Error in deserialization of JSON #451
Comments
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I have the same problem. Any ideas to fix this error? |
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Hi @IgorMaksymov , To what I have seen at the moment, it seems that the problem is for the com.fasterxml.jackson.core:jackson-databind:2.9.4 library. For the moment to bypass the error I have forced the use of the com.fasterxml.jackson.core:jackson-databind:2.9.3 library. |
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@CarlosLoboZamarro thanks! |
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Sorry @IgorMaksymov , I wanted to say com.fasterxml.jackson.core:jackson-databind:2.9.3 library. |
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For more data, here's the code that di thrown an error for me : oauthServer.when(
request("/oauth/v2/access_token")
.withMethod("GET")
.withHeader("X-Correlation-Id", "70b10973-a064-41da-8a5b-5a4dacca9d15")
.withQueryStringParameter("grant_type", "client_credentials")
.withQueryStringParameter("scope", "SCOPE")
.withHeader("authorization", "Basic Y2xpZW50SWQ6Y2xpZW50U2VjcmV0"))
.respond(response().withStatusCode(200)
.withBody("{\"access_token\":\"the_great_access_token\",\"expires_in\":1000}"));Upon debugging the deserializer complains about deserializing this array Here's a whole stack trace : Here's what changed with jackson-databind 2.9.4 : https://github.com/FasterXML/jackson-databind/blob/jackson-databind-2.9.5/release-notes/VERSION-2.x#L31-L61 |
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I wonder if this was introduced by this issue / change FasterXML/jackson-databind#1853 |
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I used version 5.1.1 and it worked. |
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Also fails for jackson 2.8.11, which is a hotfix for a CVE. And the issue is gone in 2.9.2 (which doesn't have a hotfix for the CVE), and then fails again in 2.9.5. I didn't try 2.9.3 or 2.9.4 yet though. But the hotfix in 2.8.11 may be a clue. |
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Jackson 2.9.3 does work fine, as mentioned here previously. |
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Agreed, 2.9.3 does work. 2.9.4 doesn't. |
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2.9.5 doesn't work either. Same error as 2.9.4 |
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There is a bug in Jackson from version 2.9.4 onwards. The bug is because Jackson invalidly prevents deserialisation of JSON fields names for objects unless those objects are deserialised as a Map. I have however worked around this bug with d267a2d. |
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@jamesbloomnektan Do you have the jackson issue ticket ? |
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@jamesbloomnektan Did your fix get released to maven central yet? |
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Version 5.4.1 is available on maven central
…On Mon, Jul 2, 2018, 21:29 Nathan ***@***.***> wrote:
@jamesbloomnektan <https://github.com/jamesbloomnektan> Did your fix get
released to maven yet?
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Works great! Thanks (Side note: You changed the names of some methods without having some deprecation period. I was on 5.3.0 and the method |
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Is there plans to update the mockserver maven plugin soon to use the latest version and to pull in this fix? |
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i'm trying to send
application/x-www-form-urlencodedrequest with bodyto:[email protected]this is the test code:
new MockServerClient("localhost", 1080) .when(request("/messages") .withMethod("POST") .withQueryStringParameter(Parameter.param("to","[email protected]")) ) .respond(response().withStatusCode(200));And when this code is executed, i have this exception:
IllegalArgumentException: Exception while parsing [{ "httpRequest" : { "method" : "POST", "path" : "/messages", "queryStringParameters" : { "to" : [ "[email protected]" ] } }, "httpResponse" : { "statusCode" : 200 }, "times" : { "remainingTimes" : 0, "unlimited" : true }, "timeToLive" : { "unlimited" : true } }] for Expectationcom.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize instance ofjava.lang.Stringout of FIELD_NAME token at [Source: (String)"{ "httpRequest" : { "method" : "POST", "path" : "/messages", "queryStringParameters" : { "to" : [ "[email protected]" ] } }, "httpResponse" : { "statusCode" : 200 }, "times" : { "remainingTimes" : 0, "unlimited" : true }, "timeToLive" : { "unlimited" : true } }"How can i bypass or fix this?
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