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[Mike Wylie <question205774@xxxxxxxxxxxxxxxxxxxxx>]

New question #205774 on Graphite:
https://answers.launchpad.net/graphite/+question/205774

Hi,

I get this same exception every second in the console.log file (exception below).  Could somebody point me in the right direction to fault find the problem?

I send about 300 metrics every 20 mins at present and they are not all getting recorded, so I think this error may be the cause of my problems.

Many thanks

14/08/2012 09:52:02 :: Sorted 1012 cache queues in 0.000527 seconds
14/08/2012 09:52:02 :: Unhandled Error
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 504, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/local/lib/python2.7/dist-packages/twisted/python/threadpool.py", line 167, in _worker
    result = context.call(ctx, function, *args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/twisted/python/context.py", line 118, in callWithContext
    return self.currentContext().callWithContext(ctx, func, *args, **kw)
  File "/usr/local/lib/python2.7/dist-packages/twisted/python/context.py", line 81, in callWithContext
    return func(*args,**kw)
--- <exception caught here> ---
  File "/opt/graphite/lib/carbon/writer.py", line 158, in writeForever
    writeCachedDataPoints()
  File "/opt/graphite/lib/carbon/writer.py", line 91, in writeCachedDataPoints
    for (metric, datapoints, dbFilePath, dbFileExists) in optimalWriteOrder():
  File "/opt/graphite/lib/carbon/writer.py", line 54, in optimalWriteOrder
    dbFileExists = exists(dbFilePath)
  File "/usr/lib/python2.7/genericpath.py", line 18, in exists
    os.stat(path)
exceptions.TypeError: must be encoded string without NULL bytes, not str



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