Program: 29870
Project: 29870
Buggy source:
private DBService createDefaultDBService(){
  String dbServiceName=ServerParams.instance().getModuleParamString("String_Node_Str","String_Node_Str");
  if (Utils.isEmpty(dbServiceName)) {
    throw new RuntimeException("String_Node_Str");
  }
  DBService dbservice=null;
  Tenant defaultTenant=TenantService.instance().getDefaultTenant();
  boolean bDBOpened=false;
  while (!bDBOpened) {
    try {
      @SuppressWarnings("String_Node_Str") Class<DBService> serviceClass=(Class<DBService>)Class.forName(dbServiceName);
      Constructor<DBService> constructor=serviceClass.getConstructor(Tenant.class);
      dbservice=constructor.newInstance(defaultTenant);
      dbservice.initialize();
      dbservice.start();
      bDBOpened=true;
    }
 catch (    IllegalArgumentException e) {
      throw new RuntimeException("String_Node_Str" + dbServiceName,e);
    }
catch (    ClassNotFoundException e) {
      throw new RuntimeException("String_Node_Str" + dbServiceName + "String_Node_Str",e);
    }
catch (    NoSuchMethodException e) {
      throw new RuntimeException("String_Node_Str" + dbServiceName,e);
    }
catch (    SecurityException|InstantiationException|IllegalAccessException|InvocationTargetException e) {
      throw new RuntimeException("String_Node_Str" + dbServiceName,e);
    }
catch (    DBNotAvailableException e) {
      m_logger.info("String_Node_Str");
      try {
        Thread.sleep(db_connect_retry_wait_millis);
      }
 catch (      InterruptedException ex2) {
      }
    }
catch (    Throwable e) {
      throw new RuntimeException("String_Node_Str" + dbServiceName,e);
    }
  }
  return dbservice;
}

Fixed version (ground truth):
private DBService createDefaultDBService(){
  String dbServiceName=ServerParams.instance().getModuleParamString("String_Node_Str","String_Node_Str");
  if (Utils.isEmpty(dbServiceName)) {
    throw new RuntimeException("String_Node_Str");
  }
  DBService dbservice=null;
  Tenant defaultTenant=TenantService.instance().getDefaultTenant();
  boolean bDBOpened=false;
  while (!bDBOpened) {
    try {
      @SuppressWarnings("String_Node_Str") Class<DBService> serviceClass=(Class<DBService>)Class.forName(dbServiceName);
      Constructor<DBService> constructor=serviceClass.getConstructor(Tenant.class);
      dbservice=constructor.newInstance(defaultTenant);
      dbservice.initialize();
      dbservice.start();
      bDBOpened=true;
    }
 catch (    IllegalArgumentException e) {
      throw new RuntimeException("String_Node_Str" + dbServiceName,e);
    }
catch (    ClassNotFoundException e) {
      throw new RuntimeException("String_Node_Str" + dbServiceName + "String_Node_Str",e);
    }
catch (    NoSuchMethodException e) {
      throw new RuntimeException("String_Node_Str" + dbServiceName,e);
    }
catch (    SecurityException|InstantiationException|IllegalAccessException e) {
      throw new RuntimeException("String_Node_Str" + dbServiceName,e);
    }
catch (    InvocationTargetException e) {
      if (!(e.getTargetException() instanceof DBNotAvailableException)) {
        throw new RuntimeException("String_Node_Str" + dbServiceName,e);
      }
    }
catch (    DBNotAvailableException e) {
    }
catch (    Throwable e) {
      throw new RuntimeException("String_Node_Str" + dbServiceName,e);
    }
    if (!bDBOpened) {
      m_logger.info("String_Node_Str");
      try {
        Thread.sleep(db_connect_retry_wait_millis);
      }
 catch (      InterruptedException ex2) {
      }
    }
  }
  return dbservice;
}