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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"JsonMappingException while trying to get a contact by external Id","articleBody":"**SDK version** : 3.0.0\n\nI already have a base of contacts stored with some basic data , and also a 'signed_up_at'. The issue is that the contacts already created with a `signed_up_at` in milliseconds cannot be fetched by the show contact by external id request, since the field signed_up_at is deserialized as integer : \n\n```\nException : Network error executing HTTP request\ncom.intercom.api.core.IntercomException: Network error executing HTTP request\n\tat com.intercom.api.resources.unstable.contacts.RawContactsClient.showContactByExternalId(RawContactsClient.java:947)\n\tat com.intercom.api.resources.unstable.contacts.ContactsClient.showContactByExternalId(ContactsClient.java:427)\n...\u003cREDACTED STACKTRACE\u003e\nCaused by: com.fasterxml.jackson.databind.JsonMappingException: Numeric value (1675031978103) out of range of int (-2147483648 - 2147483647)\n at [Source: REDACTED (`StreamReadFeature.INCLUDE_SOURCE_IN_LOCATION` disabled); line: 1, column: 465] (through reference chain: com.intercom.api.resources.unstable.contacts.types.ShowContactByExternalIdResponse$Builder[\"signed_up_at\"])\n\tat com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:400)\n\tat com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:359)\n\tat com.fasterxml.jackson.databind.deser.BeanDeserializerBase.wrapAndThrow(BeanDeserializerBase.java:1966)\n\tat com.fasterxml.jackson.databind.deser.BuilderBasedDeserializer.vanillaDeserialize(BuilderBasedDeserializer.java:296)\n\tat com.fasterxml.jackson.databind.deser.BuilderBasedDeserializer.deserialize(BuilderBasedDeserializer.java:218)\n\tat com.fasterxml.jackson.databind.deser.DefaultDeserializationContext.readRootValue(DefaultDeserializationContext.java:342)\n\tat com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4971)\n\tat com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3887)\n\tat com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3855)\n\tat com.intercom.api.resources.unstable.contacts.RawContactsClient.showContactByExternalId(RawContactsClient.java:928)\n\t... 79 common frames omitted\nCaused by: com.fasterxml.jackson.core.exc.InputCoercionException: Numeric value (1675031978103) out of range of int (-2147483648 - 2147483647)\n at [Source: REDACTED (`StreamReadFeature.INCLUDE_SOURCE_IN_LOCATION` disabled); line: 1, column: 465]\n\tat com.fasterxml.jackson.core.base.ParserMinimalBase._reportInputCoercion(ParserMinimalBase.java:619)\n\tat com.fasterxml.jackson.core.base.ParserMinimalBase.reportOverflowInt(ParserMinimalBase.java:681)\n\tat com.fasterxml.jackson.core.base.ParserBase.convertNumberToInt(ParserBase.java:1059)\n\tat com.fasterxml.jackson.core.base.ParserBase._parseIntValue(ParserBase.java:981)\n\tat com.fasterxml.jackson.core.base.ParserBase.getIntValue(ParserBase.java:787)\n\tat com.fasterxml.jackson.databind.deser.std.NumberDeserializers$IntegerDeserializer.deserialize(NumberDeserializers.java:526)\n\tat com.fasterxml.jackson.databind.deser.std.NumberDeserializers$IntegerDeserializer.deserialize(NumberDeserializers.java:506)\n\tat com.fasterxml.jackson.databind.deser.std.ReferenceTypeDeserializer.deserialize(ReferenceTypeDeserializer.java:206)\n\tat com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeSetAndReturn(MethodProperty.java:158)\n\tat com.fasterxml.jackson.databind.deser.BuilderBasedDeserializer.vanillaDeserialize(BuilderBasedDeserializer.java:294)\n\t... 85 common frames omitted\n```","author":{"url":"https://github.com/mahmoud811995","@type":"Person","name":"mahmoud811995"},"datePublished":"2025-06-30T14:55:20.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/345/intercom-java/issues/345"}