Java.io.IOException during large file processing on PI 7.1

Hello Colleagues,
for a large file scenario on our PI 7.1 System we have to verify with big file size we are able to process over PI.
During handing over the large file (200 MB XML) form the Adapter Frame Work (File Adapter) to the Integration Engine we receive following error:
Transmitting the message to endpoint http://<host>:<port>/sap/xi/engine?type=entry using connection File_http://sap.com/xi/XI/System failed, due to: com.sap.engine.interfaces.messaging.api.exception.MessagingException: Error transmitting the message over HTTP. Reason: java.io.IOException: Error writing to server.
The message processing stopped and message still lies at Adapter Frame Work. Large files up to 100 MB we are able to process successfully.
Please, could you tell me why this happened and how we are able to solve it?
Because there is not a java.outofmemory exception however a IO exception i think it could be an memory issue?!
Many thanks in advance!
Regards,
Jochen

Hi Jochen,
Indeed the error is IO Error and it is because the Adapter engine was not able to send the message to Integration server. But it happens due to memory/heap size issues.
Look at these thread, they are having the same problem. Please try the remedy measures suggested by them
Mail to Proxy scenario with attachment. AF channel error.
Error with huge file
problem with big file in file-to-proxy scenario
Is there any additional information in Adapter messaging tool.?
Regards
Suraj
Edited by: S.R.Suraj on Oct 1, 2009 8:55 AM

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Thanks,
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17 com.apple.AppKit 0x945ebbcb -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectFor View:topView:] + 4668
18 com.apple.AppKit 0x945ebbcb -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectFor View:topView:] + 4668
19 com.apple.AppKit 0x945ebbcb -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectFor View:topView:] + 4668
20 com.apple.AppKit 0x94689b5f -[NSNextStepFrame _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectFor View:topView:] + 311
21 com.apple.AppKit 0x945e7111 -[NSView _displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:] + 3309
22 com.apple.AppKit 0x94547d6e -[NSView displayIfNeeded] + 818
23 com.apple.AppKit 0x944fb9c5 -[NSNextStepFrame displayIfNeeded] + 98
24 com.apple.AppKit 0x94511094 -[NSWindow displayIfNeeded] + 204
25 com.apple.AppKit 0x945425aa _handleWindowNeedsDisplay + 696
26 com.apple.CoreFoundation 0x94e43892 __CFRunLoopDoObservers + 1186
27 com.apple.CoreFoundation 0x94e0018d __CFRunLoopRun + 557
28 com.apple.CoreFoundation 0x94dff864 CFRunLoopRunSpecific + 452
29 com.apple.CoreFoundation 0x94dff691 CFRunLoopRunInMode + 97

Sorry about listing too much data from the GB crash report.
Anyone have trouble shooing tips for crashing during large mix downs/exports?
The file that crashes during export is over 2 hours long, but only 1 voice track with no effects!

P45 Neo2-FR hangs during large file moves

Hello all,
I have a newly built system that I moved my old XP install onto. ( Removed old Video and hardware drivers then did a repair install on the new hardware. ) That process appears to have been successful. The system runs normally most of the time, including resource heavy 3D apps like SecondLife. I have also accumulated over 32 hours running memtest86 with no errors found. ( a 24 hours session and an 8+ hour one. )
During the upgrade/rebuild I backed up almost 0.5TB of data onto an external drive and I'm not trying to move those files onto the new RAID array or a partition on the main hard drive. During any large copy operation, the system locks up. It's usually several minutes into the copy, and a hard reset is required to recover. The external drive is formatted to FAT32, so I've already addressed file size limitations as I copied the data to the external. The external drive is USB/Firewire/eSATA, but so far I've only used USB on the new hardware due to a lack of cables.
Anyone seen something like this before ? I'd really like to get the files back onto my internal drives. The external is a loaner from a friend, so there's a little time pressure. Any help will be appreciated.
Thanks
Todd

Update on this. I have not done a reinstall to date since I don't have a spare hard drive on which to do so.
However, I can eliminate a windows or driver problem from the list. I see exactly the same symptoms - random hangs of the machine - under Ubuntu 8 as well as windows. The Linux install is clean from a downloaded image and updated as recommended by the package manager.
It seems that the most likely time for the system to hang is during periods of intense IO activity. I had thought it was large file copies because that was what I was doing a lot of at the time of my original post.
I have tried moving my video card to the first PCI-X slot. No change.
I have removed 2 of the 4 memory modules, leaving 2x2Gb installed in bank 0. No change.
I have added extra fans - a large on on the side of the hard drive bay ( The case is an Antec Sonata III ) and a smaller fan aimed at the memory. No change.
I am using the J-micron Raid controller - is this still problematic ? I seem to recall some mentions of this.
Any suggestions to help isolate the problem would be appreciated.

Large file processing in XI 3.0

Hi,
We are trying to process a large file of ~280 MB file size and we are getting timeout errors. I followed all the required tunings for memory and heap sizes and still the problem exists. I want to know if installation of decentral adapter engine for just this file processing might solve the problem which I doubt.
Based on my personal experience there might be a limitation of file size processing in XI may upto 100 MB with minimul mapping and no BPM.
Any comments on this would be appreciated.
Thanks
Steve

Hi Debnilay,
We do have 64 bit architecture and still we have the file processing problem. Currently we are splitting the file into smaller chuncks and processsing. But we want to process as a whole file.
Thanks
Steve

External USB Hard Drive disconnects during large file transfers.

I have a Western Digital 2TB USB Hard Drive that Ive been using perfectly for a couple of years on my MacBook Pro. A couple of months ago I bought a 27inch iMac and started using it as my main computer. So I had that hard drive connected to my iMac.
I started to notice that during large transfers (be it many files or 1 big one), usually into the Gigs, I suddenly got a warning message saying that the Hard Drive was inappropriately disconnected. It doesnt appear in Disk Utility so I have to manually connect and disconnect the drive in order for it to show up again on the iMac. I tested it again on my MacBook and the same thing happened.
Another problem:
Sometimes it will dissappear from the iMac without a warning message, it just doesnt show up. (Usually after long periods of inactivity). I then have to manually disconnect and connect for it to show up.
So what do you think? Is my Hard Drive Dying?

I've been having similar problems with Lion on both external USB2 drive docks and more recently a Mediasonic 4 bay Firewire RAID drive. It was suggested that powersaving mode shut these down but changing that didn't completely solve the problem. I'm returning the Mediasonic for a replacement but suspect that it is something in the OS that is causing it.
If the replaced drive still causes the problem, I'll do a rebuilt of the system, eliminating apps that were migrated over, even though the system is only 5 months old. If anyone has solved similar issues, please let me know as well. Thanks.

Network Drive Losing Connection During Large File Transfer...

Hey, everyone.
Recently bought an Airport Extreme and LaCie USB HDD/Hub for my hybrid Windows/Mac home network. I formatted the drive with FAT32 as instructed, and hooked it up.
My first order of business was to back up all of my media on my Windows desktop machine, but it hasn't been working out so well. A short while after starting the 35+ gig transfer (a few minutes at most), I get an error message saying the the destination folder is no longer there. Sure enough, checking 'My Computer' shows that the drive is now a 'Disconnted Network Drive'.
Cycling power on everything and rebooting Windows restores the network drive, but the core problem remains.
Anyone else seen this and have any idea how to deal with it?
Thanks in advance for any help.

Hi,
I'm having the same problem. Here's the relevant parts of my setup:
Airport Extreme
HP printer and Western Digital "My Book" 500 G USB drive connected by 4/1 usb splitter
MacBookPro connected via Gigabit
Windows XP PC connected via Gigabit
My media I loaded on the usb drive by directly connecting the usb to my PC, I've also loaded other iTunes media to the usb drive from the mac book. If I point iTunes on the PC at the usb drive I can play the media just fine. When I try to copy large files (700 MB) from my PC to the usb drive (via the airport) I'm told the destination folder isn't there. I've also noticed the windows tooltips telling me that it lost the internet connection, and if I have the airport utility open on my mac it also looses the airport for a few seconds. I am able to copy small files (largest that's worked so far is 1.6 MB) the usb drive via the airport.

Large file processing issue

Hi,
A 2MB source file is found to be generating a file of over 180 MB causing it to fail in pre prod and production. The processes successfully in Development Box where there is no web dispatcher or restrictions on size.
The recommendation from SAP is that we try to reduce the outout file size.
Kindly look into the issue ASAP.
Appreciate your help.
Thanks,
Satya Kumar

Hi Satya,
There are many ways are available check the below links
/people/stefan.grube/blog/2007/02/20/working-with-the-payloadzipbean-module-of-the-xi-adapter-framework
/people/aayush.dubey2/blog/2007/10/10/zip-transfer-unzip-increase-the-performance-of-your-java-abap-applications
/people/pooja.pandey/blog/2005/10/17/number-formatting-to-handle-large-numbers
/people/alessandro.guarneri/blog/2007/02/21/sap-xi-acting-as-a-huge-file-mover
/people/alessandro.guarneri/blog/2006/03/05/managing-bulky-flat-messages-with-sap-xi-tunneling-once-again--updated
One more way is we have to develope the ZIP Adapter and send the zip file after processing again we have to unzip the file.
Regards
Ramesh

OutOfMemory error on large file processing in sender file adapter

Hi Experts,
I got file to IDOC scenario, sender side we are using remote adapter engine, files are processing fine when the size is below 5mb, if the file size is more than 5mb we are getting java.lang.OutOfMemoryError: java heap space. can anyone suggest me what parameter i need to change in order to process more than 5mb.

Hi Praveen,
Suggestion from SAP is not to process huge files at a time. Instead, you can make the into chunks and process.
To increase the heap Memory:
For Java heap-size and other memory requirements, Refer to the following OSS note for details:
Note 723909 - Java VM settings for J2EE 6.40/7.0
Also check out the OSS Note 862405 - XI Configuration Options for Lowering Memory Requirements
There are oss notes available for the Java Heap size settings specific to the OS environment too.
Thanks,

Java.io.IOException during large file processing on PI 7.1

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