[tahoe-lafs-trac-stream] [Tahoe-LAFS] #1794: upload failed -- "I/O operation on closed file"
Tahoe-LAFS
trac at tahoe-lafs.org
Thu Dec 18 23:43:32 UTC 2014
#1794: upload failed -- "I/O operation on closed file"
------------------------------+----------------------------------
Reporter: zooko | Owner:
Type: defect | Status: new
Priority: normal | Milestone: undecided
Component: code-network | Version: 1.9.2
Resolution: | Keywords: upload error twisted
Launchpad Bug: |
------------------------------+----------------------------------
Comment (by zooko):
A customer (now former customer) of !LeastAuthority's S4 service, named
AB, reported a problem, and his `twistd.log` contains this:
{{{
2014-11-08 17:46:18+0000 [SSHService ssh-connection on
SSHServerTransport,1,127.0.0.1] adding 81920 to 49152 in channel 0
2014-11-08 17:46:18+0000 [SSHService ssh-connection on
SSHServerTransport,1,127.0.0.1] adding 81920 to 49152 in channel 0
2014-11-08 17:46:18+0000 [SSHService ssh-connection on
SSHServerTransport,1,127.0.0.1] adding 81920 to 49152 in channel 0
2014-11-08 17:46:37+0000 [-] Unhandled error in Deferred:
2014-11-08 17:46:37+0000 [-] Unhandled Error
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/nevow/flat/twist.py",
line 42, in cb
_drive(iterable, finished)
File "/usr/lib64/python2.7/site-packages/nevow/flat/twist.py",
line 26, in _drive
finished.callback('')
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 382, in callback
self._startRunCallbacks(result)
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 490, in _startRunCallbacks
self._runCallbacks()
--- <exception caught here> ---
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 577, in _runCallbacks
current.result = callback(current.result, *args, **kw)
File "/usr/lib64/python2.7/site-packages/nevow/appserver.py",
line 181, in _cbFinishRender
self.finishRequest( True )
File "/usr/lib64/python2.7/site-packages/nevow/appserver.py",
line 176, in finishRequest
server.Request.finish(self)
File "/usr/lib64/python2.7/site-packages/twisted/web/server.py",
line 228, in finish
return http.Request.finish(self)
File "/usr/lib64/python2.7/site-packages/twisted/web/http.py",
line 930, in finish
"Request.finish called on a request after its connection was
lost; "
exceptions.RuntimeError: Request.finish called on a request after
its connection was lost; use Request.notifyFinish to keep track of this.
2014-11-08 17:50:08+0000 [SSHServerTransport,1,127.0.0.1] Got remote
error, code 11
reason: disconnected by user
2014-11-08 17:50:08+0000 [SSHServerTransport,1,127.0.0.1] connection lost
2014-11-08 17:52:10+0000 [-] Log opened.
2014-11-08 17:52:10+0000 [-] twistd 14.0.0 (/usr/bin/python2.7 2.7.8)
starting up.
2014-11-08 17:52:10+0000 [-] reactor class:
twisted.internet.epollreactor.EPollReactor.
2014-11-08 17:52:10+0000 [-] Listener starting on 51077
2014-11-08 17:52:10+0000 [-] SSHFactory starting on 8022
2014-11-08 17:52:10+0000 [-] Starting factory
<allmydata.frontends.sftpd.SSHFactory instance at 0x7f9451502e18>
2014-11-08 17:52:10+0000 [-] NevowSite starting on 3456
2014-11-08 17:52:10+0000 [-] Starting factory <nevow.appserver.NevowSite
instance at 0x7f94510b4488>
2014-11-08 17:52:10+0000 [-] My pid: 16255
2014-11-08 17:52:10+0000 [-] DatagramProtocol starting on 47997
2014-11-08 17:52:10+0000 [-] Starting protocol
<twisted.internet.protocol.DatagramProtocol instance at 0x7f9450c6ddd0>
2014-11-08 17:52:10+0000 [-] (UDP Port 47997 Closed)
2014-11-08 17:52:10+0000 [-] Stopping protocol
<twisted.internet.protocol.DatagramProtocol instance at 0x7f9450c6ddd0>
2014-11-08 17:53:30+0000 [-] Exception rendering error page:
2014-11-08 17:53:30+0000 [-] Unhandled Error
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/foolscap/eventual.py",
line 26, in _turn
cb(*args, **kwargs)
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 382, in callback
self._startRunCallbacks(result)
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 490, in _startRunCallbacks
self._runCallbacks()
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 577, in _runCallbacks
current.result = callback(current.result, *args, **kw)
--- <exception caught here> ---
File "/usr/lib64/python2.7/site-packages/nevow/appserver.py",
line 82, in processingFailed
handler.renderHTTP_exception(ctx, reason)
File "/usr/lib64/python2.7/site-
packages/allmydata/web/common.py", line 332, in renderHTTP_exception
return self.simple(ctx, traceback, http.INTERNAL_SERVER_ERROR)
File "/usr/lib64/python2.7/site-
packages/allmydata/web/common.py", line 302, in simple
req.finishRequest(False)
File "/usr/lib64/python2.7/site-packages/nevow/appserver.py",
line 176, in finishRequest
server.Request.finish(self)
File "/usr/lib64/python2.7/site-packages/twisted/web/server.py",
line 228, in finish
return http.Request.finish(self)
File "/usr/lib64/python2.7/site-packages/twisted/web/http.py",
line 930, in finish
"Request.finish called on a request after its connection was
lost; "
exceptions.RuntimeError: Request.finish called on a request after
its connection was lost; use Request.notifyFinish to keep track of this.
2014-11-08 17:53:30+0000 [-] 'Original exception:'
2014-11-08 17:53:30+0000 [-] Unhandled Error
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 295, in addCallbacks
self._runCallbacks()
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 577, in _runCallbacks
current.result = callback(current.result, *args, **kw)
File "/usr/lib64/python2.7/site-
packages/allmydata/immutable/upload.py", line 752, in <lambda>
self._read_encrypted(length, ciphertext, hash_only, d2))
File "/usr/lib64/python2.7/site-
packages/allmydata/immutable/upload.py", line 767, in _read_encrypted
d = defer.maybeDeferred(self.original.read, size)
--- <exception caught here> ---
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 139, in maybeDeferred
result = f(*args, **kw)
File "/usr/lib64/python2.7/site-
packages/allmydata/immutable/upload.py", line 1467, in read
return defer.succeed([self._filehandle.read(length)])
exceptions.ValueError: I/O operation on closed file
2014-11-08 17:53:30+0000 [-] Unhandled error in Deferred:
2014-11-08 17:53:30+0000 [-] Unhandled Error
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-
packages/twisted/internet/base.py", line 824, in runUntilCurrent
call.func(*call.args, **call.kw)
File "/usr/lib64/python2.7/site-packages/foolscap/eventual.py",
line 26, in _turn
cb(*args, **kwargs)
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 382, in callback
self._startRunCallbacks(result)
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 490, in _startRunCallbacks
self._runCallbacks()
--- <exception caught here> ---
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 577, in _runCallbacks
current.result = callback(current.result, *args, **kw)
File "/usr/lib64/python2.7/site-packages/nevow/appserver.py",
line 91, in processingFailed
request.finishRequest( False )
File "/usr/lib64/python2.7/site-packages/nevow/appserver.py",
line 176, in finishRequest
server.Request.finish(self)
File "/usr/lib64/python2.7/site-packages/twisted/web/server.py",
line 228, in finish
return http.Request.finish(self)
File "/usr/lib64/python2.7/site-packages/twisted/web/http.py",
line 930, in finish
"Request.finish called on a request after its connection was
lost; "
exceptions.RuntimeError: Request.finish called on a request after
its connection was lost; use Request.notifyFinish to keep track of this.
2014-11-08 17:53:57+0000 [-] Unhandled error in Deferred:
2014-11-08 17:53:57+0000 [-] Unhandled Error
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 577, in _runCallbacks
current.result = callback(current.result, *args, **kw)
File "/usr/lib64/python2.7/site-packages/nevow/appserver.py",
line 169, in gotPageContext
self._cbFinishRender, pageContext
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 306, in addCallback
callbackKeywords=kw)
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 295, in addCallbacks
self._runCallbacks()
--- <exception caught here> ---
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 577, in _runCallbacks
current.result = callback(current.result, *args, **kw)
File "/usr/lib64/python2.7/site-packages/nevow/appserver.py",
line 181, in _cbFinishRender
self.finishRequest( True )
File "/usr/lib64/python2.7/site-packages/nevow/appserver.py",
line 176, in finishRequest
server.Request.finish(self)
File "/usr/lib64/python2.7/site-packages/twisted/web/server.py",
line 228, in finish
return http.Request.finish(self)
File "/usr/lib64/python2.7/site-packages/twisted/web/http.py",
line 930, in finish
"Request.finish called on a request after its connection was
lost; "
exceptions.RuntimeError: Request.finish called on a request after
its connection was lost; use Request.notifyFinish to keep track of this.
2014-11-08 17:54:28+0000 [-] Unhandled error in Deferred:
2014-11-08 17:54:28+0000 [-] Unhandled Error
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/nevow/flat/twist.py",
line 42, in cb
_drive(iterable, finished)
File "/usr/lib64/python2.7/site-packages/nevow/flat/twist.py",
line 26, in _drive
finished.callback('')
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 382, in callback
self._startRunCallbacks(result)
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 490, in _startRunCallbacks
self._runCallbacks()
--- <exception caught here> ---
File "/usr/lib64/python2.7/site-
packages/twisted/internet/defer.py", line 577, in _runCallbacks
current.result = callback(current.result, *args, **kw)
File "/usr/lib64/python2.7/site-packages/nevow/appserver.py",
line 181, in _cbFinishRender
self.finishRequest( True )
File "/usr/lib64/python2.7/site-packages/nevow/appserver.py",
line 176, in finishRequest
server.Request.finish(self)
File "/usr/lib64/python2.7/site-packages/twisted/web/server.py",
line 228, in finish
return http.Request.finish(self)
File "/usr/lib64/python2.7/site-packages/twisted/web/http.py",
line 930, in finish
"Request.finish called on a request after its connection was
lost; "
exceptions.RuntimeError: Request.finish called on a request after
its connection was lost; use Request.notifyFinish to keep track of this.
}}}
(plus much more of the same)
--
Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1794#comment:4>
Tahoe-LAFS <https://Tahoe-LAFS.org>
secure decentralized storage
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