herbherbherb opened a new pull request, #28079: URL: https://github.com/apache/flink/pull/28079
## What is the purpose of the change
When `AdaptiveScheduler`'s `CreatingExecutionGraph` state receives a
non-null throwable from the `ExecutionGraphWithVertexParallelism`
future, Flink fails to construct/restore the execution graph and
immediately transitions the job to FAILED. Today the root-cause
throwable is logged at INFO, which makes incidents harder to detect and
triage in environments that rely on log severity for alerting.
This PR promotes that single failure log call from INFO to ERROR.
## Brief change log
- In `CreatingExecutionGraph#handleExecutionGraphCreation`, change the
log call in the `throwable != null` branch from `info(...)` to
`error(...)`. No other call sites are changed.
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