Multi_match - Error executing a search

Elastic Stack Elasticsearch
1

Hi all,

I'm trying to execute this query:

{
"from": 0,
"size": 10,
"query": {
"multi_match": {
"query": "test",
"fields": [ "RequestNumber^2","RequestStatus","Description"]
}
}
}

But I get the following error:

nested: NumberFormatException[For input string: "test"]

It seems like ES is expecting a number as value for the query parameter. If
I try to change the query as

.......
"query": 123,
.......

It actually works, well.....it returns results and not an error!

I'm using a brand new ES instance v0.90.7.

I have the feeling that I'm just doing something stupid! Any idea?

Thanks,
Luca

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2

I think I've found my error, I'm posting here the solution for future
readers but if anyone could confirm or add explanations it would be nice.

It seems like multi_match tries to convert "query" based on the type of the
field that ES is analyzing. For example: if in the fields list you have an
integer field, ES will try to convert "query" to integer when
"parsing/matching/analyzing" that field.

I've changed the query to

"fields": [ "_all"]

and everything looks fine now.

I've found a clue for this explanation here:

https://groups.google.com/forum/?fromgroups#!searchin/elasticsearch/multi_match/elasticsearch/shyPAR_Lv_g/-PMIArZaCjUJ

Please, feel free to correct me if I'm wrong or you have a better
explanation.

Thanks

On Thursday, December 5, 2013 11:05:27 AM UTC-8, Luca Rondanini wrote:

Hi all,

I'm trying to execute this query:

{
"from": 0,
"size": 10,
"query": {
"multi_match": {
"query": "test",
"fields": [ "RequestNumber^2","RequestStatus","Description"]
}
}
}

But I get the following error:

nested: NumberFormatException[For input string: "test"]

It seems like ES is expecting a number as value for the query parameter.
If I try to change the query as

.......
"query": 123,
.......

It actually works, well.....it returns results and not an error!

I'm using a brand new ES instance v0.90.7.

I have the feeling that I'm just doing something stupid! Any idea?

Thanks,
Luca

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1 Like
3

Correct, the analyzer used will be dependent on the field mapping:

https://github.com/elasticsearch/elasticsearch/blob/master/src/main/java/org/elasticsearch/index/query/MultiMatchQueryBuilder.java?source=cc#L120-L123

Ultimately the multi_match query will be converted into a boolean query,
which you can construct yourself, but your problem will still remain. You
cannot search a numeric field with a string. The _all field is mapped
different and therefore works.

Cheers,

Ivan

On Thu, Dec 5, 2013 at 11:14 AM, Luca Rondanini luca.rondanini@gmail.comwrote:

I think I've found my error, I'm posting here the solution for future
readers but if anyone could confirm or add explanations it would be nice.

It seems like multi_match tries to convert "query" based on the type of
the field that ES is analyzing. For example: if in the fields list you have
an integer field, ES will try to convert "query" to integer when
"parsing/matching/analyzing" that field.

I've changed the query to

"fields": [ "_all"]

and everything looks fine now.

I've found a clue for this explanation here:

Redirecting to Google Groups

Please, feel free to correct me if I'm wrong or you have a better
explanation.

Thanks

On Thursday, December 5, 2013 11:05:27 AM UTC-8, Luca Rondanini wrote:

Hi all,

I'm trying to execute this query:

{
"from": 0,
"size": 10,
"query": {
"multi_match": {
"query": "test",
"fields": [ "RequestNumber^2","RequestStatus","Description"]
}
}
}

But I get the following error:

nested: NumberFormatException[For input string: "test"]

It seems like ES is expecting a number as value for the query parameter.
If I try to change the query as

.......
"query": 123,
.......

It actually works, well.....it returns results and not an error!

I'm using a brand new ES instance v0.90.7.

I have the feeling that I'm just doing something stupid! Any idea?

Thanks,
Luca

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"elasticsearch" group.
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.

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