Steve,
I'm happy to 'test' a fix when it becomes available. I should be
able to set up a scenario which triggers it on my dev machine.
Cheers!
Janna
On 02/12/2010 00:07, Steve Bayliss wrote:
I don't see a commit for this in maintenance-3.4, it would be good to get
this in (and into trunk) - and as the sanity build on this branch will have
the release artefacts available we could get someone to verify the fix.
Regards
Steve
-----Original Message-----
From: Asger Askov Blekinge [mailto:a...@statsbiblioteket.dk]
Sent: 01 December 2010 12:52
To: Support and info exchange list for Fedora users.
Subject: Re: [fcrepo-user] Occasional random (FilterSetup) Can't do next
doFilter() error
It is the same bug.
This is the process that cause the bug
1 .Fedora opens a stream to the data, and stores the stream in an
object.
2. Said object closes the stream when it is finalized
Often fedora then discards the object storing the stream, and passing
the stream on. But if the garbage collecter finalizes the store-object
before the stream is read, the stream is closed.
So far, we have regarded the bug to be not serious enough to warrant a
new release. I think it is fixed in the 3.4 Maintenance branch.
The only known workaround is to ensure that the fedora server is never
put under load, and have way to much memory, as this will hopefully
prevent the garbage collecter from running very often.
Hope this helps
Regards
On Tue, 2010-11-30 at 17:07 +0100, Steve Bayliss wrote:
This looks like it's the same as
https://jira.duraspace.org/browse/FCREPO-774 - looks like the same
exception.
Regards
Steve
-----Original Message-----
From: Janna Wemekamp [mailto:janna.wemek...@gmail.com]
Sent: 29 November 2010 20:25
To: Support and info exchange list for Fedora users.
Subject: Re: [fcrepo-user] Occasional random (FilterSetup) Can't do
next doFilter() error
Hi Jörg,
No solution yet. I still get it occasionally on two different
machines. I'm pleased (sort-of) that someone else is also encountering
this. What is your platform and which version of FC are you running?
Janna
On 30/11/2010 01:50, Jörg Panzer wrote:
Hello Janna,
i've got the same problem. The Servlet Interface is running fine,
but with the Rest API appears the error. Do you already found any
solution?
Thanks you in advance for your help.
Jörg
--
Am 21.10.2010 um 05:04 schrieb Janna Wemekamp:
I occasionally (and randomly) receive the following error when
retrieving large (100-2000) numbers of managed datastreams in
succession:
ERROR 2010-10-21 09:00:59.934 [TP-Processor11] (FilterSetup) Can't
do next doFilter()
java.io.IOException: Bad file descriptor
at java.io.FileInputStream.readBytes(Native Method)
[na:1.6.0_22]
at java.io.FileInputStream.read(FileInputStream.java:199)
[na:1.6.0_22]
at java.io.FilterInputStream.read(FilterInputStream.java:116)
[na:1.6.0_22]
at java.io.FilterInputStream.read(FilterInputStream.java:116)
[na:1.6.0_22]
at java.io.FilterInputStream.read(FilterInputStream.java:90)
[na:1.6.0_22]
(The full error log is attached.)
I've seen this error in FedoraCommons versions from 3.0 up to the
latest 3.4.1. The error this morning occurred in a 3.4.1
repository using the Akubra storage module, the FC supplied Tomcat
running under (RHEL's) Java 1.6.0_22 on an up to date RHEL 5.5
system.
It can happen if I'm retrieving a succession of (managed)
descMedatata datastreams (MODS) using the REST API; it can also
happen if I'm retrieving a succession of (managed) PDF2TEXT
datastreams when I'm updating a Solr index - again via the REST
API. I've been totally unable to force the error to occur. In most
cases, I'm the only user accessing the FC repository.
It's more of a nuisance than a show-stopper; I just have to
remember to check my application's error log each time.
Is this a Fedora problem or a REST API problem or a Java problem
or a RHEL+Java problem or ???
Thanks muchly!
Janna Wemekamp
Toldark Pty Limited
<fedora-bad-file-descriptor.log>--------------------------------------------
----------------------------------
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---
Jörg-H. Panzer
Georg-August-Universitaet Goettingen
Germany
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