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Instantiating a new client may result in a fatal failure if the bootstrap server cannot be resolved due to misconfiguration or transient network issues such as slow DNS. This is suboptimal for several reasonsbecause of, including the fact that the ConfigException exception type does not accurately reflect the root cause of the problem, and it doesn't allow users to retry to resolve transient issues.  It would be more effective to provide a grace period for retry attempts before ultimately failing.

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