On 01.11.2010 05:21, Robert Haas wrote:
> There seem to be two cases in the code that can generate that error.
> One, attempting to open the file returns ENOENT. Two, after the data
> has been read, the last-removed position returned by
> XLogGetLastRemoved precedes the data we think we just read, implying
> that it was overwritten while we were in the process of reading it.
> Does your installation have debugging symbols? Can you figure out
> which case is triggering (inside XLogRead) and what the values of log,
> seg, lastRemovedLog, and lastRemovedSeg are?
An easy way to find out which ereport() it is is to "set
log_error_verbosity='verbose'" and re-run the test. You then get the
file and line number of the ereport in the log.
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