Think about if this is a good exception type

[todo]

https://github.com/nivelle/java-all/blob/e2e0879dd6e8f65ca0d3de190b59186b2a859e6e/"b/notes/netty/netty\346\272\220\347\240\201\350\247\243\346\236\220\344\271\213clientBootstrap\346\240\270\345\277\203\346\272\220\347\240\201.md"#L223-L228

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This issue was generated by todo based on a TODO comment in e2e0879. It's been assigned to @undefined because they committed the code.