tvalentyn commented on code in PR #32269:
URL: https://github.com/apache/beam/pull/32269#discussion_r1725450831
##########
sdks/python/apache_beam/utils/subprocess_server.py:
##########
@@ -385,7 +385,8 @@ def local_jar(cls, url, cache_dir=None):
os.rename(cached_jar + '.tmp', cached_jar)
except URLError as e:
raise RuntimeError(
- 'Unable to fetch remote job server jar at %s: %s' % (url, e))
+ 'Unable to fetch remote job server jar at %s: %s. If no Internet'
+ ' access at runtime, stage the jar at %s' % (url, e, cache_dir))
Review Comment:
nit: consider using f-strings.
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