wei liu 7708abd8fe
fix: Prevent deadlock in runComponent when Prepare fails (#45609)
issue: #45068
When component.Prepare() fails (e.g., net listener creation error), the
sign channel was never closed, causing runComponent to block
indefinitely at <-sign. This resulted in the entire process hanging
after logging the error message.

Changes:
- Move close(sign) to defer statement in runComponent goroutine
- Ensures sign channel is always closed regardless of success/failure
- Allows proper error propagation through future.Await() mechanism

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Signed-off-by: Wei Liu <wei.liu@zilliz.com>
2025-11-18 15:41:40 +08:00
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