code: public void setOverflow() {
          isOverflow = true;
          if (com.ibm.ejs.ras.TraceComponent.isAnyTracingEnabled() && LoggingUtil.SESSION_LOGGER_CORE.isLoggable(Level.FINE)) {
              LoggingUtil.SESSION_LOGGER_CORE.logp(Level.FINE, methodClassName, "setOverflow", appNameAndIdString);
          }
      }
docs: /*
  (non-Javadoc)
  
  @see com.ibm.wsspi.session.ISession#setOverflow()