question: void lockedQuery ( Object lowerBoundKey , int lowerBoundOperator , Object upperBoundKey , int upperBoundOperator , Collection results , Set keysToRemove , ExecutionContext context ) throws TypeMismatchException , FunctionDomainException , NameResolutionException , QueryInvocationTargetException { throw new UnsupportedOperationException ( "Range grouping for HashIndex condition is not supported" ) ; }
target:  Method called while appropriate lock held on index 