{"action":"closed","issue":{"url":"https://api.github.com/repos/graphite-project/docker-graphite-statsd/issues/70","repository_url":"https://api.github.com/repos/graphite-project/docker-graphite-statsd","labels_url":"https://api.github.com/repos/graphite-project/docker-graphite-statsd/issues/70/labels{/name}","comments_url":"https://api.github.com/repos/graphite-project/docker-graphite-statsd/issues/70/comments","events_url":"https://api.github.com/repos/graphite-project/docker-graphite-statsd/issues/70/events","html_url":"https://github.com/graphite-project/docker-graphite-statsd/issues/70","id":386706703,"node_id":"MDU6SXNzdWUzODY3MDY3MDM=","number":70,"title":"Carbon crashing due to unhandled error","user":{"login":"jpzk","id":31909,"node_id":"MDQ6VXNlcjMxOTA5","avatar_url":"https://avatars3.githubusercontent.com/u/31909?v=4","gravatar_id":"","url":"https://api.github.com/users/jpzk","html_url":"https://github.com/jpzk","followers_url":"https://api.github.com/users/jpzk/followers","following_url":"https://api.github.com/users/jpzk/following{/other_user}","gists_url":"https://api.github.com/users/jpzk/gists{/gist_id}","starred_url":"https://api.github.com/users/jpzk/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jpzk/subscriptions","organizations_url":"https://api.github.com/users/jpzk/orgs","repos_url":"https://api.github.com/users/jpzk/repos","events_url":"https://api.github.com/users/jpzk/events{/privacy}","received_events_url":"https://api.github.com/users/jpzk/received_events","type":"User","site_admin":false},"labels":[{"id":649706718,"node_id":"MDU6TGFiZWw2NDk3MDY3MTg=","url":"https://api.github.com/repos/graphite-project/docker-graphite-statsd/labels/bug","name":"bug","color":"ee0701","default":true}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2018-12-03T08:26:20Z","updated_at":"2018-12-23T20:10:28Z","closed_at":"2018-12-23T20:10:28Z","author_association":"NONE","body":"## Scenario\r\n\r\nI'm running this https://github.com/graphite-project/docker-graphite-statsd docker image. And sometimes I get this error, which causes carbon to crash. Could the reason be, that I take a backup of the whisper folder while running (maybe corrupting the data?)\r\n\r\nEDIT: looks like a cache.py related issue?\r\n\r\n## Error log\r\n\r\n```\r\n01/12/2018 18:49:20 :: [console] Unhandled Error\r\nTraceback (most recent call last):\r\n File “/opt/graphite/lib/python3.6/site-packages/twisted/python/threadpool.py”, line 250, in inContext\r\n   result = inContext.theWork()\r\n File “/opt/graphite/lib/python3.6/site-packages/twisted/python/threadpool.py”, line 266, in <lambda>\r\n   inContext.theWork = lambda: context.call(ctx, func, *args, **kw)\r\n File “/opt/graphite/lib/python3.6/site-packages/twisted/python/context.py”, line 122, in callWithContext\r\n   return self.currentContext().callWithContext(ctx, func, *args, **kw)\r\n File “/opt/graphite/lib/python3.6/site-packages/twisted/python/context.py”, line 85, in callWithContext\r\n   return func(*args,**kw)\r\n--- <exception caught here> ---\r\n File “/opt/graphite/lib/carbon/writer.py”, line 189, in writeForever\r\n   writeCachedDataPoints()\r\n File “/opt/graphite/lib/carbon/writer.py”, line 98, in writeCachedDataPoints\r\n   (metric, datapoints) = cache.drain_metric()\r\n File “/opt/graphite/lib/carbon/cache.py”, line 187, in drain_metric\r\n   metric = self.strategy.choose_item()\r\n File “/opt/graphite/lib/carbon/cache.py”, line 116, in choose_item\r\n   return next(self.queue)\r\nbuiltins.StopIteration:\r\n```"}}
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