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PORuntimeError: -ERR Unknown Command running redis gem on Ruby
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  1. PORuntimeError: -ERR Unknown Command running redis gem on Ruby
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    copied!<p>The environment:</p> <p>Ubuntu 9.10 (run within VirtualBox)<br> Ruby v1.8.7<br> Redis gem v2.0.6</p> <p>On irb, when I try to initialize Redis I get a <code>RuntimeError</code>. Here's a snippet:</p> <pre><code>irb(main):001:0&gt; require 'rubygems' =&gt; true irb(main):002:0&gt; require 'redis' WARNING: using the built-in Timeout class which is known to have issues when used for opening connections. Install the SystemTimer gem if you want to make sure the Redis client will not hang. =&gt; true irb(main):003:0&gt; r = Redis.new RuntimeError: -ERR unknown command from /usr/lib/ruby/gems/1.8/gems/redis-2.0.6/lib/redis/client.rb:172:in `format_error_reply' from /usr/lib/ruby/gems/1.8/gems/redis-2.0.6/lib/redis/client.rb:162:in `format_reply' from /usr/lib/ruby/gems/1.8/gems/redis-2.0.6/lib/redis/client.rb:105:in `read' from /usr/lib/ruby/gems/1.8/gems/redis-2.0.6/lib/redis/client.rb:35:in `call' from /usr/lib/ruby/gems/1.8/gems/redis-2.0.6/lib/redis/client.rb:63:in `process' from /usr/lib/ruby/gems/1.8/gems/redis-2.0.6/lib/redis/client.rb:245:in `ensure_connected' from /usr/lib/ruby/gems/1.8/gems/redis-2.0.6/lib/redis/client.rb:61:in `process' from /usr/lib/ruby/gems/1.8/gems/redis-2.0.6/lib/redis/client.rb:199:in `logging' from /usr/lib/ruby/gems/1.8/gems/redis-2.0.6/lib/redis/client.rb:60:in `process' from /usr/lib/ruby/gems/1.8/gems/redis-2.0.6/lib/redis/client.rb:34:in `call' from /usr/lib/ruby/gems/1.8/gems/redis-2.0.6/lib/redis.rb:51:in `info' from /usr/lib/ruby/gems/1.8/gems/redis-2.0.6/lib/redis.rb:560:in `inspect' from /usr/lib/ruby/1.8/irb.rb:302:in `output_value' from /usr/lib/ruby/1.8/irb.rb:151:in `eval_input' from /usr/lib/ruby/1.8/irb.rb:263:in `signal_status' from /usr/lib/ruby/1.8/irb.rb:147:in `eval_input' from /usr/lib/ruby/1.8/irb.rb:146:in `eval_input' from /usr/lib/ruby/1.8/irb.rb:70:in `start' from /usr/lib/ruby/1.8/irb.rb:69:in `catch' from /usr/lib/ruby/1.8/irb.rb:69:in `start' from /usr/bin/irb:13irb(main):004:0&gt; exit </code></pre> <p>Has anybody run into this before? Any ideas?</p>
 

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