[GitHub] [arrow] kou commented on issue #10616: Having trouble getting Arrow and Red Parquet to work on OS X 10.15.7 (Catalina)

[GitBox <gi...@apache.org>]

kou commented on issue #10616:
URL: https://github.com/apache/arrow/issues/10616#issuecomment-1183863383

   In general, we can't call `fork()` after we have multiple living threads. We need to stop extra threads before we call `fork()`. We need to confirm what threads are running on `fork()` for it.
   
   Could you provide a backtrace when `objc_initializeAfterForkError()` is called?
   
   > ```text
   > objc[27898]: +[__NSCFConstantString initialize] may have been in progress in another thread when fork() was called. We cannot safely call it or ignore it in the fork() child process. Crashing instead. Set a breakpoint on objc_initializeAfterForkError to debug.
   > ```


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