intercom-java Finding Contacts or Users Returns Deserialization Error

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Version info

intercom-java version: 2.8.2
Java version: JDK 1.8

Expected behavior

We expect that the Contact.list() call would return a list of contacts within our account

Actual behavior

Exception is thrown when the method is called which states that there was a problem deserializing the results. The error is as follows (some data intentionally obfuscated):

io.intercom.api.IntercomException: Local exception calling [https://api.intercom.io//contacts]. Check connectivity and settings. [Cannot deserialize instance of `java.net.URI` out of START_OBJECT token at [Source: (String)"{"type":"list","data":[{"type":"contact","id":"5841261218edxxxxxxxxxxxf","workspace_id":"fxxxxxx","external_id":"XXXXXX","role":"user","email":"[email protected]","phone":null,"name":"grplife Support","avatar":null,"owner_id":null,"social_profiles":{"type":"list","data":[]},"has_hard_bounced":false,"marked_email_as_spam":false,"unsubscribed_from_emails":false,"created_at":1480664594,"updated_at":1621052695,"signed_up_at":1480664594,"last_seen_at":1621051681,"last_replied_at":1519342044,"last_con"[truncated 15983 chars]; line: 1, column: 16352] (through reference chain: io.intercom.api.ContactCollection["pages"]->java.util.LinkedHashMap["next"])]

Steps to reproduce

Initialize the object with the account api token Intercom.setToken('xxxxxxxx');
Execute a request to gather the list of contacts ContactCollection contacts = Contact.list();
Try to access the returned data (no dice)

      while( contacts.hasNext() && c == null ){
	 c = contacts.next();
      }

Logs

Here are some more logs:

io.intercom.api.IntercomException: Local exception calling [https://api.intercom.io//contacts]. Check connectivity and settings. [Cannot deserialize instance of `java.net.URI` out of START_OBJECT token at [Source: (String)"{"type":"list","data":[{"type":"contact","id":"5841261218edxxxxxxxxxxxf","workspace_id":"fxxxxxx","external_id":"XXXXXX","role":"user","email":"[email protected]","phone":null,"name":"grplife Support","avatar":null,"owner_id":null,"social_profiles":{"type":"list","data":[]},"has_hard_bounced":false,"marked_email_as_spam":false,"unsubscribed_from_emails":false,"created_at":1480664594,"updated_at":1621052695,"signed_up_at":1480664594,"last_seen_at":1621051681,"last_replied_at":1519342044,"last_con"[truncated 15983 chars]; line: 1, column: 16352] (through reference chain: io.intercom.api.ContactCollection["pages"]->java.util.LinkedHashMap["next"])]

	at io.intercom.api.HttpClient.throwLocalException(HttpClient.java:124)
	at io.intercom.api.HttpClient.executeHttpMethod(HttpClient.java:112)
	at io.intercom.api.HttpClient.get(HttpClient.java:86)
	at io.intercom.api.HttpClient.get(HttpClient.java:82)
	at io.intercom.api.DataResource.list(DataResource.java:66)
	at io.intercom.api.Contact.list(Contact.java:50)
	at com.carmel.intercom.business.IntercomIntegrationService.generateTrialAccount(IntercomIntegrationService.java:60)
	at com.carmel.service.IntercomIntegrationTest.testTrailAccountCreate(IntercomIntegrationTest.java:28)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
	at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
	at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
	at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
Caused by: com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize instance of `java.net.URI` out of START_OBJECT token
 at [Source: (String)"{"type":"list","data":[{"type":"contact","id":"5841261218ed0xxxxxxxxxx","workspace_id":"fxxxxxx","external_id":"XXXXXX","role":"user","email":"[email protected]","phone":null,"name":"grplife Support","avatar":null,"owner_id":null,"social_profiles":{"type":"list","data":[]},"has_hard_bounced":false,"marked_email_as_spam":false,"unsubscribed_from_emails":false,"created_at":1480664594,"updated_at":1621052695,"signed_up_at":1480664594,"last_seen_at":1621051681,"last_replied_at":1519342044,"last_con"[truncated 15983 chars]; line: 1, column: 16352] (through reference chain: io.intercom.api.ContactCollection["pages"]->java.util.LinkedHashMap["next"])
	at com.fasterxml.jackson.databind.exc.MismatchedInputException.from(MismatchedInputException.java:63)
	at com.fasterxml.jackson.databind.DeserializationContext.reportInputMismatch(DeserializationContext.java:1343)
	at com.fasterxml.jackson.databind.DeserializationContext.handleUnexpectedToken(DeserializationContext.java:1139)
	at com.fasterxml.jackson.databind.DeserializationContext.handleUnexpectedToken(DeserializationContext.java:1093)
	at com.fasterxml.jackson.databind.deser.std.FromStringDeserializer.deserialize(FromStringDeserializer.java:177)
	at com.fasterxml.jackson.databind.deser.std.MapDeserializer._readAndBindStringKeyMap(MapDeserializer.java:527)
	at com.fasterxml.jackson.databind.deser.std.MapDeserializer.deserialize(MapDeserializer.java:364)
	at com.fasterxml.jackson.databind.deser.std.MapDeserializer.deserialize(MapDeserializer.java:29)
	at com.fasterxml.jackson.databind.deser.impl.FieldProperty.deserializeAndSet(FieldProperty.java:136)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:288)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:151)
	at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4013)
	at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3042)
	at io.intercom.api.HttpClient.readEntity(HttpClient.java:192)
	at io.intercom.api.HttpClient.handleSuccess(HttpClient.java:176)
	at io.intercom.api.HttpClient.runRequest(HttpClient.java:153)
	at io.intercom.api.HttpClient.executeHttpMethod(HttpClient.java:110)
	... 29 more

Disconnected from the target VM, address: '127.0.0.1:55247', transport: 'socket'

Process finished with exit code 255

May 15 '21 05:05 eugenedw

Digging around in the Intercom Developer Hub, I suspected this might be due to a version mismatch. After trying several past versions, the test eventually worked when I landed on 1.4, from September 2019.