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From Apache Wiki <>
Subject [Cassandra Wiki] Update of "API" by JonathanEllis
Date Thu, 10 Dec 2009 05:06:37 GMT
Dear Wiki user,

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The "API" page has been changed by JonathanEllis.


   NotFoundException:: A specific column was requested that does not exist.
   InvalidRequestException:: Invalid request could mean keyspace or column family does not
exist, required parameters are missing, or a parameter is malformed. `why` contains an associated
error message.
   UnavailableException:: Not all the replicas required could be created and/or read.
+  TimedOutException:: The node responsible for the write or read did not respond during the
rpc interval specified in your configuration (default 10s).  This can happen if the request
is too large, the node is oversaturated with requests, or the node is down but the failure
detector has not yet realized it (usually this takes < 30s).
   TApplicationException:: Internal server error or invalid Thrift method (possible if you
are using an older version of a Thrift client with a newer build of the Cassandra server).
  == Structures ==

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