[ 
https://issues.apache.org/jira/browse/LOG4J2-3104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ralph Goers updated LOG4J2-3104:
--------------------------------
    Description: 
{code:java}
<!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-api -->
 <dependency>
   <groupId>org.apache.logging.log4j</groupId>
   <artifactId>log4j-api</artifactId>
   <version>2.11.2</version>
 </dependency>{code}
 

*sample code:*

 

 
{code:java}
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class Log4jIssue {
    private static final Logger LOGGER = LogManager.getLogger(Log4jIssue.class);
    public static void main(String[] args) throws Exception {
        String inputJson = 
"{\"metadata\":{\"Id\":\"191812\",\"operation\":\"UPDATE\",\"reason\":null}" +
                           
",\"data\":{\"producerType\":null,\"producerName\":\"Test\",\"village\":null,\"additionalData\":{},"
 +
                           
"\"producerMiddleName\":\"\",\"producerLastName\":\"K\",\"producerGender\":\"FEMALE\",\"producerSalutation\":null}}";
        LOGGER.info("inputJson : {}", inputJson);
    }
}
{code}
 

*Issue*: additionalData attribute is getting modified with complete json 
instead of empty.

 

 

  was:
```

<!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-api -->
<dependency>
 <groupId>org.apache.logging.log4j</groupId>
 <artifactId>log4j-api</artifactId>
 <version>2.11.2</version>
</dependency>

```

*sample code:*

 

```

{color:#0033b3}import 
{color}{color:#000000}org.apache.logging.log4j.LogManager{color};
{color:#0033b3}import 
{color}{color:#000000}org.apache.logging.log4j.Logger{color};

{color:#0033b3}public class {color}{color:#000000}Log4jIssue {color}{

 {color:#0033b3}private static final {color}{color:#000000}Logger 
{color}{color:#871094}LOGGER {color}= 
{color:#000000}LogManager{color}.getLogger({color:#000000}Log4jIssue{color}.{color:#0033b3}class{color});

 {color:#0033b3}public static void 
{color}{color:#00627a}main{color}({color:#000000}String{color}[] args) 
{color:#0033b3}throws {color}{color:#000000}Exception{color}{

 {color:#000000}String inputJson {color}= 
{color:#067d17}"{{color}{color:#0037a6}\"{color}{color:#067d17}metadata{color}{color:#0037a6}\"{color}{color:#067d17}:{{color}{color:#0037a6}\"{color}{color:#067d17}Id{color}{color:#0037a6}\"{color}{color:#067d17}:{color}{color:#0037a6}\"{color}{color:#067d17}191812{color}{color:#0037a6}\"{color}{color:#067d17},{color}{color:#0037a6}\"{color}{color:#067d17}operation{color}{color:#0037a6}\"{color}{color:#067d17}:{color}{color:#0037a6}\"{color}{color:#067d17}UPDATE{color}{color:#0037a6}\"{color}{color:#067d17},{color}{color:#0037a6}\"{color}{color:#067d17}reason{color}{color:#0037a6}\"{color}{color:#067d17}:null}"
 {color}+
 
{color:#067d17}",{color}{color:#0037a6}\"{color}{color:#067d17}data{color}{color:#0037a6}\"{color}{color:#067d17}:{{color}{color:#0037a6}\"{color}{color:#067d17}producerType{color}{color:#0037a6}\"{color}{color:#067d17}:null,{color}{color:#0037a6}\"{color}{color:#067d17}producerName{color}{color:#0037a6}\"{color}{color:#067d17}:{color}{color:#0037a6}\"{color}{color:#067d17}Test{color}{color:#0037a6}\"{color}{color:#067d17},{color}{color:#0037a6}\"{color}{color:#067d17}village{color}{color:#0037a6}\"{color}{color:#067d17}:null,{color}{color:#0037a6}\"{color}{color:#067d17}additionalData{color}{color:#0037a6}\"{color}{color:#067d17}:{},"
 {color}+
 
{color:#067d17}"{color}{color:#0037a6}\"{color}{color:#067d17}producerMiddleName{color}{color:#0037a6}\"{color}{color:#067d17}:{color}{color:#0037a6}\"\"{color}{color:#067d17},{color}{color:#0037a6}\"{color}{color:#067d17}producerLastName{color}{color:#0037a6}\"{color}{color:#067d17}:{color}{color:#0037a6}\"{color}{color:#067d17}K{color}{color:#0037a6}\"{color}{color:#067d17},{color}{color:#0037a6}\"{color}{color:#067d17}producerGender{color}{color:#0037a6}\"{color}{color:#067d17}:{color}{color:#0037a6}\"{color}{color:#067d17}FEMALE{color}{color:#0037a6}\"{color}{color:#067d17},{color}{color:#0037a6}\"{color}{color:#067d17}producerSalutation{color}{color:#0037a6}\"{color}{color:#067d17}:null}}"{color};

 
{color:#871094}LOGGER{color}.info({color:#067d17}"input{color:#000000}Json{color}
 : {}"{color}, input{color:#000000}Json{color});

 }
}

```

*Issue*: additionalData attribute is getting modified with complete json 
instead of empty.

 

 


> '{}' is not able to be appended with the empty attribute in json.
> -----------------------------------------------------------------
>
>                 Key: LOG4J2-3104
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-3104
>             Project: Log4j 2
>          Issue Type: Bug
>    Affects Versions: 2.11.2
>            Reporter: Avinash Tripathy
>            Priority: Major
>
> {code:java}
> <!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-api -->
>  <dependency>
>    <groupId>org.apache.logging.log4j</groupId>
>    <artifactId>log4j-api</artifactId>
>    <version>2.11.2</version>
>  </dependency>{code}
>  
> *sample code:*
>  
>  
> {code:java}
> import org.apache.logging.log4j.LogManager;
> import org.apache.logging.log4j.Logger;
> public class Log4jIssue {
>     private static final Logger LOGGER = 
> LogManager.getLogger(Log4jIssue.class);
>     public static void main(String[] args) throws Exception {
>         String inputJson = 
> "{\"metadata\":{\"Id\":\"191812\",\"operation\":\"UPDATE\",\"reason\":null}" +
>                            
> ",\"data\":{\"producerType\":null,\"producerName\":\"Test\",\"village\":null,\"additionalData\":{},"
>  +
>                            
> "\"producerMiddleName\":\"\",\"producerLastName\":\"K\",\"producerGender\":\"FEMALE\",\"producerSalutation\":null}}";
>         LOGGER.info("inputJson : {}", inputJson);
>     }
> }
> {code}
>  
> *Issue*: additionalData attribute is getting modified with complete json 
> instead of empty.
>  
>  



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