m30999| Thu Nov 15 20:12:56.901 [conn2] DBClientCursor::init lazy say() failed
 m30999| Thu Nov 15 20:12:56.901 [conn2] DBClientCursor::init message from say() was empty
 m30999| Thu Nov 15 20:12:56.901 [conn2] exception when receiving data from shard0000:bs-amzn-64-1:30000, current connection state is { state: { conn: "bs-amzn-64-1:30000", vinfo: "shard0000:bs-amzn-64-1:30000", cursor: "(empty)", count: 0, done: false }, retryNext: false, init: true, finish: true, errored: false } :: caused by :: 15988 error querying server
Thu Nov 15 20:12:56.902 exec error: src/mongo/shell/query.js:128 error: { "$err" : "error querying server", "code" : 15988 }
throw "error: " + tojson( ret );
                ^
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