git-hulk opened a new pull request, #2150:
URL: https://github.com/apache/kvrocks/pull/2150

   Currently, we're missing the 'version', 'role', 'modules' in the HELLO 
command which may cause the compatibility issue in some clients like Java 
lettuce:
   
   ```
   Caused by: java.lang.IllegalArgumentException: Version must not be null
        at io.lettuce.core.internal.LettuceAssert.notNull(LettuceAssert.java:71)
        at 
io.lettuce.core.RedisHandshake$RedisVersion.<init>(RedisHandshake.java:333)
        at 
io.lettuce.core.RedisHandshake$RedisVersion.of(RedisHandshake.java:362)
        at 
io.lettuce.core.RedisHandshake.applyPostHandshake(RedisHandshake.java:249)
        at 
io.lettuce.core.RedisHandshake.lambda$initialize$0(RedisHandshake.java:99)
   ```
   
   For the HELLO command response refer: https://redis.io/commands/hello/


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