[GitHub] [pulsar] sijie opened a new issue #4804: KeyValue schema doesn't handle null key and null value well

[GitBox <gi...@apache.org>]

sijie opened a new issue #4804: KeyValue schema doesn't handle null key and null value well
URL: https://github.com/apache/pulsar/issues/4804
 
 
   **Describe the bug**
   
   Similar as #4803, it is impossible to specify null key or null value in KeyValue schema. It throws exception as below:
   
   ```
   java.lang.NullPointerException
   	at java.util.Base64$Encoder.encode(Base64.java:261)
   	at java.util.Base64$Encoder.encodeToString(Base64.java:315)
   	at org.apache.pulsar.client.impl.TypedMessageBuilderImpl.value(TypedMessageBuilderImpl.java:109)
   ```
   
   
   **To Reproduce**
   
   ```
   producer.newMessage().value(new KeyValue(null, "test-value")).send();
   ```
   
   **Expected behavior**
   
   Be able to support `null` key and `null` value.
   
   

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