fix: add comprehensive error logging to GCS and S3 storage adapters
Enhance both GCS and S3 storage adapters with detailed logging to diagnose why getNode() returns null without error messages on container restart. Root Cause Identified: - BOTH storage adapters had silent failure pattern in getNode() - Outer catch blocks swallowed ALL errors (network, permission, JSON parse, etc.) - No distinction between "file not found" (expected) vs "actual error" (should throw) - This caused 100% failure rate on HNSW index rebuild after container restart Changes to GCS Storage (gcsStorage.ts): - Add success path logging: load attempt → download → parse → success - Add error logging at TOP of catch block before any conditional checks - Log full error details: type, code, message, HTTP status, complete error object - Log exact GCS path being accessed for debugging path mismatches - Distinguish 404 (return null) from other errors (throw) - Properly handle throttling errors Changes to S3 Storage (s3CompatibleStorage.ts): - Apply same comprehensive error logging as GCS - Add success path logging for each operation step - Add error logging before conditional checks - Handle S3-specific error format (NoSuchKey, $metadata.httpStatusCode) - Distinguish 404/NoSuchKey (return null) from other errors (throw) - Properly handle throttling errors Expected Outcome: - Next test run will reveal exact exception causing getNode() to return null - Same diagnostic capability for both GCS and S3 environments - Proper error handling prevents silent failures in production Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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2 changed files with 94 additions and 45 deletions
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@ -524,14 +524,22 @@ export class GcsStorage extends BaseStorage {
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const key = this.getNounKey(id)
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// DIAGNOSTIC LOGGING: Show exact path being accessed
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this.logger.trace(`Computed GCS key: ${key}`)
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prodLog.info(`[getNode] 🔍 Attempting to load:`)
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prodLog.info(`[getNode] UUID: ${id}`)
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prodLog.info(`[getNode] Path: ${key}`)
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prodLog.info(`[getNode] Bucket: ${this.bucketName}`)
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// Download from GCS
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const file = this.bucket!.file(key)
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prodLog.info(`[getNode] 📥 Downloading file...`)
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const [contents] = await file.download()
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prodLog.info(`[getNode] ✅ Download successful: ${contents.length} bytes`)
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// Parse JSON
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prodLog.info(`[getNode] 🔧 Parsing JSON...`)
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const data = JSON.parse(contents.toString())
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prodLog.info(`[getNode] ✅ JSON parsed successfully, id: ${data.id}`)
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// Convert serialized connections back to Map<number, Set<string>>
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const connections = new Map<number, Set<string>>()
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@ -558,23 +566,32 @@ export class GcsStorage extends BaseStorage {
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} catch (error: any) {
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this.releaseBackpressure(false, requestId)
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// DIAGNOSTIC LOGGING: Log EVERY error before any conditional checks
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const key = this.getNounKey(id)
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prodLog.error(`[getNode] ❌ EXCEPTION CAUGHT:`)
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prodLog.error(`[getNode] UUID: ${id}`)
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prodLog.error(`[getNode] Path: ${key}`)
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prodLog.error(`[getNode] Bucket: ${this.bucketName}`)
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prodLog.error(`[getNode] Error type: ${error?.constructor?.name || typeof error}`)
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prodLog.error(`[getNode] Error code: ${JSON.stringify(error?.code)}`)
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prodLog.error(`[getNode] Error message: ${error?.message || String(error)}`)
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prodLog.error(`[getNode] Error object:`, JSON.stringify(error, null, 2))
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// Check if this is a "not found" error
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if (error.code === 404) {
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// DIAGNOSTIC LOGGING: Upgrade 404 errors to WARN level with full details
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const key = this.getNounKey(id)
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prodLog.warn(`[getNode] ❌ 404 NOT FOUND: File does not exist at GCS path: ${key}`)
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prodLog.warn(`[getNode] UUID: ${id}`)
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prodLog.warn(`[getNode] Bucket: ${this.bucketName}`)
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prodLog.warn(`[getNode] This suggests a path mismatch or the file was not written correctly`)
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prodLog.warn(`[getNode] Identified as 404 error - returning null`)
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return null
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}
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// Handle throttling
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if (this.isThrottlingError(error)) {
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prodLog.warn(`[getNode] Identified as throttling error - rethrowing`)
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await this.handleThrottling(error)
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throw error
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}
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// All other errors should throw, not return null
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prodLog.error(`[getNode] Unhandled error - rethrowing`)
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this.logger.error(`Failed to get node ${id}:`, error)
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throw BrainyError.fromError(error, `getNoun(${id})`)
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}
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@ -1079,9 +1079,15 @@ export class S3CompatibleStorage extends BaseStorage {
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// Use getNounKey() to properly handle sharding
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const key = this.getNounKey(id)
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this.logger.trace(`Getting node ${id} from key: ${key}`)
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// DIAGNOSTIC LOGGING: Show exact path being accessed
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prodLog.info(`[getNode] 🔍 Attempting to load:`)
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prodLog.info(`[getNode] UUID: ${id}`)
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prodLog.info(`[getNode] Path: ${key}`)
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prodLog.info(`[getNode] Bucket: ${this.bucketName}`)
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// Try to get the node from the nouns directory
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prodLog.info(`[getNode] 📥 Downloading file...`)
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const response = await this.s3Client!.send(
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new GetObjectCommand({
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Bucket: this.bucketName,
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@ -1091,53 +1097,79 @@ export class S3CompatibleStorage extends BaseStorage {
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// Check if response is null or undefined
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if (!response || !response.Body) {
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this.logger.trace(`No node found for ${id}`)
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prodLog.warn(`[getNode] ❌ Response or Body is null/undefined`)
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return null
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}
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// Convert the response body to a string
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const bodyContents = await response.Body.transformToString()
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this.logger.trace(`Retrieved node body for ${id}`)
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prodLog.info(`[getNode] ✅ Download successful: ${bodyContents.length} bytes`)
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// Parse the JSON string
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try {
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const parsedNode = JSON.parse(bodyContents)
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this.logger.trace(`Parsed node data for ${id}`)
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prodLog.info(`[getNode] 🔧 Parsing JSON...`)
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const parsedNode = JSON.parse(bodyContents)
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prodLog.info(`[getNode] ✅ JSON parsed successfully, id: ${parsedNode.id}`)
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// Ensure the parsed node has the expected properties
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if (
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!parsedNode ||
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!parsedNode.id ||
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!parsedNode.vector ||
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!parsedNode.connections
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) {
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this.logger.warn(`Invalid node data for ${id}`)
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return null
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}
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// Convert serialized connections back to Map<number, Set<string>>
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const connections = new Map<number, Set<string>>()
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for (const [level, nodeIds] of Object.entries(parsedNode.connections)) {
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connections.set(Number(level), new Set(nodeIds as string[]))
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}
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const node = {
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id: parsedNode.id,
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vector: parsedNode.vector,
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connections,
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level: parsedNode.level || 0
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}
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this.logger.trace(`Successfully retrieved node ${id}`)
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return node
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} catch (parseError) {
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this.logger.error(`Failed to parse node data for ${id}:`, parseError)
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// Ensure the parsed node has the expected properties
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if (
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!parsedNode ||
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!parsedNode.id ||
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!parsedNode.vector ||
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!parsedNode.connections
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) {
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prodLog.error(`[getNode] ❌ Invalid node data structure for ${id}`)
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prodLog.error(`[getNode] Has id: ${!!parsedNode?.id}`)
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prodLog.error(`[getNode] Has vector: ${!!parsedNode?.vector}`)
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prodLog.error(`[getNode] Has connections: ${!!parsedNode?.connections}`)
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return null
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}
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} catch (error) {
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// Node not found or other error
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this.logger.trace(`Node not found for ${id}`)
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return null
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// Convert serialized connections back to Map<number, Set<string>>
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const connections = new Map<number, Set<string>>()
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for (const [level, nodeIds] of Object.entries(parsedNode.connections)) {
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connections.set(Number(level), new Set(nodeIds as string[]))
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}
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const node = {
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id: parsedNode.id,
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vector: parsedNode.vector,
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connections,
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level: parsedNode.level || 0
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}
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this.logger.trace(`Successfully retrieved node ${id}`)
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return node
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} catch (error: any) {
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// DIAGNOSTIC LOGGING: Log EVERY error before any conditional checks
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const key = this.getNounKey(id)
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prodLog.error(`[getNode] ❌ EXCEPTION CAUGHT:`)
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prodLog.error(`[getNode] UUID: ${id}`)
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prodLog.error(`[getNode] Path: ${key}`)
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prodLog.error(`[getNode] Bucket: ${this.bucketName}`)
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prodLog.error(`[getNode] Error type: ${error?.constructor?.name || typeof error}`)
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prodLog.error(`[getNode] Error name: ${error?.name}`)
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prodLog.error(`[getNode] Error code: ${JSON.stringify(error?.Code || error?.code)}`)
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prodLog.error(`[getNode] Error message: ${error?.message || String(error)}`)
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prodLog.error(`[getNode] HTTP status: ${error?.$metadata?.httpStatusCode}`)
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prodLog.error(`[getNode] Error object:`, JSON.stringify(error, null, 2))
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// Check if this is a "not found" error (S3 uses "NoSuchKey")
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if (error?.name === 'NoSuchKey' || error?.Code === 'NoSuchKey' || error?.$metadata?.httpStatusCode === 404) {
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prodLog.warn(`[getNode] Identified as 404/NoSuchKey error - returning null`)
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return null
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}
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// Handle throttling
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if (this.isThrottlingError(error)) {
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prodLog.warn(`[getNode] Identified as throttling error - rethrowing`)
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await this.handleThrottling(error)
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throw error
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}
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// All other errors should throw, not return null
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prodLog.error(`[getNode] Unhandled error - rethrowing`)
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this.logger.error(`Failed to get node ${id}:`, error)
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throw BrainyError.fromError(error, `getNoun(${id})`)
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}
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}
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