Program: 62484
Project: 62484
Buggy source:
protected boolean establishEventStream(){
  try {
    if (!isEstablished) {
      eventBufferedReader=null;
      eventClient=ClientBuilder.newClient().property(ClientProperties.CONNECT_TIMEOUT,EVENT_STREAM_CONNECT_TIMEOUT).property(ClientProperties.READ_TIMEOUT,EVENT_STREAM_READ_TIMEOUT).register(new Authenticator((String)getConfig().get(USERNAME),vehicle.tokens[0]));
      eventTarget=eventClient.target(TESLA_EVENT_URI).path(vehicle.vehicle_id + "String_Node_Str").queryParam("String_Node_Str",StringUtils.join(EventKeys.values(),',',1,EventKeys.values().length));
      eventResponse=eventTarget.request(MediaType.TEXT_PLAIN_TYPE).get();
      logger.debug("String_Node_Str",eventResponse.getStatus(),eventResponse.getStatusInfo());
      if (eventResponse.getStatus() == 200) {
        InputStream dummy=(InputStream)eventResponse.getEntity();
        eventInputStreamReader=new InputStreamReader(dummy);
        eventBufferedReader=new BufferedReader(eventInputStreamReader);
        isEstablished=true;
      }
 else       if (eventResponse.getStatus() == 401) {
        isEstablished=false;
      }
 else {
        isEstablished=false;
      }
    }
  }
 catch (  Exception e) {
    logger.error("String_Node_Str",e.getMessage());
    isEstablished=false;
  }
  return isEstablished;
}

Fixed version (ground truth):
protected boolean establishEventStream(){
  try {
    if (!isEstablished) {
      eventBufferedReader=null;
      eventClient=ClientBuilder.newClient().property(ClientProperties.CONNECT_TIMEOUT,EVENT_STREAM_CONNECT_TIMEOUT).property(ClientProperties.READ_TIMEOUT,EVENT_STREAM_READ_TIMEOUT).register(new Authenticator((String)getConfig().get(USERNAME),vehicle.tokens[0]));
      eventTarget=eventClient.target(TESLA_EVENT_URI).path(vehicle.vehicle_id + "String_Node_Str").queryParam("String_Node_Str",StringUtils.join(EventKeys.values(),',',1,EventKeys.values().length));
      eventResponse=eventTarget.request(MediaType.TEXT_PLAIN_TYPE).get();
      logger.debug("String_Node_Str",eventResponse.getStatus(),eventResponse.getStatusInfo());
      if (eventResponse.getStatus() == 200) {
        InputStream dummy=(InputStream)eventResponse.getEntity();
        eventInputStreamReader=new InputStreamReader(dummy);
        eventBufferedReader=new BufferedReader(eventInputStreamReader);
        isEstablished=true;
      }
 else       if (eventResponse.getStatus() == 401) {
        isEstablished=false;
      }
 else {
        isEstablished=false;
      }
      if (!isEstablished) {
        eventIntervalErrors++;
        if (eventIntervalErrors >= EVENT_MAXIMUM_ERRORS_IN_INTERVAL) {
          logger.warn("String_Node_Str",EVENT_MAXIMUM_ERRORS_IN_INTERVAL,EVENT_ERROR_INTERVAL_SECONDS);
          updateStatus(ThingStatus.OFFLINE,ThingStatusDetail.COMMUNICATION_ERROR);
          eventClient.close();
        }
        if ((System.currentTimeMillis() - eventIntervalTimestamp) > 1000 * EVENT_ERROR_INTERVAL_SECONDS) {
          logger.trace("String_Node_Str",eventIntervalErrors);
          eventIntervalTimestamp=System.currentTimeMillis();
          eventIntervalErrors=0;
        }
      }
    }
  }
 catch (  Exception e) {
    logger.error("String_Node_Str",e.getMessage());
    isEstablished=false;
  }
  return isEstablished;
}