Program: 48674
Project: 48674
Buggy source:
@Override public boolean upgrade(final String clusterName,StatusUpdater statusUpdator){
  logger.info("String_Node_Str" + clusterName + "String_Node_Str");
  this.serverVersion=clusterEntityMgr.getServerVersion();
  List<NodeEntity> nodes=getNodes(clusterName);
  List<Callable<Void>> storeNodeProcedures=new ArrayList<Callable<Void>>();
  try {
    for (    NodeEntity node : nodes) {
      if (NeedUpgrade(node)) {
        setActionToUpgrading(node);
        NodeUpgradeSP nodeUpgradeSP=new NodeUpgradeSP(node,serverVersion);
        storeNodeProcedures.add(nodeUpgradeSP);
      }
    }
    if (storeNodeProcedures.isEmpty()) {
      logger.info("String_Node_Str");
      return true;
    }
    Callable<Void>[] storeNodeProceduresArray=storeNodeProcedures.toArray(new Callable[0]);
    NoProgressUpdateCallback callback=new NoProgressUpdateCallback();
    ExecutionResult[] result=Scheduler.executeStoredProcedures(com.vmware.aurora.composition.concurrent.Priority.BACKGROUND,storeNodeProceduresArray,callback);
    if (result == null || result.length == 0) {
      logger.error("String_Node_Str");
      return false;
    }
    boolean success=true;
    int total=0;
    for (int i=0; i < storeNodeProceduresArray.length; i++) {
      Throwable nodeUpgradeSPException=result[i].throwable;
      NodeUpgradeSP sp=(NodeUpgradeSP)storeNodeProceduresArray[i];
      NodeEntity node=sp.getNode();
      if (result[i].finished && nodeUpgradeSPException == null) {
        updateNodeData(node);
        ++total;
      }
 else       if (nodeUpgradeSPException != null) {
        updateNodeData(node,false,nodeUpgradeSPException.getMessage());
        logger.error("String_Node_Str" + node.getVmName(),nodeUpgradeSPException);
        success=false;
      }
    }
    logger.info(total + "String_Node_Str");
    return success;
  }
 catch (  InterruptedException e) {
    logger.error("String_Node_Str",e);
    throw BddException.UPGRADE(e,e.getMessage());
  }
}

Fixed version (ground truth):
@Override public boolean upgrade(final String clusterName,StatusUpdater statusUpdator){
  logger.info("String_Node_Str" + clusterName + "String_Node_Str");
  this.serverVersion=clusterEntityMgr.getServerVersion();
  List<NodeEntity> nodes=getNodes(clusterName);
  List<Callable<Void>> storeNodeProcedures=new ArrayList<Callable<Void>>();
  try {
    for (    NodeEntity node : nodes) {
      if (node.needUpgrade(serverVersion)) {
        NodeUpgradeSP nodeUpgradeSP=new NodeUpgradeSP(node,serverVersion);
        storeNodeProcedures.add(nodeUpgradeSP);
      }
    }
    if (storeNodeProcedures.isEmpty()) {
      logger.info("String_Node_Str");
      return true;
    }
    Callable<Void>[] storeNodeProceduresArray=storeNodeProcedures.toArray(new Callable[0]);
    NoProgressUpdateCallback callback=new NoProgressUpdateCallback();
    ExecutionResult[] result=Scheduler.executeStoredProcedures(com.vmware.aurora.composition.concurrent.Priority.BACKGROUND,storeNodeProceduresArray,callback);
    if (result == null || result.length == 0) {
      logger.error("String_Node_Str");
      return false;
    }
    boolean success=true;
    int total=0;
    for (int i=0; i < storeNodeProceduresArray.length; i++) {
      Throwable nodeUpgradeSPException=result[i].throwable;
      NodeUpgradeSP sp=(NodeUpgradeSP)storeNodeProceduresArray[i];
      NodeEntity node=sp.getNode();
      if (result[i].finished && nodeUpgradeSPException == null) {
        updateNodeData(node);
        ++total;
      }
 else       if (nodeUpgradeSPException != null) {
        updateNodeData(node,false,nodeUpgradeSPException.getMessage());
        logger.error("String_Node_Str" + node.getVmName(),nodeUpgradeSPException);
        success=false;
      }
    }
    logger.info(total + "String_Node_Str");
    return success;
  }
 catch (  InterruptedException e) {
    logger.error("String_Node_Str",e);
    throw BddException.UPGRADE(e,e.getMessage());
  }
}