Honghai Chen created KAFKA-1947:
-----------------------------------

             Summary: can't explicitly set replica-assignment when add 
partitions
                 Key: KAFKA-1947
                 URL: https://issues.apache.org/jira/browse/KAFKA-1947
             Project: Kafka
          Issue Type: Bug
          Components: core
    Affects Versions: 0.8.1.1
         Environment: Windows
            Reporter: Honghai Chen


When create topic, the replicaAssignmentOpt should not appear with partitions.
But when add partitions,  they should can appear together,  from the code 
below, you can see when alter topic, and has partitions in arguments, it try 
get "replica-assignment"
https://git1-us-west.apache.org/repos/asf?p=kafka.git;a=blob;f=core/src/main/scala/kafka/admin/TopicCommand.scala;h=285c0333ff43543d3e46444c1cd9374bb883bb59;hb=HEAD#l114
 

The root cause is below code:
CommandLineUtils.checkInvalidArgs(parser, options, replicaAssignmentOpt,
 305         allTopicLevelOpts -- Set(alterOpt, createOpt) + partitionsOpt + 
replicationFactorOpt)

https://git1-us-west.apache.org/repos/asf?p=kafka.git;a=blob;f=core/src/main/scala/kafka/admin/TopicCommand.scala;h=285c0333ff43543d3e46444c1cd9374bb883bb59;hb=HEAD#l304

Related:  
https://issues.apache.org/jira/browse/KAFKA-1052





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