Why OCaml 4.07.1 gives almost identical backtrace in case of exception? ERROR: Writing file from Bigarray failed! ERROR: (Unix.Unix_error "Permission denied" map_file "") Raised at file "format.ml" (inlined), line 242, characters 35-52 Called from file "format.ml", line 469, characters 8-33 Called …

I just discussed this issue with XVilka on IRC and wish to set the record for those finding this page by google :slight_smile: , and it seems the key here is that Printexc.get_backtrace () should be the first thing done in the exception handler. Exn.to_string clobbers this value. Also a small corre…

OCaml and backtraces

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XVilka March 21, 2019, 10:52am 2

Oh, nevermind, found:

How to get useful backtraces?
Why are exception backtraces global?

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OCaml and backtraces

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