http://logstash.openstack.org/#eyJzZWFyY2giOiJtZXNzYWdlOlwiYidUeXBlRXJyb3I6IGV4cGVjdGVkIHN0cmluZyBvciBidWZmZXInXCIiLCJmaWVsZHMiOltdLCJvZmZzZXQiOjAsInRpbWVmcmFtZSI6IjQzMjAwIiwiZ3JhcGhtb2RlIjoiY291bnQiLCJ0aW1lIjp7InVzZXJfaW50ZXJ2YWwiOjB9LCJzdGFtcCI6MTQ0NDI0ODE5Njk3OX0=
message:"b'TypeError: expected string or buffer'"
http:// logstash. openstack. org/#eyJzZWFyY2 giOiJtZXNzYWdlO lwiYidUeXBlRXJy b3I6IGV4cGVjdGV kIHN0cmluZyBvci BidWZmZXInXCIiL CJmaWVsZHMiOltd LCJvZmZzZXQiOjA sInRpbWVmcmFtZS I6IjQzMjAwIiwiZ 3JhcGhtb2RlIjoi Y291bnQiLCJ0aW1 lIjp7InVzZXJfaW 50ZXJ2YWwiOjB9L CJzdGFtcCI6MTQ0 NDI0ODE5Njk3OX0 =
message: "b'TypeError: expected string or buffer'"