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The following page has been changed by daijy:
http://wiki.apache.org/pig/PigErrorHandlingFunctionalSpecification

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  ||2174||Internal exception. Could not create the sampler job. ||
  ||2175||Internal error. Could not retrieve file size for the sampler. ||
  ||2176||Error processing right input during merge join||
+ ||2177||Prune column optimization: Cannot retrieve operator from null or 
empty list||
+ ||2178||Prune column optimization: The matching node from the optimizor 
framework is null||
+ ||2179||Prune column optimization: Error while performing checks to prune 
columns.||
+ ||2180||Prune column optimization: Only LOForEach and LOSplit are expected||
+ ||2181||Prune column optimization: Unable to prune columns.||
+ ||2182||Prune column optimization: Only relational operator can be used in 
column prune optimization.||
+ ||2183||Prune column optimization: LOLoad must be the root logical operator.||
+ ||2184||Prune column optimization: Fields list inside RequiredFields is 
null.||
+ ||2185||Prune column optimization: Unable to prune columns when processing 
node||
+ ||2186||Prune column optimization: Cannot locate node from successor||
+ ||2187||Column pruner: Cannot get predessors||
+ ||2188||Column pruner: Cannot prune columns||
+ ||2189||Column pruner: Expect schema||
+ ||2190||PruneColumns: Cannot find predecessors for logical operator||
+ ||2191||PruneColumns: No input to prune||
+ ||2192||PruneColumns: Column to prune does not exist||
+ ||2193||PruneColumns: Foreach can only have 1 predecessor||
+ ||2194||PruneColumns: Expect schema||
+ ||2195||PruneColumns: Fail to visit foreach inner plan||
+ ||2196||RelationalOperator: Exception when traversing inner plan||
+ ||2197||RelationalOperator: Cannot drop column which require *||
+ ||2198||LOLoad: load only take 1 input||
+ ||2199||LOLoad: schema mismatch||
  ||2998||Unexpected internal error.||
  ||2999||Unhandled internal error.||
  ||3000||IOException caught while compiling POMergeJoin||

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