[infinispan-issues] [JBoss JIRA] Created: (ISPN-793) Memcached server should throw error when stats comes with args

[Galder Zamarreño (JIRA)]

Memcached server should throw error when stats comes with args
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                 Key: ISPN-793
                 URL: https://jira.jboss.org/browse/ISPN-793
             Project: Infinispan
          Issue Type: Bug
          Components: Cache Server
    Affects Versions: 4.2.0.BETA1, 4.1.0.Final
            Reporter: Galder Zamarreño
            Assignee: Galder Zamarreño
            Priority: Minor
             Fix For: 4.2.0.CR2, 4.2.0.Final


Memcached protocol says https://github.com/memcached/memcached/blob/master/doc/protocol.txt:

"stats <args>\r\n 

Depending on <args>, various internal data is sent by the server. The 
kinds of arguments and the data sent are not documented in this vesion 
of the protocol, and are subject to change for the convenience of 
memcache developers."

Hence, we don't support <args> passed to stats. So, on one side, http://community.jboss.org/docs/DOC-14644 
needs to be updated in order to indicate the fact that this is not supported.

And the other hand, if someone passes <args>, we should throw an server error (or client error rather?) 
indicating that <args> is not supported. For sure, the entire line needs to be read.

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