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https://issues.apache.org/jira/browse/BEAM-9548?focusedWorklogId=408383&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-408383
]
ASF GitHub Bot logged work on BEAM-9548:
----------------------------------------
Author: ASF GitHub Bot
Created on: 23/Mar/20 23:07
Start Date: 23/Mar/20 23:07
Worklog Time Spent: 10m
Work Description: pabloem commented on pull request #11163: [BEAM-9548]
Add better error handling to the TestStreamServiceController
URL: https://github.com/apache/beam/pull/11163#discussion_r396767924
##########
File path:
sdks/python/apache_beam/runners/interactive/caching/streaming_cache.py
##########
@@ -202,14 +207,24 @@ def _emit_from_file(self, fh, tail):
# The first line at pos = 0 is always the header. Read the line without
# the new line.
to_decode = line[:-1]
- if pos == 0:
- header = TestStreamFileHeader()
- header.ParseFromString(self._coder.decode(to_decode))
- yield header
+ proto_cls = TestStreamFileHeader if pos == 0 else TestStreamFileRecord
+ msg = self._try_parse_as(proto_cls, to_decode)
+ if msg:
+ yield msg
else:
- record = TestStreamFileRecord()
- record.ParseFromString(self._coder.decode(to_decode))
- yield record
+ break
+
+ def _try_parse_as(self, proto_cls, to_decode):
+ try:
+ msg = proto_cls()
+ msg.ParseFromString(self._coder.decode(to_decode))
+ except DecodeError:
+ _LOGGER.error(
+ 'Could not parse as %s. This can indicate that the cache is '
+ 'corruputed. Please restart the kernel. '
+ '\nfile: %s \nmessage: %s', proto_cls, self._path, to_decode)
+ msg = None
Review comment:
Do we just skip? This may mean that the file is corrupted? Should we stop
consuming (i.e. rethrow the exception)?
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Issue Time Tracking
-------------------
Worklog Id: (was: 408383)
Time Spent: 20m (was: 10m)
> Bad error handling with errors from TestStreamService when using Interactive
> Beam
> ---------------------------------------------------------------------------------
>
> Key: BEAM-9548
> URL: https://issues.apache.org/jira/browse/BEAM-9548
> Project: Beam
> Issue Type: Bug
> Components: runner-py-interactive
> Reporter: Sam Rohde
> Assignee: Sam Rohde
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The error handling when an error is generated on the GRPC server side is very
> verbose and hides the problem.
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