- LOGGER.debug("expected msg: " + ByteBufUtils.bytesToHexString(headerExpected));
- LOGGER.debug("received msg: " + ByteBufUtils.bytesToHexString(headerReceived));
+ if (LOGGER.isDebugEnabled()) {
+ LOGGER.debug("expected msg: {}", ByteBufUtils.bytesToHexString(headerExpected));
+ LOGGER.debug("received msg: {}", ByteBufUtils.bytesToHexString(headerReceived));
+ }