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Posted to fop-dev@xmlgraphics.apache.org by ali farahani <al...@ebs.ir> on 2003/07/16 15:55:07 UTC
Is there anybody out there?
To all FOP developers
The out of memory problem of FOP is getting critical for our company .
So this is an offer for a FOP developer who can fix this problem. If
anyone of you can fix this problem please contact me and we can talk
about the offer. We are open for the price.
Best Regards
Ali Farahani
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Re: Is there anybody out there?
Posted by Glen Mazza <gr...@yahoo.com>.
Ali,
Have you considered http://www.renderx.com for their
commercial processor? That may be the best solution
for you at this moment. Regrettably, FOP is just not
ready for your needs yet.
Thanks,
Glen
--- ali farahani <al...@ebs.ir> wrote:
> To all FOP developers
>
> The out of memory problem of FOP is getting critical
> for our company .
>
> So this is an offer for a FOP developer who can fix
> this problem. If
> anyone of you can fix this problem please contact me
> and we can talk
> about the offer. We are open for the price.
>
> Best Regards
> Ali Farahani
>
>
>
---------------------------------------------------------------------
> To unsubscribe, e-mail:
> fop-dev-unsubscribe@xml.apache.org
> For additional commands, email:
> fop-dev-help@xml.apache.org
>
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Re: Is there anybody out there?
Posted by Jeremias Maerki <de...@greenmail.ch>.
Ali,
FOP can definately do more than that. From your description it appears
to me that something goes really wrong with garbage collection at your
place.
- Have you got relatively big images on your reports and are you using
different URLs to the images for each rendering run (dynamic images)?
That's where the last point under http://xml.apache.org/fop/running.html#memory
should help.
- Please check that you're properly dereferencing (or at least resetting) any
FOP clases you use.
Maybe it's best if you described to us in a little more detail what kind
of documents you render and how you call FOP (maybe with code samples).
What you described simply can't be (from my experiences). You don't do
your runs at the same time, do you? I bet Jörg's table changes will
improve your situations but I believe there's some other problem around.
On 17.07.2003 06:22:57 ali farahani wrote:
> Here is what happens. I have closely watched the memory usage of FOP:
>
> I have a report with around 17 pages. One table with 12 columns. I use
> Velocity to put the data inside the FOP template. When it starts
> rendering the report (PDF or print preview) it consumes 50 MB. Second
> run another 50MB, third run another 50 MB , then with 256 MB RAM , when
> I go for forth run, CRASH BOOM BANG! Out of memeory exception.
>
> My users usually use the report during the day ( 7 hours) 10 to 20
> times. So even 512 MB RAM workstations get out of memory easily.
>
> Running it under another JVM is a good idea but as you know it is not
> feasible from performance point of view.
Jeremias Maerki
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Re: AW: Is there anybody out there?
Posted by John Kemp <jo...@earthlink.net>.
Presumably you've already tried starting a java VM with a bigger
initial and max heap size than usual (ie. with java -Xms512m
-Xmx1024m)? If you have lots of memory available on the machine that
should help, although there may be limits on the maximum amount of
memory that could be used depending on the OS/machine you're running.
- JohnK
On Wednesday, Jul 16, 2003, at 10:05 US/Eastern, Thomas Sporbeck wrote:
> Does this happen with the first report after starting the Java VM or
> later on (after some reports have rendered correctly)?
> Perhaps you may start FOP in a separate VM and exit it after the report
> has done, that's not ideal for performance but for stability.
>
> Thomas
>
> -----Ursprüngliche Nachricht-----
> Von: ali farahani [mailto:ali.farahani@ebs.ir]
> Gesendet: Mittwoch, 16. Juli 2003 15:55
> An: fop-dev@xml.apache.org
> Betreff: Is there anybody out there?
>
>
> To all FOP developers
>
> The out of memory problem of FOP is getting critical for our company .
>
> So this is an offer for a FOP developer who can fix this problem. If
> anyone of you can fix this problem please contact me and we can talk
> about the offer. We are open for the price.
>
> Best Regards
> Ali Farahani
>
>
> ---------------------------------------------------------------------
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> For additional commands, email: fop-dev-help@xml.apache.org
>
>
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Re: Space cause words to overlap.
Posted by "J.Pietschmann" <j3...@yahoo.de>.
IvanLatysh wrote:
> I just got the problem, when the space causing words to overlap with each
> other. <fo:block-container left="0mm" top="65mm" width="140mm" height="30mm"
> position="absolute"> <fo:block font-size="10pt" font-family="Arial"
> white-space-collapse="false" white-space-treatment="preserve"> .... <fo:block
> white-space-treatment="preserve"><xsl:value-of
> select="$dispatch/return_address/ADDRESS/FIRST_NAME"/><xsl:value-of
> select="$dispatch/return_address/ADDRESS/LAST_NAME"/></fo:block>
>
> When I am adding the space between first name and the last name the last name
> overlap the first name ~3-5 mm.
It might have something to do with justification. Check whether the problem
goes away if you increase the width of the container. Posting a full self
contained example demonstrating the problem might help.
> I am using PSRenderer.
Check whether the PDF renderer shows the same behaviour, it might be a bug
in the PS renderer.
J.Pietschmann
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Space cause words to overlap.
Posted by IvanLatysh <Iv...@yahoo.ca>.
Hello, J.Pietschmann!
You wrote to <fo...@xml.apache.org> on Tue, 22 Jul 2003 22:15:41 +0200:
I just got the problem, when the space causing words to overlap with each other.
<fo:block-container left="0mm" top="65mm" width="140mm" height="30mm" position="absolute">
<fo:block font-size="10pt" font-family="Arial" white-space-collapse="false" white-space-treatment="preserve">
....
<fo:block white-space-treatment="preserve"><xsl:value-of select="$dispatch/return_address/ADDRESS/FIRST_NAME"/><xsl:value-of select="$dispatch/return_address/ADDRESS/LAST_NAME"/></fo:block>
When I am adding the space between first name and the last name the last name overlap the first name ~3-5 mm.
If I remove the space all is going right. And one more, if last name has a space inside (Du Marrier) thouse space does cause this kind of behaviour, the space inside the string is displaying properly.
I tried to do so: concat($recipient/FIRST_NAME, ' ', $recipient/LAST_NAME ).
It does the same, but again the space insize the name displays properly.
Is there are any solution to make it working.
I am using PSRenderer.
---
Yours sincerely, Ivan Latysh.
Ivan[a]yourmail.com
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Re: Is there anybody out there?
Posted by "J.Pietschmann" <j3...@yahoo.de>.
> ali farahani wrote:
[problem]
Well, I forgot: check whether you didn't cause the memory leak
elsewhere, like letting db query results or DOM trees or XML
strings hanging around. Check also whatever framework you happen
to use. A memory profiler like DrMem will be of great assistance.
J.Pietschmann
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Re: Is there anybody out there?
Posted by "J.Pietschmann" <j3...@yahoo.de>.
ali farahani wrote:
> I have a report with around 17 pages. One table with 12 columns. I use
> Velocity to put the data inside the FOP template. When it starts
> rendering the report (PDF or print preview) it consumes 50 MB. Second
> run another 50MB, third run another 50 MB , then with 256 MB RAM , when
> I go for forth run, CRASH BOOM BANG! Out of memeory exception.
This sounds like a self-inflicted problem. FOP does not lock
memory across rendering runs if you release the Driver and
Renderer object, with the exception of the external graphics
cache. The cache should not require additional memory for
rendering the same document a second time, and locking 50MB
would require quite a few hi-res images anyway.
Therefore, check whether you release the Driver object you
are creating, or at least call the reset() method after render()
or run(), although the latter may still result in leaking memory.
In addition you might try FOPImageFactory.resetCache() to clear
the image cache.
J.Pietschmann
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AW: Is there anybody out there?
Posted by Thomas Sporbeck <th...@exso.de>.
Hi Ali,
I thought that this would be the problem, we had the same and solved it
like I described. I've found no way to avoid these "memory eating" of
FOP, I'm quite sure there are some instances left open after
rendering...
The start of the Java VM takes a few seconds, if you are able to start
the Vm "just in time" to get the FO-Stream, it should be no problem. For
us it works properly even on machines with only 128 Mbyte RAM (where the
critical point is about 60 pages...). I found this easier than going
through all sources...
Thomas Sporbeck
-----Ursprüngliche Nachricht-----
Von: ali farahani [mailto:ali.farahani@ebs.ir]
Gesendet: Donnerstag, 17. Juli 2003 06:23
An: fop-dev@xml.apache.org
Betreff: RE: Is there anybody out there?
Dear Thomas
Here is what happens. I have closely watched the memory usage of FOP:
I have a report with around 17 pages. One table with 12 columns. I use
Velocity to put the data inside the FOP template. When it starts
rendering the report (PDF or print preview) it consumes 50 MB. Second
run another 50MB, third run another 50 MB , then with 256 MB RAM , when
I go for forth run, CRASH BOOM BANG! Out of memeory exception.
My users usually use the report during the day ( 7 hours) 10 to 20
times. So even 512 MB RAM workstations get out of memory easily.
Running it under another JVM is a good idea but as you know it is not
feasible from performance point of view.
Ali
-----Original Message-----
From: Thomas Sporbeck [mailto:th.sporbeck@exso.de]
Sent: Wednesday, July 16, 2003 6:35 PM
To: fop-dev@xml.apache.org
Subject: AW: Is there anybody out there?
Does this happen with the first report after starting the Java VM or
later on (after some reports have rendered correctly)? Perhaps you may
start FOP in a separate VM and exit it after the report has done, that's
not ideal for performance but for stability.
Thomas
-----Ursprüngliche Nachricht-----
Von: ali farahani [mailto:ali.farahani@ebs.ir]
Gesendet: Mittwoch, 16. Juli 2003 15:55
An: fop-dev@xml.apache.org
Betreff: Is there anybody out there?
To all FOP developers
The out of memory problem of FOP is getting critical for our company .
So this is an offer for a FOP developer who can fix this problem. If
anyone of you can fix this problem please contact me and we can talk
about the offer. We are open for the price.
Best Regards
Ali Farahani
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AW: Is there anybody out there?
Posted by Mirko Sertic <Mi...@dtmgmbh.de>.
Hi!
we had he the same problem. In fact, it was the ImageCache
that was not released and made the jvm crash. Try to release
the cache by your program or try the patch I've posted
for fop 0.20.5 ( Bugzilla Bug - ID 20407).
Hope this helps.
Cheers
Mirko
-----Ursprungliche Nachricht-----
Von: Nandina Srinivas [mailto:srinandina@yahoo.com]
Gesendet: Donnerstag, 17. Juli 2003 07:44
An: fop-dev@xml.apache.org
Betreff: RE: Is there anybody out there?
Dear Ali,
I know fop is very memory intensive but what you are
saying is a memory leak. We also use fop to generate
PDF reports using servlets inside tomcat. It is
generating reports of size 20 pages with ease on a
256mb RAM machine with -Xmx set to 128m. It takes upto
90mb for generating a pdf of 25 pages. But when I
generate it again it is releasing memory.
I doubt there is a leak in the driver code embedding
FOP. Please check on it or if possible try to publish
it. Somebody might help.
Regards,
Srinivas.
--- ali farahani <al...@ebs.ir> wrote:
> Dear Thomas
>
> Here is what happens. I have closely watched the
> memory usage of FOP:
>
> I have a report with around 17 pages. One table with
> 12 columns. I use
> Velocity to put the data inside the FOP template.
> When it starts
> rendering the report (PDF or print preview) it
> consumes 50 MB. Second
> run another 50MB, third run another 50 MB , then
> with 256 MB RAM , when
> I go for forth run, CRASH BOOM BANG! Out of memeory
> exception.
>
> My users usually use the report during the day ( 7
> hours) 10 to 20
> times. So even 512 MB RAM workstations get out of
> memory easily.
>
> Running it under another JVM is a good idea but as
> you know it is not
> feasible from performance point of view.
>
> Ali
> -----Original Message-----
> From: Thomas Sporbeck [mailto:th.sporbeck@exso.de]
> Sent: Wednesday, July 16, 2003 6:35 PM
> To: fop-dev@xml.apache.org
> Subject: AW: Is there anybody out there?
>
> Does this happen with the first report after
> starting the Java VM or
> later on (after some reports have rendered
> correctly)?
> Perhaps you may start FOP in a separate VM and exit
> it after the report
> has done, that's not ideal for performance but for
> stability.
>
> Thomas
>
> -----Urspr|ngliche Nachricht-----
> Von: ali farahani [mailto:ali.farahani@ebs.ir]
> Gesendet: Mittwoch, 16. Juli 2003 15:55
> An: fop-dev@xml.apache.org
> Betreff: Is there anybody out there?
>
>
> To all FOP developers
>
> The out of memory problem of FOP is getting critical
> for our company .
>
> So this is an offer for a FOP developer who can fix
> this problem. If
> anyone of you can fix this problem please contact me
> and we can talk
> about the offer. We are open for the price.
>
> Best Regards
> Ali Farahani
>
>
>
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>
>
>
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>
>
>
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RE: Is there anybody out there?
Posted by Nandina Srinivas <sr...@yahoo.com>.
Dear Ali,
I know fop is very memory intensive but what you are
saying is a memory leak. We also use fop to generate
PDF reports using servlets inside tomcat. It is
generating reports of size 20 pages with ease on a
256mb RAM machine with -Xmx set to 128m. It takes upto
90mb for generating a pdf of 25 pages. But when I
generate it again it is releasing memory.
I doubt there is a leak in the driver code embedding
FOP. Please check on it or if possible try to publish
it. Somebody might help.
Regards,
Srinivas.
--- ali farahani <al...@ebs.ir> wrote:
> Dear Thomas
>
> Here is what happens. I have closely watched the
> memory usage of FOP:
>
> I have a report with around 17 pages. One table with
> 12 columns. I use
> Velocity to put the data inside the FOP template.
> When it starts
> rendering the report (PDF or print preview) it
> consumes 50 MB. Second
> run another 50MB, third run another 50 MB , then
> with 256 MB RAM , when
> I go for forth run, CRASH BOOM BANG! Out of memeory
> exception.
>
> My users usually use the report during the day ( 7
> hours) 10 to 20
> times. So even 512 MB RAM workstations get out of
> memory easily.
>
> Running it under another JVM is a good idea but as
> you know it is not
> feasible from performance point of view.
>
> Ali
> -----Original Message-----
> From: Thomas Sporbeck [mailto:th.sporbeck@exso.de]
> Sent: Wednesday, July 16, 2003 6:35 PM
> To: fop-dev@xml.apache.org
> Subject: AW: Is there anybody out there?
>
> Does this happen with the first report after
> starting the Java VM or
> later on (after some reports have rendered
> correctly)?
> Perhaps you may start FOP in a separate VM and exit
> it after the report
> has done, that's not ideal for performance but for
> stability.
>
> Thomas
>
> -----Urspr�ngliche Nachricht-----
> Von: ali farahani [mailto:ali.farahani@ebs.ir]
> Gesendet: Mittwoch, 16. Juli 2003 15:55
> An: fop-dev@xml.apache.org
> Betreff: Is there anybody out there?
>
>
> To all FOP developers
>
> The out of memory problem of FOP is getting critical
> for our company .
>
> So this is an offer for a FOP developer who can fix
> this problem. If
> anyone of you can fix this problem please contact me
> and we can talk
> about the offer. We are open for the price.
>
> Best Regards
> Ali Farahani
>
>
>
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>
>
>
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>
>
>
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RE: Is there anybody out there?
Posted by ali farahani <al...@ebs.ir>.
Dear Thomas
Here is what happens. I have closely watched the memory usage of FOP:
I have a report with around 17 pages. One table with 12 columns. I use
Velocity to put the data inside the FOP template. When it starts
rendering the report (PDF or print preview) it consumes 50 MB. Second
run another 50MB, third run another 50 MB , then with 256 MB RAM , when
I go for forth run, CRASH BOOM BANG! Out of memeory exception.
My users usually use the report during the day ( 7 hours) 10 to 20
times. So even 512 MB RAM workstations get out of memory easily.
Running it under another JVM is a good idea but as you know it is not
feasible from performance point of view.
Ali
-----Original Message-----
From: Thomas Sporbeck [mailto:th.sporbeck@exso.de]
Sent: Wednesday, July 16, 2003 6:35 PM
To: fop-dev@xml.apache.org
Subject: AW: Is there anybody out there?
Does this happen with the first report after starting the Java VM or
later on (after some reports have rendered correctly)?
Perhaps you may start FOP in a separate VM and exit it after the report
has done, that's not ideal for performance but for stability.
Thomas
-----Ursprüngliche Nachricht-----
Von: ali farahani [mailto:ali.farahani@ebs.ir]
Gesendet: Mittwoch, 16. Juli 2003 15:55
An: fop-dev@xml.apache.org
Betreff: Is there anybody out there?
To all FOP developers
The out of memory problem of FOP is getting critical for our company .
So this is an offer for a FOP developer who can fix this problem. If
anyone of you can fix this problem please contact me and we can talk
about the offer. We are open for the price.
Best Regards
Ali Farahani
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AW: Is there anybody out there?
Posted by Thomas Sporbeck <th...@exso.de>.
Does this happen with the first report after starting the Java VM or
later on (after some reports have rendered correctly)?
Perhaps you may start FOP in a separate VM and exit it after the report
has done, that's not ideal for performance but for stability.
Thomas
-----Ursprüngliche Nachricht-----
Von: ali farahani [mailto:ali.farahani@ebs.ir]
Gesendet: Mittwoch, 16. Juli 2003 15:55
An: fop-dev@xml.apache.org
Betreff: Is there anybody out there?
To all FOP developers
The out of memory problem of FOP is getting critical for our company .
So this is an offer for a FOP developer who can fix this problem. If
anyone of you can fix this problem please contact me and we can talk
about the offer. We are open for the price.
Best Regards
Ali Farahani
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Re: Is there anybody out there?
Posted by Christian Geisert <ch...@isu-gmbh.de>.
J.Pietschmann schrieb:
> Victor Mote wrote:
>
>> The original thread got corrupted into two different issues. If you are
>> talking about the issue with tables,
>
> I'm just waiting for the release to be prepared so that
> I can commit fixes for this and a few other annoyances.
The release is actually tagged since monday night ;-)
(But due to space problems on daedalus it has been uploaded just
yesterday evening)
Christian
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RE: Is there anybody out there?
Posted by Victor Mote <vi...@outfitr.com>.
J.Pietschmann wrote:
> I'm just waiting for the release to be prepared so that
> I can commit fixes for this and a few other annoyances.
I know, but it always seems a shame to disappoint people who are eager to
pay.
Victor Mote
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Re: Is there anybody out there?
Posted by "J.Pietschmann" <j3...@yahoo.de>.
Victor Mote wrote:
> The original thread got corrupted into two different issues. If you are
> talking about the issue with tables,
I'm just waiting for the release to be prepared so that
I can commit fixes for this and a few other annoyances.
J.Pietschmann
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RE: Is there anybody out there?
Posted by Victor Mote <vi...@outfitr.com>.
ali farahani wrote:
> The out of memory problem of FOP is getting critical for our company .
>
> So this is an offer for a FOP developer who can fix this problem. If
> anyone of you can fix this problem please contact me and we can talk
> about the offer. We are open for the price.
The original thread got corrupted into two different issues. If you are
talking about the issue with tables, Joerg Pietschmann is the one you need
to contact. A link to his email address is at:
http://xml.apache.org/fop/team.html.
I think he does his FOP work after-hours, Central European time (this may
not be the official name of the time zone), so you may need to wait a few
hours to hear from him.
If you are talking about FOP memory use in general, you're talking about a
much bigger issue, and you're really talking about the whole team. I know of
at least four members of the team who would spend more time on FOP if they
could be freed from other duties necessary to make a living, and a couple
who are free-agent types that would probably rearrange their schedules to
help. So potential resources are there. It is difficult to estimate how long
such a project would take, because we have not yet agreed on the design
parameters. I do have a solution rolling around in my mind. My initial,
off-the cuff estimate is that, after design agreement is reached, it would
take one programmer nearly a year to implement the changes needed to meet
that design. Some of the tasks can be parcelled out to more than one
programmer, but with four on the job, I doubt that it gets done more quickly
than four months. So, if you can support 12-16 man-months of programming,
and can wait 4-12 months for the solution, (these estimates may change, but
I am using them as a qualification test), and don't mind contributing the
results to Apache, post another message to that effect, and we'll work a bit
on figuring out how to do this from a business standpoint -- there are a
bunch of issues that would need to be resolved.
Victor Mote
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