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  1. ,
    Expert tip

    Try indicating constructor to use @JsonCreator annotation.

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

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via GitHub by islandsvinur
, 1 year ago
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via GitHub by zhmq0124v
, 2 years ago
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via Jenkins JIRA by Ye Deming, 1 year ago
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via by Unknown author, 1 year ago
com.fasterxml.jackson.databind.JsonMappingException: Can not instantiate value of type [simple type, class java.lang.Void] from Boolean value (true); no single-boolean/Boolean-arg constructor/factory method
 at [Source: true; line: 1, column: 1]	at com.fasterxml.jackson.databind.JsonMappingException.from(	at com.fasterxml.jackson.databind.DeserializationContext.mappingException(	at com.fasterxml.jackson.databind.deser.std.StdValueInstantiator.createFromBoolean(	at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializeFromBoolean(	at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeOther(	at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(	at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(	at com.fasterxml.jackson.databind.ObjectMapper.readValue(	at org.gitlab.api.http.GitlabHTTPRequestor.parse(	at	at	at org.gitlab.api.GitlabAPI.unblockUser(	at com.gxsoftware.GitLabRemote.main(	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(	at sun.reflect.DelegatingMethodAccessorImpl.invoke(	at java.lang.reflect.Method.invoke(	at com.intellij.rt.execution.application.AppMain.main(