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Return appropriate error on null dims update instead of npe #125716

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Merged
merged 3 commits into from
Mar 26, 2025
Merged

Return appropriate error on null dims update instead of npe #125716

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0c52785
Return appropriate error on null dims update instead of npe
benwtrent Mar 26, 2025
fbe85a1
Update docs/changelog/125716.yaml
benwtrent Mar 26, 2025
7b19c30
Merge branch 'main' into bugfix/invalid-mapper-update-npe
benwtrent Mar 26, 2025
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5 changes: 5 additions & 0 deletions docs/changelog/125716.yaml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
pr: 125716
summary: Return appropriate error on null dims update instead of npe
area: Vector Search
type: bug
issues: []
25 changes: 25 additions & 0 deletions rest-api-spec/src/yamlRestTest/resources/rest-api-spec/test/search.vectors/40_knn_search.yml
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Expand Up @@ -605,3 +605,28 @@ setup:
- match: { hits.hits.0._score: $knn_score0 }
- match: { hits.hits.1._score: $knn_score1 }
- match: { hits.hits.2._score: $knn_score2 }
---
"Updating dim to null is not allowed":
- requires:
cluster_features: "mapper.npe_on_dims_update_fix"
reason: "dims update fix"
- do:
indices.create:
index: test_index

- do:
indices.put_mapping:
index: test_index
body:
properties:
embedding:
type: dense_vector
dims: 4
- do:
catch: bad_request
indices.put_mapping:
index: test_index
body:
properties:
embedding:
type: dense_vector
2 changes: 2 additions & 0 deletions server/src/main/java/org/elasticsearch/index/mapper/MapperFeatures.java
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Expand Up @@ -39,6 +39,7 @@ public class MapperFeatures implements FeatureSpecification {
static final NodeFeature UKNOWN_FIELD_MAPPING_UPDATE_ERROR_MESSAGE = new NodeFeature(
"mapper.unknown_field_mapping_update_error_message"
);
static final NodeFeature NPE_ON_DIMS_UPDATE_FIX = new NodeFeature("mapper.npe_on_dims_update_fix");

@Override
public Set<NodeFeature> getTestFeatures() {
Expand All @@ -64,6 +65,7 @@ public Set<NodeFeature> getTestFeatures() {
DOC_VALUES_SKIPPER,
RESCORE_VECTOR_QUANTIZED_VECTOR_MAPPING,
DateFieldMapper.INVALID_DATE_FIX,
NPE_ON_DIMS_UPDATE_FIX,
RESCORE_ZERO_VECTOR_QUANTIZED_VECTOR_MAPPING
);
}
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2 changes: 1 addition & 1 deletion server/src/main/java/org/elasticsearch/index/mapper/vectors/DenseVectorFieldMapper.java
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Expand Up @@ -154,7 +154,7 @@ public static class Builder extends FieldMapper.Builder {
}

return XContentMapValues.nodeIntegerValue(o);
}, m -> toType(m).fieldType().dims, XContentBuilder::field, Object::toString).setSerializerCheck((id, ic, v) -> v != null)
}, m -> toType(m).fieldType().dims, XContentBuilder::field, Objects::toString).setSerializerCheck((id, ic, v) -> v != null)
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nit: this is kinda gross to read; might help in the future to see that default value on a separate line which might have maybe might have made it more obvious that Objects::toString is needed here more similar to how this is formatted in DateScriptFieldType:65 which breaks this Parameter instantiation out into an arg per line.

.setMergeValidator((previous, current, c) -> previous == null || Objects.equals(previous, current))
.addValidator(dims -> {
if (dims == null) {
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2 changes: 1 addition & 1 deletion ...ors/src/main/java/org/elasticsearch/xpack/rank/vectors/mapper/RankVectorsFieldMapper.java
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Expand Up @@ -89,7 +89,7 @@ public static class Builder extends FieldMapper.Builder {
}

return XContentMapValues.nodeIntegerValue(o);
}, m -> toType(m).fieldType().dims, XContentBuilder::field, Object::toString).setSerializerCheck((id, ic, v) -> v != null)
}, m -> toType(m).fieldType().dims, XContentBuilder::field, Objects::toString).setSerializerCheck((id, ic, v) -> v != null)
.setMergeValidator((previous, current, c) -> previous == null || Objects.equals(previous, current))
.addValidator(dims -> {
if (dims == null) {
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25 changes: 25 additions & 0 deletions x-pack/plugin/src/yamlRestTest/resources/rest-api-spec/test/rank_vectors/rank_vectors.yml
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Expand Up @@ -135,3 +135,28 @@ setup:
id: "1"
body:
vector1: [[2, -1, 1], [[2, -1, 1]]]
---
"Updating dim to null is not allowed":
- requires:
cluster_features: "mapper.npe_on_dims_update_fix"
reason: "dims update fix"
- do:
indices.create:
index: test_index

- do:
indices.put_mapping:
index: test_index
body:
properties:
embedding:
type: rank_vectors
dims: 4
- do:
catch: bad_request
indices.put_mapping:
index: test_index
body:
properties:
embedding:
type: rank_vectors
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