Value sent to redis cannot be null

[Sreepathi Prasanna Karnam]

Hello,

I'm using jedis client 2.7.2. I'm having an issue in pfmerge call. 

pfmerge has this syntax,

pfmerge(String newKey, String...sourceKeys) 

so, when I send a bunch of source keys to pfmerge, i get this exception. 

"value sent to redis cannot be null". What are the possible causes 

for this error message. I'm pretty sure, 'null' is not being sent in the 

sourceKeys parameter. Looking at the code, SafeEncoder, it looks like encodeMany 

checks only if the sourceKeys has 'null' string and then throws the JedisException. 

Is there any other reason that this might throw 'value sent to redis cannot be null'

error message ?

[Marcos Lilljedahl]

Hi, 

Please provide a snippet or an example to reproduce this problem. My guess is that either `newKey` or any of the sourceKeys is `null` but you already said that is not happening.

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