6-4 - Network communication layer unknown exception
Reminder
The meaning of this error code has been adjusted. If you are looking for information of this error code in Dubbo versions prior than (or equal) 3.1.4 or 3.2.0-beta.3, head to 99-0.
(This error code is currently absent.)
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Last modified January 3, 2023: Merge error code 3-3 to 3-8, 6-4 to 99-0. (#1796) (a687d30ae)