Foreign key constraint fails even if parent row is present - mysql

Question

I have following 2 tables.
CREATE TABLE `RuleEntity` (
`rule_id` bigint(20) NOT NULL,
`action_word` varchar(255) DEFAULT NULL,
`condition_word` varchar(255) DEFAULT NULL,
`description` varchar(255) DEFAULT NULL,
`name` varchar(255) DEFAULT NULL,
`ruleGUID` varchar(255) NOT NULL,
`rule_type` varchar(255) DEFAULT NULL,
`caseflag` tinyint(1) NOT NULL DEFAULT '0',
`globalflag` tinyint(1) NOT NULL DEFAULT '1',
`multilineflag` tinyint(1) NOT NULL DEFAULT '1',
`isDefault` tinyint(1) DEFAULT '0',
PRIMARY KEY (`rule_id`),
UNIQUE KEY `ruleGUID` (`ruleGUID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
CREATE TABLE `PreProcessorRule` (
`id` bigint(20) NOT NULL,
`rank` int(11) DEFAULT NULL,
`rule_rule_id` bigint(20) DEFAULT NULL,
`defaultRuleGUID` varchar(255) DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `FK4BD420EB4273A655` (`rule_rule_id`),
CONSTRAINT `FK4BD420EB4273A655` FOREIGN KEY (`rule_rule_id`) REFERENCES `RuleEntity` (`rule_id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
I am trying to insert 1 row in RuleEntiy and another in PreprocessorRule. But it fails with foreign key constraint.
INSERT INTO `RuleEntity` (`rule_id`,`action_word`,`condition_word`,`description`,`caseflag`,`globalflag`,`multilineflag`,`name`,`ruleGUID`,`rule_type`, `isDefault`) VALUES ( '1',' ','[^\\x00-\\x7F]','HF Default Rule: Removes Non-ASCII Character.',1,1,1,'HF: Non-ASCII Remover','1157B568665E08','CUSTOM', 1);
Query OK, 1 row affected (0.02 sec)
INSERT INTO `HFP`.`PreProcessorRule` (`id`, `rank`, `rule_rule_id`) VALUES ('1', '0', '1');
ERROR 1452 (23000): Cannot add or update a child row: a foreign key constraint fails (`HFP`.`PreProcessorRule`, CONSTRAINT `FK4BD420EB4273A655` FOREIGN KEY (`rule_rule_id`) REFERENCES `RuleEntity` (`rule_id`))
I ran same sql on local MySQL 5.1 on MAC OS X 10.9. It worked. Now I am trying to run it on the Amazon RDS MySQL where I get this error.
Kindly let me know what is going wrong?