场景2 nginx 错误日志格式:

nginx 错误日志格式:2016/09/01 11:23:36 [error] 28388#0: *14549 open() "/var/www/zjzc-web-frontEnd/images/account/profitBttom2.png" failed (2: No such file or directory), client: 10.168.102.19, server: localhost, request: "GET /images/account/profitBttom2.png HTTP/1.1", host: "wenjinbao.winfae.com", referrer: "https://wenjinbao.winfae.com/products/productList.html"filter {        grok {            match => [ "message" , "(?<timestamp>%{YEAR}[./-]%{MONTHNUM}[./-]%{MONTHDAY}[- ]%{TIME}) \[%{LOGLEVEL:severity}\] %{POSINT:pid}#%{NUMBER}: %{GREEDYDATA:errormessage}(?:, client: (?<remote_addr>%{IP}|%{HOSTNAME}))(?:, server: %{IPORHOST:server}?)(?:, request: %{QS:request})?(?:, upstream: (?<upstream>\"%{URI}\"|%{QS}))?(?:, host: %{QS:request_host})?(?:, referrer: \"%{URI:referrer}\")?"]        }}