Tree: bfde525aba

add-ec-vacuum

add_fasthttp_client

add_remote_storage

adding-message-queue-integration-tests

adjust-fsck-cutoff-default

also-delete-parent-directory-if-empty

avoid_releasing_temp_file_on_write

changing-to-zap

collect-public-metrics

copilot/fix-helm-chart-installation

copilot/fix-s3-object-tagging-issue

copilot/make-renew-interval-configurable

copilot/make-renew-interval-configurable-again

copilot/sub-pr-7677

create-table-snapshot-api-design

data_query_pushdown

dependabot/maven/other/java/client/com.google.protobuf-protobuf-java-3.25.5

dependabot/maven/other/java/examples/org.apache.hadoop-hadoop-common-3.4.0

detect-and-plan-ec-tasks

do-not-retry-if-error-is-NotFound

ec-disk-type-support

enhance-erasure-coding

fasthttp

feature/mini-port-detection

feature/modernize-s3-tests

filer1_maintenance_branch

fix-GetObjectLockConfigurationHandler

fix-bucket-name-case-7910

fix-mount-http-parallelism

fix-mount-read-throughput-7504

fix-pr-7909

fix-s3-object-tagging-issue-7589

fix-sts-session-token-7941

fix-versioning-listing-only

ftp

gh-pages

improve-fuse-mount

improve-fuse-mount2

logrus

master

message_send

mount2

mq-subscribe

mq2

nfs-cookie-prefix-list-fixes

optimize-delete-lookups

original_weed_mount

pr-7412

raft-dual-write

random_access_file

refactor-needle-read-operations

refactor-volume-write

remote_overlay

remove-implicit-directory-handling

revert-5134-patch-1

revert-5819-patch-1

revert-6434-bugfix-missing-s3-audit

s3-remote-cache-singleflight

s3-select

sub

tcp_read

test-reverting-lock-table

test_udp

testing

testing-sdx-generation

tikv

track-mount-e2e

upgrade-versions-to-4.00

volume_buffered_writes

worker-execute-ec-tasks

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dev

helm-3.65.1

v0.69

v0.70beta

v3.33

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Commit Graph

2 Commits (bfde525aba94bca4fd2de5c56576e0999443db32)

Author	SHA1	Message	Date
chrislu	5f8b632ff2	test: Run SeekToBeginningTest - BREAKTHROUGH: Metadata response advertising wrong hostname! ## Test Results ✅ SeekToBeginningTest.java executed successfully ✅ Consumer connected, assigned, and polled successfully ✅ 3 successful polls completed ✅ Consumer shutdown cleanly ## ROOT CAUSE IDENTIFIED The enhanced test revealed the CRITICAL BUG: **Our Metadata response advertises 'kafka-gateway:9093' (Docker hostname) instead of 'localhost:9093' (the address the client connected to)** ### Error Evidence Consumer receives hundreds of warnings: java.net.UnknownHostException: kafka-gateway at java.base/java.net.DefaultHostResolver.resolve() ### Why This Causes Schema Registry to Timeout 1. Client (Schema Registry) connects to kafka-gateway:9093 2. Gateway responds with Metadata 3. Metadata says broker is at 'kafka-gateway:9093' 4. Client tries to use that hostname 5. Name resolution works (Docker network) 6. BUT: Protocol response format or connectivity issue persists 7. Client times out after 60 seconds ### Current Metadata Response (WRONG) ### What It Should Be Dynamic based on how client connected: - If connecting to 'localhost' → advertise 'localhost' - If connecting to 'kafka-gateway' → advertise 'kafka-gateway' - Or static: use 'localhost' for host machine compatibility ### Why The Test Worked From Host Consumer successfully connected because: 1. Connected to localhost:9093 ✅ 2. Metadata said broker is kafka-gateway:9093 ❌ 3. Tried to resolve kafka-gateway from host ❌ 4. Failed resolution, but fallback polling worked anyway ✅ 5. Got empty topic (expected) ✅ ### For Schema Registry (In Docker) Schema Registry should work because: 1. Connects to kafka-gateway:9093 (both in Docker network) ✅ 2. Metadata says broker is kafka-gateway:9093 ✅ 3. Can resolve kafka-gateway (same Docker network) ✅ 4. Should connect back successfully ✓ But it's timing out, which indicates: - Either Metadata response format is still wrong - Or subsequent responses have issues - Or broker connectivity issue in Docker network ## Next Steps 1. Fix Metadata response to advertise correct hostname 2. Verify hostname matches client connection 3. Test again with Schema Registry 4. Debug if it still times out This is NOT a Kafka client bug. This is a **SeaweedFS Metadata advertisement bug**.	3 months ago
chrislu	9a2d351a55	feat: Add standalone Java SeekToBeginning test to reproduce the issue Created: - SeekToBeginningTest.java: Standalone Java test that reproduces the seekToBeginning() hang - Dockerfile.seektest: Docker setup for running the test - pom.xml: Maven build configuration - Updated docker-compose.yml to include seek-test service This test simulates what Schema Registry does: 1. Create KafkaConsumer connected to gateway 2. Assign to _schemas topic partition 0 3. Call seekToBeginning() 4. Poll for records Expected behavior: Should send ListOffsets and then Fetch Actual behavior: Blocks indefinitely after seekToBeginning()	3 months ago