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-rw-r--r--python/fatcat_tools/harvest/doi_registrars.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/python/fatcat_tools/harvest/doi_registrars.py b/python/fatcat_tools/harvest/doi_registrars.py
index abf92792..133a3f01 100644
--- a/python/fatcat_tools/harvest/doi_registrars.py
+++ b/python/fatcat_tools/harvest/doi_registrars.py
@@ -113,6 +113,8 @@ class HarvestCrossrefWorker:
# crude backoff; now redundant with session exponential
# backoff, but allows for longer backoff/downtime on remote end
print("got HTTP {}, pausing for 30 seconds".format(http_resp.status_code))
+ # keep kafka producer connection alive
+ producer.poll(0)
time.sleep(30.0)
continue
http_resp.raise_for_status()