Troubleshooting handling compressed logs

Symptoms

You suffer from errors decoding your logs. For example you see strange format in the logs such as:

2018-11-19 11:29:49.393 STDIO [INFO] {
  "logs": {
    "log": "x�\\��N�0\f��<FΥjұM���2!�&q�B�uQ\u0013'j<�j��q�Q!r�e��~�W6�Ӡ���>���;\u001d��u̹\tK��\u000bPU\b�^�k�|ӫ\u0018(�٦ �uQV\fI�\u001f\u0016b)�v�⫆R���\u00102��\u0000�%��1\t4�dEA�40�9��7+Jj��y�:6\"D?�2�\u000b\u001e4��)�cɼV��j��k��ӂb\u001f���$o�d%\rd\u0000�2��\u0002ȶ�������\u000e��\u001fO�xK�����%�\u001e����O\f��n^M&���������E�~\u0000\u0000\u0000���&1:��ahfbn2\u001a\u001dT�\u000e�̼�"
  }
}

Resolution

Your punchline is most probably misconfigured. Check the input nodes (typically lumberjack) and try with:

"compression": true,