output: #fixed code
                                  @Override
      public void open(Map stormConf, TopologyContext context,
              SpoutOutputCollector collector) {
  
          partitionField = ConfUtils.getString(stormConf,
                  ESStatusRoutingFieldParamName);
  
          bucketSortField = ConfUtils.getString(stormConf,
                  ESStatusBucketSortFieldParamName, bucketSortField);
  
          totalSortField = ConfUtils.getString(stormConf,
                  ESStatusGlobalSortFieldParamName);
  
          maxURLsPerBucket = ConfUtils.getInt(stormConf,
                  ESStatusMaxURLsParamName, 1);
          maxBucketNum = ConfUtils.getInt(stormConf, ESStatusMaxBucketParamName,
                  10);
  
          minDelayBetweenQueries = ConfUtils.getLong(stormConf,
                  ESStatusMinDelayParamName, 2000);
  
          super.open(stormConf, context, collector);
      }
input: #vulnerable code 
                                  @Override
      public void open(Map stormConf, TopologyContext context,
              SpoutOutputCollector collector) {
  
          indexName = ConfUtils.getString(stormConf, ESStatusIndexNameParamName,
                  "status");
          docType = ConfUtils.getString(stormConf, ESStatusDocTypeParamName,
                  "status");
  
          partitionField = ConfUtils.getString(stormConf,
                  ESStatusRoutingFieldParamName);
  
          bucketSortField = ConfUtils.getString(stormConf,
                  ESStatusBucketSortFieldParamName, bucketSortField);
  
          totalSortField = ConfUtils.getString(stormConf,
                  ESStatusGlobalSortFieldParamName);
  
          maxURLsPerBucket = ConfUtils.getInt(stormConf,
                  ESStatusMaxURLsParamName, 1);
          maxBucketNum = ConfUtils.getInt(stormConf, ESStatusMaxBucketParamName,
                  10);
  
          minDelayBetweenQueries = ConfUtils.getLong(stormConf,
                  ESStatusMinDelayParamName, 2000);
  
          // one ES client per JVM
          synchronized (AggregationSpout.class) {
              try {
                  if (client == null) {
                      client = ElasticSearchConnection.getClient(stormConf,
                              ESBoltType);
                  }
              } catch (Exception e1) {
                  LOG.error("Can't connect to ElasticSearch", e1);
                  throw new RuntimeException(e1);
              }
          }
  
          // if more than one instance is used we expect their number to be the
          // same as the number of shards
          int totalTasks = context
                  .getComponentTasks(context.getThisComponentId()).size();
          if (totalTasks > 1) {
              logIdprefix = "[" + context.getThisComponentId() + " #"
                      + context.getThisTaskIndex() + "] ";
  
              // determine the number of shards so that we can restrict the
              // search
              ClusterSearchShardsRequest request = new ClusterSearchShardsRequest(
                      indexName);
              ClusterSearchShardsResponse shardresponse = client.admin()
                      .cluster().searchShards(request).actionGet();
              ClusterSearchShardsGroup[] shardgroups = shardresponse.getGroups();
              if (totalTasks != shardgroups.length) {
                  throw new RuntimeException(
                          "Number of ES spout instances should be the same as number of shards ("
                                  + shardgroups.length + ") but is " + totalTasks);
              }
              shardID = shardgroups[context.getThisTaskIndex()].getShardId();
              LOG.info("{} assigned shard ID {}", logIdprefix, shardID);
          }
  
          _collector = collector;
  
          this.eventCounter = context.registerMetric("counters",
                  new MultiCountMetric(), 10);
  
          context.registerMetric("buffer_size", new IMetric() {
              @Override
              public Object getValueAndReset() {
                  return buffer.size();
              }
          }, 10);
      } 
                              #location 10 
                              #vulnerability type THREAD_SAFETY_VIOLATION