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Handle exceptions by using traceback.format_exc instead of extract_tb#58

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yxd-hde merged 3 commits intoHDE:masterfrom
danielthepope:handle-exceptions
Nov 25, 2019
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Handle exceptions by using traceback.format_exc instead of extract_tb#58
yxd-hde merged 3 commits intoHDE:masterfrom
danielthepope:handle-exceptions

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This fixes #57, where we were seeing TypeError: Object of type FrameSummary is not JSON serializable if the handler function throws an exception.

traceback.format_exc returns a string that can be easily turned into JSON.

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result = json.dumps({
"errorMessage": str(err[1]),
"stackTrace": traceback.extract_tb(err[2]),
"stackTrace": traceback.format_exc(),
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How about using traceback.format_tb(err[2]) instead?

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Good idea, that makes it look more like the error response provided by AWS now.

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Thanks for your PR. Would you please check my comment? Thanks!

@yxd-hde yxd-hde merged commit 9b2433e into HDE:master Nov 25, 2019
@danielthepope danielthepope deleted the handle-exceptions branch November 25, 2019 16:56
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Exceptions thrown in handler function make process hang

3 participants