On Apr 24 2015, Nikolaus Rath <[email protected]> wrote:
> On Apr 24 2015, [email protected] wrote:
>> Hello,
>>
>> Sometimes, I see these errors (two time for the moment) :
>>
>> <<
>> mount.s3ql[26219:Thread-10] s3ql.backends.common.wrapped: Encountered
>> HTTPError exception (502 Bad Gateway), retrying call to ObjectW.close for
>> the 3-th time...
>> mount.s3ql[26219:Thread-10] s3ql.backends.common.wrapped: Encountered
>> HTTPError exception (502 Bad Gateway), retrying call to ObjectW.close for
>> the 4-th time...
>> mount.s3ql[26219:Thread-10] s3ql.backends.common.wrapped: Encountered
>> HTTPError exception (502 Bad Gateway), retrying call to ObjectW.close for
>> the 5-th time...
>> mount.s3ql[26219:Thread-10] s3ql.backends.common.wrapped: Encountered
>> HTTPError exception (502 Bad Gateway), retrying call to ObjectW.close for
>> the 6-th time...
>> ...
>>>>
>>
>> This kind of error continue until I restart the S3QL process.
>> For example, this error occur during more than 9 hours (retrying call to
>> ObjectW.close for the 129-th time...).
>> Like the message said, during this error I can't access to the S3QL
>> partition.
>>
>> But when I kill the process and start it, the S3QL partition works again.
>> So I don't understand why the "mount.s3ql" said that there is a 502 error
>> (because when I restart, the gateway respond directly) ?
>
> Hmm. After a 502 error S3QL tries to re-establish the connection
> completely. The only difference is that it does not attempt to contact
> the auth server again.
Looking at the code, I was actually not remembering this correctly. S3QL
connects the auth server every time the HTTP connection needs to
re-established.
However, it is possible that the server sends you a 502 error without
closing the connection. In this case you'd see the above behavior.
Could you enable debug logging and try to reproduce this problem? Just
mount the file system with `mount.s3ql --debug-modules
s3ql.backends.swift'.
Best,
-Nikolaus
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