Program: 116770
Project: 116770
Buggy source:
@Override public void onMessage(Message message){
  TextMessage receivedMessage=(TextMessage)message;
  log.info("String_Node_Str");
  String json=null;
  try {
    json=receivedMessage.getText();
  }
 catch (  Exception e) {
    log.error("String_Node_Str" + e.getMessage(),e);
  }
  ArtifactUpdatedEvent event=(ArtifactUpdatedEvent)Util.jsonToObject(json,ArtifactUpdatedEvent.class);
  String clusterIdInPayload=LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.CLUSTER_ID);
  String localRepoPath=LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.APP_PATH);
  String clusterIdInMessage=event.getClusterId();
  String repoURL=event.getRepoURL();
  String repoPassword=decryptPassword(event.getRepoPassword());
  String repoUsername=event.getRepoUserName();
  String tenantId=event.getTenantId();
  log.info("String_Node_Str" + clusterIdInPayload);
  log.info("String_Node_Str" + clusterIdInMessage);
  if (clusterIdInPayload != null && clusterIdInPayload.equals(clusterIdInMessage)) {
    RepositoryInformation repoInformation=new RepositoryInformation();
    repoInformation.setRepoUsername(repoUsername);
    repoInformation.setRepoPassword(repoPassword);
    repoInformation.setRepoUrl(repoURL);
    repoInformation.setRepoPath(localRepoPath);
    repoInformation.setTenantId(tenantId);
    boolean cloneExists=GitBasedArtifactRepository.cloneExists(repoInformation);
    GitBasedArtifactRepository.checkout(repoInformation);
    if (!cloneExists) {
      log.info("String_Node_Str");
      InstanceActivatedEvent instanceActivatedEvent=new InstanceActivatedEvent(LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.SERVICE_NAME),LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.CLUSTER_ID),LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.NETWORK_PARTITION_ID),LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.PARTITION_ID),LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.MEMBER_ID));
      EventPublisher publisher=new EventPublisher(Constants.INSTANCE_STATUS_TOPIC);
      publisher.publish(instanceActivatedEvent);
      log.info("String_Node_Str");
    }
  }
}

Fixed version (ground truth):
@Override public void onMessage(Message message){
  TextMessage receivedMessage=(TextMessage)message;
  log.info("String_Node_Str");
  String json=null;
  try {
    json=receivedMessage.getText();
  }
 catch (  Exception e) {
    log.error("String_Node_Str" + e.getMessage(),e);
  }
  ArtifactUpdatedEvent event=(ArtifactUpdatedEvent)Util.jsonToObject(json,ArtifactUpdatedEvent.class);
  String clusterIdInPayload=LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.CLUSTER_ID);
  String localRepoPath=LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.APP_PATH);
  String clusterIdInMessage=event.getClusterId();
  String repoURL=event.getRepoURL();
  String repoPassword=decryptPassword(event.getRepoPassword());
  String repoUsername=event.getRepoUserName();
  String tenantId=event.getTenantId();
  log.info("String_Node_Str" + clusterIdInPayload);
  log.info("String_Node_Str" + clusterIdInMessage);
  log.info("String_Node_Str" + repoURL);
  if (StringUtils.isNotEmpty(repoURL) && clusterIdInPayload != null && clusterIdInPayload.equals(clusterIdInMessage)) {
    RepositoryInformation repoInformation=new RepositoryInformation();
    repoInformation.setRepoUsername(repoUsername);
    repoInformation.setRepoPassword(repoPassword);
    repoInformation.setRepoUrl(repoURL);
    repoInformation.setRepoPath(localRepoPath);
    repoInformation.setTenantId(tenantId);
    boolean cloneExists=GitBasedArtifactRepository.cloneExists(repoInformation);
    GitBasedArtifactRepository.checkout(repoInformation);
    if (!cloneExists) {
      log.info("String_Node_Str");
      InstanceActivatedEvent instanceActivatedEvent=new InstanceActivatedEvent(LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.SERVICE_NAME),LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.CLUSTER_ID),LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.NETWORK_PARTITION_ID),LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.PARTITION_ID),LaunchParamsUtil.readParamValueFromPayload(CartridgeAgentConstants.MEMBER_ID));
      EventPublisher publisher=new EventPublisher(Constants.INSTANCE_STATUS_TOPIC);
      publisher.publish(instanceActivatedEvent);
      log.info("String_Node_Str");
    }
  }
}