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https://github.com/element-hq/synapse
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Improve tracebacks on exceptions
Use failure.Failure to recover our failure, which will give us a useful stacktrace, unlike the rethrown exception.
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1 changed files with 9 additions and 3 deletions
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@ -28,6 +28,7 @@ from canonicaljson import (
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)
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from twisted.internet import defer
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from twisted.python import failure
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from twisted.web import server, resource
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from twisted.web.server import NOT_DONE_YET
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from twisted.web.util import redirectTo
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@ -131,12 +132,17 @@ def wrap_request_handler(request_handler, include_metrics=False):
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version_string=self.version_string,
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)
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except Exception:
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logger.exception(
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"Failed handle request %s.%s on %r: %r",
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# failure.Failure() fishes the original Failure out
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# of our stack, and thus gives us a sensible stack
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# trace.
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f = failure.Failure()
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logger.error(
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"Failed handle request %s.%s on %r: %r: %s",
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request_handler.__module__,
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request_handler.__name__,
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self,
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request
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request,
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f.getTraceback().rstrip(),
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)
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respond_with_json(
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request,
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