A list of possible error messages is listed below. This list is not comprehensive and will be modified to reflect the true error message along with the error code.
'''Error Code''' '''
Error Message''' '''How to Handle'''
Error during parsing
Unable to descirbe schema for alias <alias>
Unable to store alias <id>
Unable to find an operator for alias <alias>
No alias <alias> to <operation>
No plan for <alias> to <operation>
Could not find operator in plan
Found duplicates in schema. <list of duplicate column names> . Please alias the columns with unique names.
Expected a bag with a single element of type tuple but got a bag schema with multiple elements
Expected a bag with a single element of type tuple but got an element of type <type>
getAtomicGroupByType is used only when dealing with atomic <group/join> col
getTupleGroupBySchema is used only when dealing with <tuple/join> group col
Each <COGroup/join> input has to have the same number of inner plans
attributes can either be star or a list of expressions, but not both.
Problem with input <operator> of User-defined function: <function>
Error determining fieldschema of constant: <constant>
Problems in merging user defined schema
Schema mismatch. A basic type on flattening cannot have more than one column. User defined schema: <schema>
Problem determining schema during load
Unable to merge schemas
Only a BAG or TUPLE can have schemas. Got <type>
Type mismatch. No useful type for merging. Field Schema: <field schema>. Other Fileld Schema: + otherFs
Type mismatch. Field Schema: <field schema>. Other Fileld Schema: + otherFs
Unable to create field schema
Found duplicate aliases: <alias>
Found more than one match: <list of aliases>
Attempt to fetch field: <field> from schema of size <size>
Cannot reconcile schemas with different sizes. This schema has size <size> other has size of <size>
Access to the tuple <alias> of the bag is disallowed. Only access to the elements of the tuple in the bag is allowed.
One of the schemas is null for merging schemas. Schema: <schema> Other schema: <schema>
Different schema sizes for merging schemas. Schema size: <size> Other schema size: <size>
Incompatible types for merging schemas. Field schema type: <type> Other field schema type: <type>
Incompatible inner schemas for merging schemas. Field schema: <schema> Other field schema: <schema>
Schema size mismatch for merging schemas. Other schema size greater than schema size. Schema: <schema>. Other schema: <schema>
TypeCastInserter invoked with an invalid operator class name: <operator class name>
Error getting LOProject's input schema
Map key should be a basic type
Operand of Regex can be CharArray only
Operands of AND/OR can be boolean only
Incompatible types in <Addition/Subtraction/Division/Multiplication/Mod/GreaterThan/LesserThan/> operator. left hand side: <type> right hand size: type
Could not set <Add/Subtract/Multiply/Divide/Mod/UserFunc/BinCond> field schema
NEG can be used with numbers or Bytearray only
NOT can be used with boolean only
Unable to retrieve field schema of operator.
Unable to get list of overloaded methods.
Could not infer the matching function for <func spec> as multiple or none of them fit. Please use an explicit cast.
Multiple matching functions for <funcspec> with input schemas: ( <schema> , <schema>). Please use an explicit cast.
Condition in BinCond must be boolean
Two inputs of BinCond must have compatible schemas
Problem during evaluaton of BinCond output type
Unsupported input type for BinCond: lhs = <type>; rhs = <type>
Cannot cast to bytearray
Cannot cast <type> with schema <schema> to <type> with schema <schema>
Cannot resolve load function to use for casting from <type> to <type>
Cannot merge schemas from inputs of UNION
Problem while reading schemas from inputs of <Union/SplitOutput/Distinct/Limit/Cross>
Problem while casting inputs of Union
's inner plan can only have one output (leaf)
Split's condition must evaluate to boolean. Found: <type>
Problem while reconciling output schema of <Sort/Filter/Split>
Cannot resolve <COGroup/Foreach/Fragment Replicate Join> output schema
Sorry, group by complex types will be supported soon
COGroup by incompatible types
Problem while reading field schema from input while inserting cast
Problem reading column <col> from schema: <schema>
Found more than one load function to use: <list of load functions>
Unable to open iterator for alias <alias>
Unable to explain alias <alias>
Using <Map/Bag> as key not supported.
Problem resolving class version numbers for class <class>
Could not resolve <class> using imports: <package import list>
Cannot convert a <type> to <a/an> <type>
Out of bounds access: Request for field number <number> exceeds tuple size of <size>
Cannot determine field schema for <object>
Problem with formatting. Could not convert <object> to <Integer/Long/Float/Double>.
Received a bytearray from the UDF. Cannot determine how to convert the bytearray to <int/float/long/double/string/tuple/bag/map>
Problem while reading field schema of cast operator.
Two operators that require a cast in between are not adjacent.
Schema size mismatch for casting. Input schema size: <size>. Target schema size: <size>
Undefined type checking logic for unary operator: " <operator>
Did not find inputs for operator: " <operator>
Cannot cast to <int/float/long/double/string/tuple/bag/map>. Expected bytearray but received: <type>
Cogroups with more than 127 inputs not supported.
setBatchOn() must be called first.
Invalid Query: Query is null or of size 0.
operator in <pushBefore/pushAfter> is null. Cannot <pushBefore/pushAfter> null operators.
First operator in <pushBefore/pushAfter> should have multiple <inputs/outputs>. Found first operator with <size> <inputs/outputs>.
The <inputNum/outputNum> <num> should be lesser than the number of <inputs/outputs> of the first operator. Found first operator with <size> <inputs/outputs>.
operator in <pushBefore/pushAfter> should have <at least> one <output/input>. Found <first/second> operator with <no/<size> > <outputs/inputs>.
Second operator in <pushBefore/pushAfter> should be the <successor/predecessor> of the First operator.
Second operator can have at most one <incoming/outgoing> edge from First operator. Found <num> edges.
First operator does not support multiple <outputs/inputs>. On completing the <pushBefore/pushAfter> operation First operator will end up with <num> edges
operator in swap is null. Cannot swap null operators.
Swap supports swap of operators with at most one <input/output>. Found <first/second> operator with <size> <inputs/outputs>
Attempt to insert between two nodes that were not connected.
Attempt to remove and reconnect for node with multiple <predecessors/successors>.
Attempt to remove and reconnect for node with <<size>/no> <predecessors/successors>.
Containing node cannot be null.
Node index cannot be negative.
Node to be replaced cannot be null.
Replacement node cannot be null.
Merge Join must have exactly two inputs. Found : + <size> + inputs
Data is not sorted on <left/right> side. Last two keys encountered were: <previous key>, <current key>
Merge join only supports Filter, Foreach and Load as its predecessor. Found : <operator>
Right input of merge-join must implement SamplableLoader interface. This loader doesn't implement it.
Heap percentage / Conversion factor cannot be set to 0
Merge join is possible only for simple column or '*' join keys when using <funcspec> as the loader
Try to merge incompatible types (eg. numerical type vs non-numeircal type)
Input ( <input alias> ) on which outer join is desired should have a valid schema
Unsupported query: You have an partition column (<colname>) inside a <regexp operator/function/cast/null check operator/bincond operator> in the filter condition.
Use of partition column/condition with non partition column/condition in filter expression is not supported.
Unsupported query: You have an partition column (<column name>) in a construction like: (pcond and ...) or (pcond and ...) where pcond is a condition on a partition column.
Unable to describe schema for nested expression <alias>
Unable to find schema for nested alias <nested alias>
Place holder for Howl related errors
Duplicate udf script (in scripting language)
Cannot merge schema
Cannot convert bytes load from BinStorage
Cannot find LoadCaster class
Cannot cast complex data
The arity of cogroup/group by columns do not match
Cogroup/Group by * is only allowed if the input has a schema
Mismatch merging expression field schema .. with user specified schema ..
Error determining field schema from object in constant expression"
Schema having field with null alias cannot be merged using alias.
Dereference index out of range in schema.
Cannot find field dereference field in schema.
Referring to column(s) within a column of type .. is not allowed
Datatype of i'th group/join column in j'th relation of statement is incompatible with corresponding column in other relations in the statement