Wrong number of arguments for mget

[Daniel Wittenberg]

I'm trying to do an eval of skyline/elasticsearch/oculus and not sure exactly where this issue is coming from, but when we go to :3000 we get:

Redis::CommandError at /search

ERR wrong number of arguments for 'mget' command

Anyone seen that before?  Any other places to get help with Oculus too?

[Jon Cowie]

Daniel,

The same issue has been reported as an issue on github: https://github.com/etsy/oculus/issues/11

I'm still looking into exactly what's causing the issue, as I haven't been able to replicate it yet - keep an eye on that issue for updates :)

Cheers,

Jon

[Daniel Wittenberg]

Glad I'm not the only one, mine is an out-of-the-box empty install, just ran the seed_data.py.

Relevant code:

puts "results: #{results.class} #{results.inspect}"

    redis_results = Hash.new

    if @formatted_query == "Drawn Query"

      redis_names = results.map{|r|r.id}

    else

      redis_names = results.map{|r|r.id} << @formatted_query

    end

    puts "redis names: ->#{redis_names.class} ->#{redis_names}"

results: ElasticSearch::Api::Hits #<ElasticSearch::Api::Hits:0x00000003a9e568 @response={"took"=>2, "timed_out"=>false, "_shards"=>{"total"=>5, "successful"=>5, "failed"=>0}, "hits"=>{"total"=>0, "max_score"=>nil, "hits"=>[]}}, @options={:per_page=>nil, :page=>nil, :ids_only=>nil}, @total_entries=0, @_shards={"total"=>5, "successful"=>5, "failed"=>0}, @facets=nil, @scroll_id=nil, @hits=[]>

redis names: ->Array ->[]

Redis::CommandError - ERR wrong number of arguments for 'mget' command:

[Daniel Wittenberg]

Another minor follow-up, any recommendations for the OS/ruby/python/etc?  I realized that ruby 1.8.7 wasn't going to work, but any other up-front requirements would help too.

[Abe Stanway]

Yes, I suspect it is because there are no keys in Redis, so there will be nothing passed as an arg to the mget, which would throw that error. Likely we just need a check to make sure at least 1 key is being passed to the mget.

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Abe Stanway

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