json_parse_exception Numeric value out of range of long

[max0x7ba]

Elasticsearch version:
elasticsearch-5.0.0
metricbeat-5.0.1

Plugins installed:
None

JVM version:
java version "1.8.0_45"
Java(TM) SE Runtime Environment (build 1.8.0_45-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.45-b02, mixed mode)

OS version:
Red Hat Enterprise Linux Server release 6.8 (Santiago) x86_64

Description of the problem including expected versus actual behavior:
Metricbeat sends system.filesystem.files field with value of 18446744073709551615, which is (2^64 - 1).

Steps to reproduce:

1. Enable metricset filesystem in metricbeat.modules -> module: system,
2. Start metricbeat.
3. Observe the warning in the log.

Provide logs (if relevant):
2016-11-22T05:35:17-05:00 WARN Can not index event (status=400): {"type":"mapper_parsing_exception","reason":"failed to parse [system.filesystem.files]","caused_by":{"type":"json_parse_exception","reason":"Numeric value (18446744073709551615) out of range of long (-9223372036854775808 - 9223372036854775807)\n at [Source: org.elasticsearch.common.bytes.BytesReference$MarkSupportingStreamInputWrapper@39fece1e; line: 1, column: 234]"}}

[clintongormley]

Hi @max0x7ba

This looks like an issue that should be opened on the metrics beat repo. Elasticsearch doesn't have support for unsigned longs.