{"record":{"id":"a728002bef11d9fc","repo":"elastic/elasticsearch","slug":"size-must-be-a-positive-integer-size","errorCode":null,"errorMessage":"[size] must be a positive integer: [{size}]","messagePattern":"\\[size\\] must be a positive integer: \\[(.+?)\\]","errorType":"validation","errorClass":"IllegalArgumentException","httpStatus":null,"severity":"error","filePath":"modules/aggregations/src/main/java/org/elasticsearch/aggregations/pipeline/BucketSortPipelineAggregationBuilder.java","lineNumber":120,"sourceCode":"    @Override\n    protected void doWriteTo(StreamOutput out) throws IOException {\n        out.writeCollection(sorts);\n        out.writeVInt(from);\n        out.writeOptionalVInt(size);\n        gapPolicy.writeTo(out);\n    }\n\n    public BucketSortPipelineAggregationBuilder from(int from) {\n        if (from < 0) {\n            throw new IllegalArgumentException(\"[\" + FROM.getPreferredName() + \"] must be a non-negative integer: [\" + from + \"]\");\n        }\n        this.from = from;\n        return this;\n    }\n\n    public BucketSortPipelineAggregationBuilder size(Integer size) {\n        if (size != null && size <= 0) {\n            throw new IllegalArgumentException(\"[\" + SIZE.getPreferredName() + \"] must be a positive integer: [\" + size + \"]\");\n        }\n        this.size = size;\n        return this;\n    }\n\n    public BucketSortPipelineAggregationBuilder gapPolicy(GapPolicy gapPolicy) {\n        if (gapPolicy == null) {\n            throw new IllegalArgumentException(\"[\" + GAP_POLICY.getPreferredName() + \"] must not be null: [\" + name + \"]\");\n        }\n        this.gapPolicy = gapPolicy;\n        return this;\n    }\n\n    @Override\n    protected PipelineAggregator createInternal(Map<String, Object> metadata) {\n        return new BucketSortPipelineAggregator(name, sorts, from, size, gapPolicy, metadata);\n    }\n","sourceCodeStart":102,"sourceCodeEnd":138,"githubUrl":"https://github.com/elastic/elasticsearch/blob/db6a809a667c081ca1dc7500389d26975573215f/modules/aggregations/src/main/java/org/elasticsearch/aggregations/pipeline/BucketSortPipelineAggregationBuilder.java#L102-L138","documentation":"Error \"[size] must be a positive integer: [{size}]\" thrown in elastic/elasticsearch.","triggerScenarios":"Thrown at modules/aggregations/src/main/java/org/elasticsearch/aggregations/pipeline/BucketSortPipelineAggregationBuilder.java:120 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"db6a809a667c081ca1dc7500389d26975573215f","analyzedAt":"2026-08-12T01:39:14.192Z","schemaVersion":2},"datasetVersion":"2026-08-12T13:17:24.610Z"}