CI: Fails with "Fluent::Plugin::ForwardOutput::NoNodesAvailable: no nodes are available" #4684
Description
Describe the bug
Sometimes, CI fails with "Fluent::Plugin::ForwardOutput::NoNodesAvailable: no nodes are available" on macOS platform.
1. Error: test: a node supporting responses(ForwardOutputTest): Fluent::Plugin::ForwardOutput::NoNodesAvailable: no nodes are available
/Users/runner/work/fluentd/fluentd/lib/fluent/plugin/out_forward/load_balancer.rb:55:in `select_healthy_node' /Users/runner/work/fluentd/fluentd/lib/fluent/plugin_helper/service_discovery/manager.rb:108:in` select_service'
/Users/runner/work/fluentd/fluentd/lib/fluent/plugin_helper/service_discovery.rb:82:in `service_discovery_select_service' /Users/runner/work/fluentd/fluentd/lib/fluent/plugin/out_forward.rb:375:in` try_write'
/Users/runner/work/fluentd/fluentd/test/plugin/test_out_forward.rb:57:in `try_write' /Users/runner/work/fluentd/fluentd/lib/fluent/plugin/output.rb:1216:in` try_flush'
/Users/runner/work/fluentd/fluentd/lib/fluent/plugin/out_forward.rb:353:in `try_flush' /Users/runner/work/fluentd/fluentd/lib/fluent/plugin/output.rb:1538:in` flush_thread_run'
/Users/runner/work/fluentd/fluentd/lib/fluent/plugin/output.rb:510:in `block (2 levels) in start' /Users/runner/work/fluentd/fluentd/lib/fluent/plugin_helper/thread.rb:78:in` block in thread_create'
To Reproduce
Run CI
Expected behavior
Succeeded
Your Environment
- Fluentd version:
- Package version:
- Operating system:
- Kernel version:Your Configuration
noneYour Error Log
See aboveAdditional context
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