Program: 55496
Project: 55496
Buggy source:
/** 
 * Constructs this base class with all collaborators and configuration information. This constructor creates and uses a  {@link DynamicTopicDestinationResolver} which will be used to resolve the topic arn based on the logical topicname.
 * @param amazonSns - the Amazon SNS client used, must not be null
 * @param topicName - the topic name which can be the logical topic name (e.g. "myTopic") or the topic arn which is the fully qualified name following the amazon resource notation.
 * @param protocol - the protocol for which the endpoint will be configured. This class will only check if there is a valid subscription based on the protocol and subscription available, but will not execute any protocol specific behaviour. The value must not be null
 * @param endpoint - the endpoint address for this endpoint. The endpoint address must match to a valid subscription. The value must not be null
 * @param target - the target bean which will be called by the endpoint. The bean could by of any type as long it is accessible. Must not be null
 * @param method - the method name that will be called by the endpoint. The method must exist and be accessible on the target object. Must not be null
 * @throws IllegalArgumentException if one of the mandatory parameters is null
 */
AbstractNotificationEndpointFactoryBean(AmazonSNS amazonSns,String topicName,TopicListener.NotificationProtocol protocol,String endpoint,Object target,String method){
  Assert.notNull(amazonSns,"String_Node_Str");
  Assert.notNull(topicName,"String_Node_Str");
  Assert.notNull(protocol,"String_Node_Str");
  Assert.notNull(endpoint,"String_Node_Str");
  Assert.notNull(method,"String_Node_Str");
  this.amazonSns=amazonSns;
  this.topicName=topicName;
  this.protocol=protocol;
  this.endpoint=endpoint;
  this.target=target;
  this.method=method;
  this.destinationResolver=new CachingDestinationResolver(new DynamicTopicDestinationResolver(amazonSns));
}

Fixed version (ground truth):
/** 
 * Constructs this base class with all collaborators and configuration information. This constructor creates and uses a  {@link DynamicTopicDestinationResolver} which will be used to resolve the topic arn based on the logical topicname.
 * @param amazonSns - the Amazon SNS client used, must not be null
 * @param topicName - the topic name which can be the logical topic name (e.g. "myTopic") or the topic arn which is the fully qualified name following the amazon resource notation.
 * @param protocol - the protocol for which the endpoint will be configured. This class will only check if there is a valid subscription based on the protocol and subscription available, but will not execute any protocol specific behaviour. The value must not be null
 * @param endpoint - the endpoint address for this endpoint. The endpoint address must match to a valid subscription. The value must not be null
 * @param target - the target bean which will be called by the endpoint. The bean could by of any type as long it is accessible. Must not be null
 * @param method - the method name that will be called by the endpoint. The method must exist and be accessible on the target object. Must not be null
 * @throws IllegalArgumentException if one of the mandatory parameters is null
 */
AbstractNotificationEndpointFactoryBean(AmazonSNS amazonSns,String topicName,TopicListener.NotificationProtocol protocol,String endpoint,Object target,String method){
  Assert.notNull(amazonSns,"String_Node_Str");
  Assert.notNull(topicName,"String_Node_Str");
  Assert.notNull(protocol,"String_Node_Str");
  Assert.notNull(endpoint,"String_Node_Str");
  Assert.notNull(method,"String_Node_Str");
  this.amazonSns=amazonSns;
  this.topicName=topicName;
  this.protocol=protocol;
  this.endpoint=endpoint;
  this.target=target;
  this.method=method;
  this.destinationResolver=new CachingDestinationResolver<MessageChannel>(new DynamicTopicDestinationResolver(amazonSns));
}