Program: 88584
Project: 88584
Buggy source:
/** 
 * Logs in to teamwork using the initially loaded teamwork account. If that account is already in use, will load/generate and attempt to log in with additional sets of credentials, up to the limit specified in applicationAccounts.
 * @throws FileNotFoundException missing credentialsLocation
 * @throws UnsupportedEncodingException logMessage failures
 * @throws InterruptedException cancel triggered and caught by cancel handler
 * @throws IllegalAccessException access failure with loaded credentials
 */
private void loginTeamwork() throws FileNotFoundException, UnsupportedEncodingException, InterruptedException, IllegalAccessException {
  MDKHelper.setPopupsDisabled(true);
  String message="String_Node_Str";
  logMessage(message);
  ITeamworkService twcService=EsiUtils.getTeamworkService();
  for (int i=1; i <= applicationAccounts; i++) {
    try {
      String appendage=(i == 1 ? "String_Node_Str" : Integer.toString(i));
      loadCredentials(appendage);
    }
 catch (    IOException e) {
      error=100;
      message="String_Node_Str" + Paths.get(credentialsLocation).toAbsolutePath().toString();
      logMessage(message);
      throw new IllegalStateException(message,e);
    }
    if (i == 1) {
      try {
        reportStatus("String_Node_Str",debug);
      }
 catch (      IOException e) {
        throw new IllegalAccessException("String_Node_Str" + teamworkUsername + "String_Node_Str");
      }
    }
    twcService.login(new ServerLoginInfo(teamworkServer + "String_Node_Str" + Integer.parseInt(teamworkPort),teamworkUsername,teamworkPassword,true),true);
    if (twcService.isConnected()) {
      MDKHelper.setMMSLoginCredentials(teamworkUsername,teamworkPassword);
      message="String_Node_Str" + teamworkUsername + "String_Node_Str"+ teamworkServer+ "String_Node_Str"+ teamworkPort;
      logMessage(message);
      break;
    }
    message="String_Node_Str" + teamworkUsername + "String_Node_Str"+ teamworkServer+ "String_Node_Str"+ teamworkPort;
    logMessage(message);
  }
  if (!twcService.isConnected()) {
    error=101;
    message="String_Node_Str";
    logMessage(message);
    throw new IllegalStateException(message);
  }
  twLogin=true;
  checkCancel();
}

Fixed version (ground truth):
/** 
 * Logs in to teamwork using the initially loaded teamwork account. If that account is already in use, will load/generate and attempt to log in with additional sets of credentials, up to the limit specified in applicationAccounts.
 * @throws FileNotFoundException missing credentialsLocation
 * @throws UnsupportedEncodingException logMessage failures
 * @throws InterruptedException cancel triggered and caught by cancel handler
 * @throws IllegalAccessException access failure with loaded credentials
 */
private void loginTeamwork() throws FileNotFoundException, UnsupportedEncodingException, InterruptedException, IllegalAccessException {
  MDKHelper.setPopupsDisabled(true);
  String message="String_Node_Str";
  logMessage(message);
  ITeamworkService twcService=EsiUtils.getTeamworkService();
  boolean reported=false;
  for (int i=1; i <= applicationAccounts; i++) {
    try {
      String appendage=(i == 1 ? "String_Node_Str" : Integer.toString(i));
      loadCredentials(appendage);
    }
 catch (    IOException e) {
      error=100;
      message="String_Node_Str" + Paths.get(credentialsLocation).toAbsolutePath().toString();
      logMessage(message);
      throw new IllegalStateException(message,e);
    }
    if (!reported) {
      try {
        reportStatus("String_Node_Str",debug);
        reported=true;
      }
 catch (      IOException ignored) {
      }
    }
    twcService.login(new ServerLoginInfo(teamworkServer + "String_Node_Str" + Integer.parseInt(teamworkPort),teamworkUsername,teamworkPassword,true),true);
    if (twcService.isConnected()) {
      MDKHelper.setMMSLoginCredentials(teamworkUsername,teamworkPassword);
      message="String_Node_Str" + teamworkUsername + "String_Node_Str"+ teamworkServer+ "String_Node_Str"+ teamworkPort;
      logMessage(message);
      break;
    }
    message="String_Node_Str" + teamworkUsername + "String_Node_Str"+ teamworkServer+ "String_Node_Str"+ teamworkPort;
    logMessage(message);
  }
  if (!twcService.isConnected()) {
    error=101;
    message="String_Node_Str";
    logMessage(message);
    throw new IllegalStateException(message);
  }
  twLogin=true;
  checkCancel();
}