Enhance error handling for collection checks on initialize (#3937)

src/services/code-index/vector-store/__tests__/qdrant-client.test.ts

@@ -201,19 +201,23 @@ describe("QdrantVectorStore", () => {
 			expect(mockQdrantClientInstance.createPayloadIndex).toHaveBeenCalledTimes(5)
 			;(console.warn as jest.Mock).mockRestore() // Restore console.warn
 		})
-		it("should re-throw error from getCollection if it is not a 404 error", async () => {
+		it("should log warning for non-404 errors but still create collection", async () => {
 			const genericError = new Error("Generic Qdrant Error")
 			mockQdrantClientInstance.getCollection.mockRejectedValue(genericError)
-			jest.spyOn(console, "error").mockImplementation(() => {}) // Suppress console.error
+			jest.spyOn(console, "warn").mockImplementation(() => {}) // Suppress console.warn
 
-			await expect(vectorStore.initialize()).rejects.toThrow(genericError)
+			const result = await vectorStore.initialize()
 
+			expect(result).toBe(true) // Collection was created
 			expect(mockQdrantClientInstance.getCollection).toHaveBeenCalledTimes(1)
-			expect(mockQdrantClientInstance.createCollection).not.toHaveBeenCalled()
+			expect(mockQdrantClientInstance.createCollection).toHaveBeenCalledTimes(1)
 			expect(mockQdrantClientInstance.deleteCollection).not.toHaveBeenCalled()
-			expect(mockQdrantClientInstance.createPayloadIndex).not.toHaveBeenCalled()
-			expect(console.error).toHaveBeenCalledTimes(2) // Once in the try/catch for getCollection, once in the outer try/catch
-			;(console.error as jest.Mock).mockRestore()
+			expect(mockQdrantClientInstance.createPayloadIndex).toHaveBeenCalledTimes(5)
+			expect(console.warn).toHaveBeenCalledWith(
+				expect.stringContaining(`Warning during getCollectionInfo for "${expectedCollectionName}"`),
+				genericError.message,
+			)
+			;(console.warn as jest.Mock).mockRestore()
 		})
 		it("should re-throw error from createCollection when no collection initially exists", async () => {
 			mockQdrantClientInstance.getCollection.mockRejectedValue({
@@ -260,7 +264,7 @@ describe("QdrantVectorStore", () => {
 			for (let i = 0; i <= 4; i++) {
 				expect(console.warn).toHaveBeenCalledWith(
 					expect.stringContaining(`Could not create payload index for pathSegments.${i}`),
-					indexError,
+					indexError.message,
 				)
 			}
 
@@ -322,17 +326,20 @@ describe("QdrantVectorStore", () => {
 		expect(mockQdrantClientInstance.getCollection).toHaveBeenCalledWith(expectedCollectionName)
 	})
 
-	it("should return false and log error for non-404 errors", async () => {
+	it("should return false and log warning for non-404 errors", async () => {
 		const genericError = new Error("Network error")
 		mockQdrantClientInstance.getCollection.mockRejectedValue(genericError)
-		jest.spyOn(console, "error").mockImplementation(() => {})
+		jest.spyOn(console, "warn").mockImplementation(() => {})
 
 		const result = await vectorStore.collectionExists()
 
 		expect(result).toBe(false)
 		expect(mockQdrantClientInstance.getCollection).toHaveBeenCalledTimes(1)
-		expect(console.error).toHaveBeenCalledWith("Error checking collection existence:", genericError)
-		;(console.error as jest.Mock).mockRestore()
+		expect(console.warn).toHaveBeenCalledWith(
+			expect.stringContaining(`Warning during getCollectionInfo for "${expectedCollectionName}"`),
+			genericError.message,
+		)
+		;(console.warn as jest.Mock).mockRestore()
 	})
 	describe("collectionExists", () => {
 		// Test scenarios for collectionExists will go here

src/services/code-index/vector-store/qdrant-client.ts

@@ -1,4 +1,4 @@
-import { QdrantClient } from "@qdrant/js-client-rest"
+import { QdrantClient, Schemas } from "@qdrant/js-client-rest"
 import { createHash } from "crypto"
 import * as path from "path"
 import { getWorkspacePath } from "../../../utils/path"
@@ -37,30 +37,50 @@ export class QdrantVectorStore implements IVectorStore {
 		this.collectionName = `ws-${hash.substring(0, 16)}`
 	}
 
+	private async getCollectionInfo(): Promise<Schemas["CollectionInfo"] | null> {
+		try {
+			const collectionInfo = await this.client.getCollection(this.collectionName)
+			return collectionInfo
+		} catch (error: unknown) {
+			if (error instanceof Error) {
+				console.warn(
+					`[QdrantVectorStore] Warning during getCollectionInfo for "${this.collectionName}". Collection may not exist or another error occurred:`,
+					error.message,
+				)
+			}
+			return null
+		}
+	}
+
 	/**
 	 * Initializes the vector store
 	 * @returns Promise resolving to boolean indicating if a new collection was created
 	 */
 	async initialize(): Promise<boolean> {
+		let created = false
 		try {
-			let created = false
+			const collectionInfo = await this.getCollectionInfo()
 
-			try {
-				// Directly attempt to fetch the specific collection
-				const collectionInfo = await this.client.getCollection(this.collectionName)
-
-				// Collection exists - check if vector size matches
+			if (collectionInfo === null) {
+				// Collection info not retrieved (assume not found or inaccessible), create it
+				await this.client.createCollection(this.collectionName, {
+					vectors: {
+						size: this.vectorSize,
+						distance: this.DISTANCE_METRIC,
+					},
+				})
+				created = true
+			} else {
+				// Collection exists, check vector size
 				const existingVectorSize = collectionInfo.config?.params?.vectors?.size
-
 				if (existingVectorSize === this.vectorSize) {
-					// Collection exists and has correct vector size
-					created = false
+					created = false // Exists and correct
 				} else {
-					// Collection exists but has wrong vector size - recreate it
+					// Exists but wrong vector size, recreate
 					console.warn(
 						`[QdrantVectorStore] Collection ${this.collectionName} exists with vector size ${existingVectorSize}, but expected ${this.vectorSize}. Recreating collection.`,
 					)
-					await this.client.deleteCollection(this.collectionName)
+					await this.client.deleteCollection(this.collectionName) // Known to exist
 					await this.client.createCollection(this.collectionName, {
 						vectors: {
 							size: this.vectorSize,
@@ -69,42 +89,31 @@ export class QdrantVectorStore implements IVectorStore {
 					})
 					created = true
 				}
-			} catch (error: any) {
-				// Check if this is a "Not Found" error (collection doesn't exist)
-				if (error?.response?.status === 404) {
-					// Collection doesn't exist - create it
-					await this.client.createCollection(this.collectionName, {
-						vectors: {
-							size: this.vectorSize,
-							distance: this.DISTANCE_METRIC,
-						},
-					})
-					created = true
-				} else {
-					// Other error - log and re-throw
-					console.error(`[QdrantVectorStore] Error checking collection ${this.collectionName}:`, error)
-					throw error
-				}
 			}
 
-			// Create payload indexes for pathSegments up to depth 5
+			// Create payload indexes
 			for (let i = 0; i <= 4; i++) {
 				try {
 					await this.client.createPayloadIndex(this.collectionName, {
 						field_name: `pathSegments.${i}`,
 						field_schema: "keyword",
 					})
-				} catch (indexError) {
-					console.warn(
-						`[QdrantVectorStore] Could not create payload index for pathSegments.${i} on ${this.collectionName}. It might already exist or there was an issue.`,
-						indexError,
-					)
+				} catch (indexError: any) {
+					const errorMessage = (indexError?.message || "").toLowerCase()
+					if (!errorMessage.includes("already exists")) {
+						console.warn(
+							`[QdrantVectorStore] Could not create payload index for pathSegments.${i} on ${this.collectionName}. Details:`,
+							indexError?.message || indexError,
+						)
+					}
 				}
 			}
-
 			return created
-		} catch (error) {
-			console.error("Failed to initialize Qdrant collection:", error)
+		} catch (error: any) {
+			console.error(
+				`[QdrantVectorStore] Failed to initialize Qdrant collection "${this.collectionName}":`,
+				error?.message || error,
+			)
 			throw error
 		}
 	}
@@ -295,16 +304,7 @@ export class QdrantVectorStore implements IVectorStore {
 	 * @returns Promise resolving to boolean indicating if the collection exists
 	 */
 	async collectionExists(): Promise<boolean> {
-		try {
-			// Prefer direct API call if supported
-			await this.client.getCollection(this.collectionName)
-			return true
-		} catch (error: any) {
-			if (error?.response?.status === 404) {
-				return false
-			}
-			console.error("Error checking collection existence:", error)
-			return false
-		}
+		const collectionInfo = await this.getCollectionInfo()
+		return collectionInfo !== null
 	}
 }