Program: 48286
Project: 48286
Buggy source:
public void syncUp(String clusterName,boolean updateClusterStatus){
  if (logger.isDebugEnabled()) {
    logger.debug("String_Node_Str" + clusterName);
  }
  List<NodeEntity> nodes=clusterEntityMgr.findAllNodes(clusterName);
  boolean allNodesDown=true;
  List<Future<NodeRead>> refreshedNodeList=new ArrayList<>();
  for (  NodeEntity node : nodes) {
    refreshedNodeList.add(nodeSyncService.asyncRefreshNodeStatus(node.getVmName()));
  }
  while (refreshedNodeList.size() > 0) {
    for (Iterator<Future<NodeRead>> futureItr=refreshedNodeList.iterator(); futureItr.hasNext(); ) {
      Future<NodeRead> refreshedNodeFuture=futureItr.next();
      if (refreshedNodeFuture.isDone()) {
        try {
          NodeRead refreshedNode=refreshedNodeFuture.get();
          if (logger.isDebugEnabled()) {
            logger.debug("String_Node_Str" + refreshedNode.getName());
          }
          if (NodeStatus.fromString(refreshedNode.getStatus()).ordinal() >= NodeStatus.POWERED_ON.ordinal()) {
            allNodesDown=false;
          }
        }
 catch (        InterruptedException e) {
          logger.error("String_Node_Str",e);
        }
catch (        ExecutionException e) {
          logger.error("String_Node_Str",e);
        }
 finally {
          futureItr.remove();
        }
      }
    }
    try {
      Thread.sleep(50);
    }
 catch (    InterruptedException e) {
    }
  }
  if (updateClusterStatus && allNodesDown) {
    ClusterEntity cluster=clusterEntityMgr.findByName(clusterName);
    if (cluster.getStatus() == ClusterStatus.RUNNING) {
      logger.info("String_Node_Str");
      cluster.setStatus(ClusterStatus.STOPPED);
    }
  }
}

Fixed version (ground truth):
public void syncUp(String clusterName,boolean updateClusterStatus){
  if (logger.isDebugEnabled()) {
    logger.debug("String_Node_Str" + clusterName);
  }
  List<NodeEntity> nodes=clusterEntityMgr.findAllNodes(clusterName);
  boolean allNodesDown=true;
  List<Future<NodeRead>> refreshedNodeList=new ArrayList<>();
  for (  NodeEntity node : nodes) {
    refreshedNodeList.add(nodeSyncService.asyncRefreshNodeStatus(node.getVmName()));
  }
  long elapsed=0l;
  while (CollectionUtils.isNotEmpty(refreshedNodeList)) {
    for (Iterator<Future<NodeRead>> futureItr=refreshedNodeList.iterator(); futureItr.hasNext(); ) {
      Future<NodeRead> refreshedNodeFuture=futureItr.next();
      if (refreshedNodeFuture.isDone()) {
        try {
          NodeRead refreshedNode=refreshedNodeFuture.get();
          if (logger.isDebugEnabled()) {
            logger.debug("String_Node_Str" + refreshedNode.getName());
          }
          if (NodeStatus.fromString(refreshedNode.getStatus()).ordinal() >= NodeStatus.POWERED_ON.ordinal()) {
            allNodesDown=false;
          }
        }
 catch (        InterruptedException e) {
          logger.error("String_Node_Str",e);
        }
catch (        ExecutionException e) {
          logger.error("String_Node_Str",e);
        }
 finally {
          futureItr.remove();
        }
      }
    }
    try {
      Thread.sleep(TIME_SLICE);
      elapsed+=TIME_SLICE;
      if (elapsed >= MAX_WAIT) {
        break;
      }
    }
 catch (    InterruptedException e) {
    }
    if (logger.isDebugEnabled()) {
      logger.debug("String_Node_Str" + clusterName);
    }
  }
  if (CollectionUtils.isNotEmpty(refreshedNodeList)) {
    logger.warn("String_Node_Str" + clusterName);
  }
 else {
    logger.info(String.format("String_Node_Str",clusterName,elapsed));
  }
  if (updateClusterStatus && allNodesDown) {
    ClusterEntity cluster=clusterEntityMgr.findByName(clusterName);
    if (cluster.getStatus() == ClusterStatus.RUNNING) {
      logger.info("String_Node_Str");
      cluster.setStatus(ClusterStatus.STOPPED);
    }
  }
}