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1. Describe your incident:
hello after upgrading to 5.0 ==> 5.1.1 i have problem with agregation
the error is
Aggregation search failed (triggered 4 hours ago)
Event definition Cronjob Failure update (6472091e60f0bb677fb206e9) failed: Elasticsearch exception [type=illegal_argument_exception, reason=Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [full_message] in order to load field data by uninverting the inverted index. Note that this can use significant memory.].
2. Describe your environment:
*ubuntu server 20.4
- Package Version:
graylog 5.1.1
3. What steps have you already taken to try and solve the problem?
i follow the documentation for upgrading to 5.1.1 and i have no error when i have upgrade after upgrading i restart the server and i have this error
Aggregation search failed (triggered 4 hours ago)
Event definition Cronjob Failure update (6472091e60f0bb677fb206e9) failed: Elasticsearch exception [type=illegal_argument_exception, reason=Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [full_message] in order to load field data by uninverting the inverted index. Note that this can use significant memory.].
4. How can the community help?
if you have idea for helping me i take thanks you
its this who generate the error
