CODEWITHSUNDEEP
javaspringspring-bootjackson
Sakthi Velan
Sakthi Velan

Reputation: 356

Json conversion error while using jackson api in spring boot miroservice

I am using jackson mapper in my application.
Below is the code snippet.
Code is also having null fields not being set in the pojo class.
Getting below error while writing as string in last line.
Getting issue while using jackson api.

    dev.setActivationStatus("activationStatus");
    dev.setAccountName("account");
    dev.setServicePlan("service plan");
    dev.setDeviceManufacturer("deviceManufacturer");
    dev.setDeviceType("deviceType");
    dev.setDeviceName("deviceName");    
    ObjectMapper obj =new ObjectMapper();
    String devVal=obj.writeValueAsString(dev);```



java.lang.ClassNotFoundException: com.fasterxml.jackson.annotation.JsonKey
    at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[na:1.8.0_231]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[na:1.8.0_231]
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355) ~[na:1.8.0_231]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[na:1.8.0_231]
Any help will be useful

Upvotes: 1

Views: 2085

Answers (2)

Takouo Gnegneri Franck Kris-ke
Takouo Gnegneri Franck Kris-ke

Reputation: 137

Here is what worked in my case.

<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-annotations</artifactId>
    <version>2.12.0-rc2</version>
</dependency>
<!-- Thanks for using https://jar-download.com -->

Upvotes: 0

Panagiotis Bougioukos
Panagiotis Bougioukos

Reputation: 18909

Make sure that you have the following dependency. Your error means it can not load the class com.fasterxml.jackson.annotation.JsonKey probably because it is not there. This class should be inside jackson-annotations project.

<dependency>
  <groupId>com.fasterxml.jackson.core</groupId>
  <artifactId>jackson-annotations</artifactId>
  <version>{{choose a version here }}</version> 
</dependency>

Upvotes: 1

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