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I am trying to group the results on a particular field by using the following query:
{
"from": 0,
"size": 0,
"fields": [
"exitPage.categoryId"
],
"aggs": {
"check": {
"terms": {
"field": "exitPage.categoryId"
}
}
}
}
Elasticsearch server throws this exception:
{
"error": "ClassCastException[null]",
"status": 500
}
and that too, on an intermittent basis - sometimes it returns results while sometimes it does not. There is no more descriptive information available in the server log.
Does anyone have a clue to this problem?
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