[na:na] at org.sonatype.nexus.repository.manager.RepositoryManager$update$7.call(Unknown Source)[na:na] at org.sonatype.nexus.coreui.RepositoryComponent.update(RepositoryComponent.groovy:147)[na:na] at org.sonatype.nexus.validation.internal.ValidationInterceptor.invoke(ValidationInterceptor.java:53)[org.hibernate.validator:5.1.2.Final] at org.apache.shiro.guice.aop.AopAllianceMethodInvocationAdapter.proceed(AopAllianceMethodInvocationAdapter.java:49)[na:na] at org.apache.shiro.authz.aop.AuthorizingAnnotationMethodInterceptor.invoke(AuthorizingAnnotationMethodInterceptor.java:68)[na:na] at org.apache.shiro.guice.aop.AopAllianceMethodInterceptorAdapter.invoke(AopAllianceMethodInterceptorAdapter.java:36)[na:na] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[na:1.8.0_40] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)[na:1.8.0_40] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[na:1.8.0_40] at java.lang.reflect.Method.invoke(Method.java:497)[na:1.8.0_40] at com.softwarementors.extjs.djn.router.dispatcher.DispatcherBase.invokeJavaMethod(DispatcherBase.java:142)[org.sonatype.nexus.extdirect:3.0.0.SNAPSHOT] at com.softwarementors.extjs.djn.router.dispatcher.DispatcherBase.invokeMethod(DispatcherBase.java:133)[org.sonatype.nexus.extdirect:3.0.0.SNAPSHOT] at org.sonatype.nexus.extdirect.internal.ExtDirectServlet$3.invokeMethod(ExtDirectServlet.java:221)[org.sonatype.nexus.extdirect:3.0.0.SNAPSHOT] at com.softwarementors.extjs.djn.router.dispatcher.DispatcherBase.dispatch(DispatcherBase.java:63)[org.sonatype.nexus.extdirect:3.0.0.SNAPSHOT] at com.softwarementors.extjs.djn.router.processor.standard.StandardRequestProcessorBase.dispatchStandardMethod(StandardRequestProcessorBase.java:73)[org.sonatype.nexus.extdirect:3.0.0.SNAPSHOT] at com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor.processIndividualRequest(JsonRequestProcessor.java:502)[org.sonatype.nexus.extdirect:3.0.0.SNAPSHOT] at com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor.processIndividualRequestsInThisThread(JsonRequestProcessor.java:150)[org.sonatype.nexus.extdirect:3.0.0.SNAPSHOT] at com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor.process(JsonRequestProcessor.java:133)[org.sonatype.nexus.extdirect:3.0.0.SNAPSHOT] at com.softwarementors.extjs.djn.router.RequestRouter.processJsonRequest(RequestRouter.java:83)[org.sonatype.nexus.extdirect:3.0.0.SNAPSHOT] at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.processRequest(DirectJNgineServlet.java:617)[org.sonatype.nexus.extdirect:3.0.0.SNAPSHOT] at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.doPost(DirectJNgineServlet.java:580)[org.sonatype.nexus.extdirect:3.0.0.SNAPSHOT] at org.sonatype.nexus.extdirect.internal.ExtDirectServlet.doPost(ExtDirectServlet.java:127)[org.sonatype.nexus.extdirect:3.0.0.SNAPSHOT] at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)[javax.servlet-api:3.1.0] at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)[javax.servlet-api:3.1.0] at com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:287)[com.google.inject:4.0.0] at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:277)[com.google.inject:4.0.0] at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:182)[com.google.inject:4.0.0] at com.google.inject.servlet.DynamicServletPipeline.service(DynamicServletPipeline.java:71)[com.google.inject:4.0.0] at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:85)[com.google.inject:4.0.0] at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:112)[org.apache.shiro.web:1.2.4] at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)[com.google.inject:4.0.0] at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:112)[org.apache.shiro.web:1.2.4] at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)[com.google.inject:4.0.0] at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)[org.apache.shiro.web:1.2.4] at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)[org.apache.shiro.web:1.2.4] at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)[org.apache.shiro.web:1.2.4] at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)[org.apache.shiro.web:1.2.4] at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)[org.apache.shiro.web:1.2.4] at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)[org.apache.shiro.web:1.2.4] at org.sonatype.nexus.security.SecurityFilter.executeChain(SecurityFilter.java:85)[org.sonatype.nexus.security:3.0.0.SNAPSHOT] at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)[org.apache.shiro.web:1.2.4] at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)[org.apache.shiro.core:1.2.4] at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)[org.apache.shiro.core:1.2.4] at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)[org.apache.shiro.core:1.2.4] at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)[org.apache.shiro.web:1.2.4] at org.sonatype.nexus.security.SecurityFilter.doFilterInternal(SecurityFilter.java:101)[org.sonatype.nexus.security:3.0.0.SNAPSHOT] at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)[org.apache.shiro.web:1.2.4] at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)[com.google.inject:4.0.0] at com.codahale.metrics.servlet.AbstractInstrumentedFilter.doFilter(AbstractInstrumentedFilter.java:97)[com.codahale.metrics.servlet:3.0.2] at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)[com.google.inject:4.0.0] at org.sonatype.nexus.internal.web.ErrorPageFilter.doFilter(ErrorPageFilter.java:63)[org.sonatype.nexus.base:3.0.0.SNAPSHOT] at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)[com.google.inject:4.0.0] at org.sonatype.nexus.internal.web.EnvironmentFilter.doFilter(EnvironmentFilter.java:97)[org.sonatype.nexus.base:3.0.0.SNAPSHOT] at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)[com.google.inject:4.0.0] at com.google.inject.servlet.DynamicFilterPipeline.dispatch(DynamicFilterPipeline.java:104)[com.google.inject:4.0.0] at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:133)[com.google.inject:4.0.0] at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:130)[com.google.inject:4.0.0] at com.google.inject.servlet.GuiceFilter$Context.call(GuiceFilter.java:203)[com.google.inject:4.0.0] at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:130)[com.google.inject:4.0.0] at org.sonatype.nexus.bootstrap.osgi.DelegatingFilter.doFilter(DelegatingFilter.java:73)[org.sonatype.nexus.bootstrap:3.0.0.SNAPSHOT] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)[org.eclipse.jetty.servlet:9.3.7.v20160115] at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)[org.eclipse.jetty.servlet:9.3.7.v20160115] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)[org.eclipse.jetty.server:9.3.7.v20160115] at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)[org.eclipse.jetty.security:9.3.7.v20160115] at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)[org.eclipse.jetty.server:9.3.7.v20160115] at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1158)[org.eclipse.jetty.server:9.3.7.v20160115] at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)[org.eclipse.jetty.servlet:9.3.7.v20160115] at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)[org.eclipse.jetty.server:9.3.7.v20160115] at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1090)[org.eclipse.jetty.server:9.3.7.v20160115] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)[org.eclipse.jetty.server:9.3.7.v20160115] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:119)[org.eclipse.jetty.server:9.3.7.v20160115] at com.codahale.metrics.jetty9.InstrumentedHandler.handle(InstrumentedHandler.java:175)[com.codahale.metrics.jetty9:3.0.2] at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:109)[org.eclipse.jetty.server:9.3.7.v20160115] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:119)[org.eclipse.jetty.server:9.3.7.v20160115] at org.eclipse.jetty.server.Server.handle(Server.java:517)[org.eclipse.jetty.server:9.3.7.v20160115] at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:308)[org.eclipse.jetty.server:9.3.7.v20160115] at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:242)[org.eclipse.jetty.server:9.3.7.v20160115] at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)[org.eclipse.jetty.io:9.3.7.v20160115] at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)[org.eclipse.jetty.io:9.3.7.v20160115] at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:197)[org.eclipse.jetty.io:9.3.7.v20160115] at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)[org.eclipse.jetty.io:9.3.7.v20160115] at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)[org.eclipse.jetty.io:9.3.7.v20160115] at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:75)[org.eclipse.jetty.io:9.3.7.v20160115] at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:213)[org.eclipse.jetty.util:9.3.7.v20160115] at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:147)[org.eclipse.jetty.util:9.3.7.v20160115] at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654)[org.eclipse.jetty.util:9.3.7.v20160115] at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572)[org.eclipse.jetty.util:9.3.7.v20160115] at java.lang.Thread.run(Thread.java:745)[na:1.8.0_40]Caused by: com.fasterxml.jackson.databind.JsonMappingException: Can not instantiate value of type [simple type, class org.sonatype.goodies.common.Time] from Floating-point number (100.0); no one-double/Double-arg constructor/factory method at [Source: N/A; line: -1, column: -1] (through reference chain: org.sonatype.nexus.repository.httpclient.Config["connection"]->org.sonatype.nexus.httpclient.config.ConnectionConfiguration["timeout"]) at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:216)[na:na] at com.fasterxml.jackson.databind.DeserializationContext.mappingException(DeserializationContext.java:894)[na:na] at com.fasterxml.jackson.databind.deser.std.StdValueInstantiator.createFromDouble(StdValueInstantiator.java:335)[na:na] at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializeFromDouble(BeanDeserializerBase.java:1222)[na:na] at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeOther(BeanDeserializer.java:148)[na:na] at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:135)[na:na] at com.fasterxml.jackson.databind.deser.SettableBeanProperty.deserialize(SettableBeanProperty.java:490)[na:na] at com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeAndSet(MethodProperty.java:95)[na:na] at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:260)[na:na] at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:125)[na:na] at com.fasterxml.jackson.databind.deser.SettableBeanProperty.deserialize(SettableBeanProperty.java:490)[na:na] at com.fasterxml.jackson.databind.deser.impl.FieldProperty.deserializeAndSet(FieldProperty.java:101)[na:na] at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:260)[na:na] at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:125)[na:na] at com.fasterxml.jackson.databind.ObjectMapper._convert(ObjectMapper.java:3507)[na:na] ... 102 more