# Aggregation error:

**URL:** <https://discuss.elastic.co/t/aggregation-error/106992>\
**Category:** Logstash\
**Created:** [November 9, 2017, 8:55am UTC](https://discuss.elastic.co/t/aggregation-error/106992 "2017-11-09T08:55:39Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![ssasporta](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ssasporta/32/13695_2.png) [@ssasporta](https://discuss.elastic.co/u/ssasporta)\
**Post date:** [November 9, 2017, 8:55am UTC](https://discuss.elastic.co/t/aggregation-error/106992/1 "2017-11-09T08:55:40Z")

</div>

Exception: `String can't be coerced into Fixnum`

`[2017-11-09T10:39:40,294][ERROR][logstash.filters.aggregate] Aggregate exception occurred {:error=>#<TypeError: String can't be coerced into Fixnum>, :code=>" map['processAvgTime'] ||= 0; map['processAvgTime'] += event.get('cputimeinmillisec'); map['counter'] ||= 0; map['counter'] += 1;\n if (map['counter'] == 96000)\n event.set('avgProcessTime' , (map['processAvgTime'] / map['counter']))\n event.set('Aggregation', true)\n #map['counter'] ||= 0 \n #map['processAvgTime'] ||= 0\n end\n ", :map=>{"processAvgTime"=>0}, :event_data=>{"runmode"=>"EJB", "customisation-level"=>"1", "offset"=>1692219, "inputserver"=>"cmwl01", "@metadata"=>{"beat"=>"filebeat", "ip_address"=>"127.0.0.1", "type"=>"doc"}, "eventutctime"=>"2017-09-11 03:52:52.563", "componentname"=>"CM", "source"=>"C:\\data\\XL\\cmwl01\\ABPAuditLog_20170100.log", "type"=>"beats", "errorcodeiffailure"=>"null", "tags"=>["beats_input_codec_plain_applied"], "threadid"=>"43", "apireturnstatus"=>"S", "@timestamp"=>2017-09-11T00:52:52.563Z, "apiname"=>"getValidValues", "cputimeinmillisec"=>"0.562", "@version"=>"1", "beat"=>{"hostname"=>"SHARONSA02V", "name"=>"SHARONSA02V", "version"=>"6.0.0-beta2"}, "host"=>"SHARONSA02V", "fields"=>{"index"=>"cmserver"}, "exceptiontype"=>"null", "username"=>"siti1319"}}`

**This is my Filter:**

filter{  
if [type] == "beats" {  
grok {  
break\_on\_match =\> true  
keep\_empty\_captures =\> false  
match =\> {  
message =\> [  
"%{NUMBER:threadid};%{TIMESTAMP\_ISO8601:eventutctime};%{DATA:username};%{JAVACLASS:apiname};%{WORD:apireturnstatus};%{WORD:componentname};%{BASE10NUM:customisation-level};%{BASE10NUM:cputimeinmillisec};%{WORD:runmode};%{WORD:errorcodeiffailure}",  
"%{NUMBER:threadid};%{TIMESTAMP\_ISO8601:eventutctime};%{DATA:username};%{JAVACLASS:apiname};%{WORD:apireturnstatus};%{WORD:componentname};%{BASE10NUM:customisation-level};%{BASE10NUM:cputimeinmillisec};%{WORD:runmode};(%{GREEDYDATA:errorcodeiffailure})\s\*%{GREEDYDATA:error\_description}"  
]  
}  
patterns\_dir =\> "C:\DoLense\Patterns\patterns"  
}  
date {  
match =\> ["eventutctime" , "yyyy-MM-dd HH:mm:ss.SSS"]  
}  
mutate {  
remove\_field =\> ["message"]  
}  
if [componentname] == "CM" {  
#add the weblogic server field. Need to be taken from source  
ruby {  
# isolate the server name from the "source" field  
# adding the field 'inputserver'  
code =\> "  
event.set('inputserver', event.get('source').split('\')[3])  
event.set('apiname', event.get('apiname').split('.').last)  
event.set('exceptiontype', 'null')  
if event.get('errorcodeiffailure') != 'null'  
require 'csv'  
CSV.foreach('C:\DoLense\logstash\cmerrortype.csv') do |rec|  
if rec[0] == event.get('errorcodeiffailure')  
event.set('exceptiontype', rec[1])  
end  
end  
end  
"  
}  
aggregate {  
task\_id =\> "%{inputserver}_%{exceptiontype}_%{apiname}\_{errorcodeiffailure}"  
code =\> " map['processAvgTime'] ||= 0; map['processAvgTime'] += event.get('cputimeinmillisec'); map['counter'] ||= 0; map['counter'] += 1;  
if (map['counter'] == 96000)  
event.set('avgProcessTime' , (map['processAvgTime'] / map['counter']))  
event.set('Aggregation', true)  
#map['counter'] ||= 0  
#map['processAvgTime'] ||= 0  
end  
"  
push\_map\_as\_event\_on\_timeout =\> true  
timeout =\> 500  
timeout\_tags =\> ['\_aggregatetimeout']  
#timeout\_code =\> "event.set('avgProcessTime' , ( event.get('processAvgTime') / event.get('counter') ) )"  
timeout\_code =\> "event.set('event\_counter', event.get('counter') \> 1)"  
} # aggregate  
} # if CM  
else  
{  
drop {}  
}  
} #if  
} #filter

Any idea?

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [December 7, 2017, 8:55am UTC](https://discuss.elastic.co/t/aggregation-error/106992/2 "2017-12-07T08:55:48Z")

</div>

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