FAQ Database Discussion Community


_grokparsefailure on successful match

logstash,syslog,grok,logstash-grok
I started using logstash to manage syslog. In order to test it I am sending from a remote machine simple messges and try to parse them with logstash. The only Logstash configuration, used via the command line: input { syslog { type => syslog port => 5514 } } filter...

how to match several possible log events formats?

logstash,grok,logstash-grok
I have events from one log source which can have several known formats. As an example 10:45 Today is Monday 11:13 The weather is nice 12:00 The weather is cloudy I can match each of them via The weather is %{WORD:weather} Today is %{WORD:weekday} I am not yet comfortable with...

Logstash _grokparsefailure

logstash,grok
Would someone be able to add some clarity please? My grok pattern works fine when I test it against grokdebug and grokconstructor, but then I put it in Logastash it fails from the beginning. Any guidance would be greatly appreciated. Below is my filter and example log entry....

logstash multiline codec with java stack trace

logging,elasticsearch,logstash,grok,logstash-grok
I am trying to parse a log file with grok. the configuration I use allows me to parse a single lined event but not if multilined (with java stack trace). #what i get on KIBANA for a single line: { "_index": "logstash-2015.02.05", "_type": "logs", "_id": "mluzA57TnCpH-XBRbeg", "_score": null, "_source": {...

logstash grok remove fqdn from hostname and igone ip

json,logstash,grok,logstash-grok
my logstash input receive jsons that look like that: {"src":"comp1.google.com","dst":"comp2.yehoo.com","next_hope":"router4.ccc.com"} and also the json can look like this ( some keys can hold ip instead of host name: {"src":"comp1.google.com","dst":"192.168.1.20","next_hope":"router4.ccc.com"} i want to remove the fqdn and if its contain ip (ignore it)to leave it with the ip i tried this...

logstash grok filter ignore certain parts of message

logstash,syslog,grok
I have a drupal watchdog log file that starts with syslog things like timestamp etc, and then has a pipe delimited number of things that I logged in watchdog. Now I am writing a grok filter rule to get fields out of that. I have a few URLs in the...

Grok with Logstash - Logs from windows and linux - how?

filter,logstash,grok
My Grok filter for LogStash: bin/logstash -e ' input { stdin { } } filter { grok { match => { "message" => "%{SYSLOGTIMESTAMP:syslog_timestamp} %{SYSLOGHOST:syslog_hostname} %{DATA:syslog_program}(?:\[%{POSINT:syslog_pid}\])?: %{GREEDYDATA:syslog_message}" } } } output { stdout { codec => rubydebug } }' It is perfect for my Linux logins logs: Mar 9 14:18:20...

How to extract CPU Usage details from the log file in logstash

filter,cpu-usage,logstash,grok
I am trying to extract the CPU usage and timestamp from the message: 2015-04-27T11:54:45.036Z| vmx| HIST ide1 IRQ 4414 42902 [ 250 - 375 ) count: 2 (0.00%) min/avg/max: 250/278.50/307 I am using logstash and here is my logstash.config file: input { file { path => "/home/xyz/Downloads/vmware.log" start_position => beginning...

logstash grok parse user agent string parse certain fields

logstash,grok,logstash-grok
I have this UA in a log file Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2267.0 Safari/537.36 Now all I really want is to grab things like Windows NT 6.1 (i.e. win7) and WOW64 i.e. 64 bit system. My current grok filter parses all the things out and...

Logstash Multiple Log Formats

apache,logging,logstash,grok
So, we're looking at some kind of log aggregator as having logs all over the place is not scaling. I've been looking at Logstash, and was able to get an instance with kibana up and running last night, but there were some problems. For instance, with the geoip using our...

Logstash grok parse error parsing log file

parsing,logstash,grok
I am trying to parse this log format: http://localhost:8080/,200,OK,11382,date=Mon 27 Apr 2015 12:56:33 GMT;newheader=foo;connection=close;content-type=text/html;charset=ISO-8859-1;server=Apache-Coyote/1.1; with this config file: input { stdin{} } filter { grok { match => [ "message" , "%{URI:uriaccessed},%{NUMBER:httpcode},%{WORD:httpcodeverb},%{NUMBER:bytes},date=%{TIMESTAMP_ISO8601:logtimestamp};%{GREEDYDATA:msg}"] } mutate{ convert => ["httpcode","integer"] convert => ["bytes","integer"] } date { locale => "en" match => [...

Search for parse errors in logstash/grok

logstash,kibana,grok,kibana-4
I´m using the elk stack to analyze log data and have to handle large volumes of log data. It looks like all the logs can be parsed with logstash/grok. Is there a way to search with kibana for loglines that couldn´t be parsed?...

Update @timetamp field in logstash with custom timestamp value

elasticsearch,logstash,grok,logstash-grok,logstash-forwarder
I have following logstash config file for parsing following exception stack trace. stacktrace 2015-03-02 09:01:51,040 [com.test.MyClass] ERROR - execution resulted in Exception com.test.core.MyException <exception line1> <exception line2> 2015-03-02 09:01:51,040 [com.test.MyClass] ERROR - Encountered Exception, terminating execution Config File: input { stdin {} } filter { multiline { pattern => "(^%{TIMESTAMP_ISO8601})...

Logstash patter for log4j

log4j,logstash,grok
I'm setting up Elasticsearch, Logstash and Kibana. I encountered an error when I am configuring "logstash.conf". Here's the error I got. {:timestamp=>"2015-05-25T21:56:59.907000-0400", :message=>"Error: Expected one of #, {, ,, ] at line 12, column 49 (byte 265) after filter {\n grok {\n match => [\"message\", \"<log4j:event logger=\""} {:timestamp=>"2015-05-25T21:56:59.915000-0400", :message=>"You may...

Grok pattern with this log line

regex,pattern-matching,logstash,grok,logstash-grok
basically I need to filter out Date - SEVERITY - JAVACLASSNAME - ERROR MESSAGE. This is working for me..But its just half done. (?[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2},[0-9]{3}) %{WORD:Severity}(?:%{GREEDYDATA:msg}) It doesnt show Javaclass..! Here is the output I get { "Timestamp": [ [ "2015-03-03 03:12:16,978" ] ], "Severity": [ [ "INFO" ] ],...

How can i use grok filter to get the matched messages in the tomcat logs?

tomcat,filter,logstash,grok
I'm getting different different information in the tomcat logs. I want only the line with the message "Server startup in" . Im using the grok filter in the logstash,but im unable to get the only one filtered message with that message. I'm getting all the messages in the logs of...

can't force GROK parser to enforce integer/float types on haproxy logs

types,mapping,logstash,kibana,grok
Doesn't matter if integer/long or float, fields like time_duration (all time_* really ) map as strings in kibana logstash index. I tried using mutate (https://www.elastic.co/blog/little-logstash-lessons-part-using-grok-mutate-type-data) did not work either. How can i correctly enforce numeric type instead of strings on these fields? My /etc/logstash/conf.d/haproxy.conf: input { syslog { type =>...

logstash if statement within grok statement

logstash,grok,logstash-grok
I'm creating a logstash grok filter to pull events out of a backup server, and I want to be able to test a field for a pattern, and if it matches the pattern, further process that field and pull out additional information. To that end I'm embedding an if statement...

Pattern failure with grok due a longer integer in a column

elasticsearch,logstash,grok,logstash-grok
I have used grok debugger to get the top format working and it is being seen fine by elasticsearch. Eventually, when a log line like the one below hit it shoots out a tag with "grokparsefailure" due to the extra space before each integer (I'm assuming). Is there a tag...

have a grok filter create nested fields as a result

logstash,syslog,grok
I have a drupal watchdog syslog file that I want to parse into essentially two nested fields, the syslog part and the message part so that I get this result syslogpart: { timestamp: "", host: "", ... }, messagepart:{ parsedfield1: "", parsedfield2: "", ... } I tried making a custom...

Trim field value, or remove part of the value

logstash,trim,grok,logstash-grok
I am trying to adjust path name so that it no longer has the time stamp attached to the end. I am input many different logs so it would be impractical to write a conditional filter for every possible log. If possible I would just like to trim the last...

Logstash Grok filter for uwsgi logs

logstash,grok,logstash-grok
I'm a new user to ELK stack. I'm using UWSGI as my server. I need to parse my uwsgi logs using Grok and then analyze them. Here is the format of my logs:- [pid: 7731|app: 0|req: 357299/357299] ClientIP () {26 vars in 511 bytes} [Sun Mar 1 07:47:32 2015] GET...