parquet-common/src/main/java/org/apache/parquet/Log.java
public void warn(Object m, Throwable t) {
    logger.warn(String.valueOf(m), t);
  }
public void warn(Object m, Throwable t) {
    logger.warn(String.valueOf(m), t);
  }
prints a warn message
@param m a log message
@param t a throwable error