Short read on DerValue buffer

Apologies if this is in the wrong forum.
I am using Flex Builder 3 to export a build of my Air application and when I select my certificate and type in the password, I get the following error to appear directly under the "Digital Signature" header next to a red X:
java.io.IOException: short read on DerValue buffer
Can someone tell me what this means, or better yet, how to fix this error? I cannot seem to find any information other then the actual java code that throws the error.
Any help is appreciated.
Sean Lapointe

Well, this was a pleasant surprise - when I ran it manually, it worked. I'm not sure why it didn't work through the wizard.
# dpkg -i scx-1.4.1-304.universald.1.x64.deb
(Reading database ... 23625 files and directories currently installed.)
Unpacking scx (from scx-1.4.1-304.universald.1.x64.deb) ...
Setting up scx (1.4.1.304) ...
Checking existence of /lib64/libssl.so.0.9.8o and /lib64/libcrypto.so.0.9.8o ...
Checking existence of /lib64/libssl.so.0.9.8 and /lib64/libcrypto.so.0.9.8 ...
Checking existence of /lib64/libssl.so.0.9.8o and /lib64/libcrypto.so.0.9.8o ...
Checking existence of /lib64/libssl.so.0.9.8 and /lib64/libcrypto.so.0.9.8 ...
Checking existence of /usr/lib64/libssl.so.0.9.8o and /usr/lib64/libcrypto.so.0.9.8o ...
Checking existence of /usr/lib64/libssl.so.0.9.8 and /usr/lib64/libcrypto.so.0.9.8 ...
Found /usr/lib64/libssl.so.0.9.8 and /usr/lib64/libcrypto.so.0.9.8 ...
Generating certificate with hostname="foo", domainname="bar"
Starting Microsoft SCX CIM Server: .
-- ND Smith

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Install error on Debian 6 (dpkg short read on buffer copy)

Using SCOM 2012 SP1 here. I have successfully deployed the SCOM agent to Debian 7 and Centos 6.5 machines. However, when deploying to a Debian 6 machine, I am getting the following error:
Agent installation operation was not successful
Failed to install kit. Exit code: 1
Standard Output: Sudo path: /usr/bin/
(Reading database ... 23625 files and directories currently installed.)
Unpacking scx (from .../scx-1.4.1-304.universald.1.x64.deb) ...
Standard Error: dpkg-deb (subprocess): short read on buffer copy for failed to write to pipe in copy
dpkg-deb: subprocess paste returned error exit status 2
dpkg: error processing /tmp/scx-scom-ma/scx-1.4.1-304.universald.1.x64.deb (--install):
short read on buffer copy for backend dpkg-deb during `./opt/microsoft/scx/lib_openssl_0.9.8/libpegwql.so.1'
Errors were encountered while processing:
/tmp/scx-scom-ma/scx-1.4.1-304.universald.1.x64.deb
Exception Message:
There was nothing after "Exception Message:"
Searching for this error generally seems to indicate a corrupt .deb file. Anyone ever run into this one?
-- ND Smith

Well, this was a pleasant surprise - when I ran it manually, it worked. I'm not sure why it didn't work through the wizard.
# dpkg -i scx-1.4.1-304.universald.1.x64.deb
(Reading database ... 23625 files and directories currently installed.)
Unpacking scx (from scx-1.4.1-304.universald.1.x64.deb) ...
Setting up scx (1.4.1.304) ...
Checking existence of /lib64/libssl.so.0.9.8o and /lib64/libcrypto.so.0.9.8o ...
Checking existence of /lib64/libssl.so.0.9.8 and /lib64/libcrypto.so.0.9.8 ...
Checking existence of /lib64/libssl.so.0.9.8o and /lib64/libcrypto.so.0.9.8o ...
Checking existence of /lib64/libssl.so.0.9.8 and /lib64/libcrypto.so.0.9.8 ...
Checking existence of /usr/lib64/libssl.so.0.9.8o and /usr/lib64/libcrypto.so.0.9.8o ...
Checking existence of /usr/lib64/libssl.so.0.9.8 and /usr/lib64/libcrypto.so.0.9.8 ...
Found /usr/lib64/libssl.so.0.9.8 and /usr/lib64/libcrypto.so.0.9.8 ...
Generating certificate with hostname="foo", domainname="bar"
Starting Microsoft SCX CIM Server: .
-- ND Smith

"Short read error" after patching solaris 10 x86?

We recently bought an Ultra 20 with Solaris 10. The first thing we did was attempt to patch it with smpatch. Specifically, we did the following steps:
> smpatch update
> shutdown -i s -g 0
> smpatch add -x idlist=/var/sadm/disallowed_patch_list
> reboot
When the machine rebooted we got a "short read error" message when trying to load in various drivers and wouldn't boot. We assumed that the disk had crashed and we reinstalled solaris from the DVDs. After the reinstallation, we went to patch the machine again, with the same steps, and exactly the same thing happened!
So is there something wrong with patching solaris 10 on x86? Has anybody else experienced this problem where the patching corrupts the disks (or the drivers)?
Thanks.
Karl

There have always been "short read error"s during boot on <b>some</b> systems with Solaris 10 x86 since the release.
http://groups.yahoo.com/group/solarisx86/message/29310
http://groups.yahoo.com/group/solarisx86/message/29358
Do you get the error every time during boot? Sometimes it helps to
press <RETURN> at the boot prompt, and not let the system wait for
the five second timeout.

Short Read/CD Burn Directions

I keep getting a short read error. I have access to the official disks, and it does not give me this error. Since most of the install CD is "hidden", I don't know if there is a special way to burn it. Both only show 120K on them, but the offical one will boot, while the one I burned gives me an error.
Any idea how to get around this, I am borrowing the official discs and want to have a set with me at all times.
Thanks for any assistance

I just realized that I have the same problem (been a while since I put in any sort of CD, so don't know when it started or what might have triggered it). My Mac Pro's Superdrive recognizes DVDs, blank or not, but no CDs, blank or not, commercial software or burned discs.
Resetting PRAM didn't help. Would like to know if this is a software/settings problem or hardware problem before I take any drastic measures.

Read Mp3 from buffer with http connection in realtime?

Hello friends, i am new in this place and my grammar and english languaje is bad.
I wanna read mp3 from http in realtime (j2me) , without waiting for download complete file and using buffer realtime, please i need your help.
i found in the network forum a code that maybe but I failed to make it work.
mi mail is [email protected]
very grateful to you.
Edited by: chocote on May 2, 2009 12:26 AM

Hi Andrey,
even with access to the delta buffer it would be hard (I think impossible) to implement a new lines check.
1. You would need the data the query has read, possibly by reading again the data the query has read (vial plan buffer access). This is in general not possible since the query has much more filtering featues compared to the plan buffer (e.g. restricted key figures).
2. You would need a delta buffer access (but this is not exposed via an 'external API'), but this is not enough since the delta buffer does not care whether a record is new or old. One does not know this in the delta buffer.
To implement a real new line check (only 'real' new lines are allowed) one needs the old result set; this is not even known to the OLAP since e.g. for drill-down only the needed data will be read, not the full grid the end user sees in the front end. In the 7.0 code line this information is simply not there.
With the new infrastructure shipped in 7.01, SP05 (cf. note 1358614) a kind of new lines check in the above sense would be relatively easy (for SAP) to implement. But one question is, what is a new line, think of zero suppression, conditions ? Should the system take records into account filtered out by the above featues ? Should a new line check by a query property ?
Regards,
Gregor

Query for reading data in buffer

*Which FM is use to read values from buffer, CRMORDER_READ or CRM_ORDER_READ_OW?*_

Hello
Actually the FM CRM_ORDER_READ invokes FM CRM_ORDER_READ_OW. However if the statement SELECT is raised from these FM and the table in question is flaged as Buffered Allowed, so the DBI will check the buffer before retireve data from the Database.
Kind regards

My HP8000 ptr will not print via time capsule showing problem as "...short read". I've reset the printing sys on both MacBooks and the iBOOK? Can you help?

I have been using a HP8000 printer via the USB connection on a TimeCapsule using wifi from a MacBook, MacBookPro and an iMAC (ethernet connected to Time Capsule) for a couple years before the printing stopped with a message of ".....short read" The printer still functions when directly connected to a Mac via a USB cable. Help???

Suggest that you work your way through Apple's Printer Troubleshooting Guide to see if you can get things going again.
The last item....reset printing system....will often work when all else fails, but try the other steps first.
http://support.apple.com/kb/TS1253

Acpid random crashes: netlink read error - no buffer space

Recently acpid has been randomly crashing on my system:
acpid.service - ACPI event daemon
Loaded: loaded (/usr/lib/systemd/system/acpid.service; disabled)
Active: failed (Result: exit-code) since Sat, 18 Aug 2012 13:51:02 +0200; 7h ago
Main PID: 295 (code=exited, status=1/FAILURE)
CGroup: name=systemd:/system/acpid.service
Aug 17 22:55:29 arch acpid[295]: input device has been disconnected, fd 17
Aug 18 09:55:27 arch acpid[295]: client 353[0:100] has disconnected
Aug 18 09:55:27 arch acpid[295]: client connected from 353[0:100]
Aug 18 09:55:27 arch acpid[295]: 1 client rule loaded
Aug 18 13:50:38 arch acpid[295]: netlink read error: No buffer space available (105)
Aug 18 13:50:41 arch acpid[295]: netlink read error: No buffer space available (105)
Aug 18 13:50:56 arch acpid[295]: netlink read error: No buffer space available (105)
Aug 18 13:51:00 arch acpid[295]: netlink read error: No buffer space available (105)
Aug 18 13:51:02 arch acpid[295]: netlink read error: No buffer space available (105)
Aug 18 13:51:02 arch acpid[295]: too many errors reading via netlink - aborting
I have no idea what this means, i don't see other mentions of it on the forums/flyspray and Google mainly seems to list generic code commits.
Perhaps anyone of you has a clue?

joseperezc wrote:
Hi, maybe is something related to this?
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=661344
systemctl enable acpid.socket
that fix it?
Hmm no that's not the problem unfortunately, i can start the daemon without problems, but it just crashes now and then after a while (sometimes more than a day after it was started).
why you are using acpid ?
Because my laptop exposes most of it's special keys (lid, brightness, volume etc) as acpi events, and i need a simple way to capture and script those.
and seriously why you are using acpid ?
Because my laptop exposes most of it's special keys (lid, brightness, volume etc) as acpi events, and i need a simple way to capture and script those.

Bytes read from Socket buffer

Hi,
I'm writing a proxy application that relays data from a server to a client that requested the data. One thing I have observed is that when I have read about 32136 bytes of data, my reads from my buffered input stream fetch only one byte at a time. Not only is my read function now reading only one byte at a time, but it takes over a minute to fetch 83 bytes of data. And the delay gets worse the longer I run.
In an effort to stress test my app, I deliberately set the send and receive buffers of the client socket to a small value (128 bytes). I can understand that filling up the buffer could slow down the reading, but what is odd is that long after the client has digested all the data, the Input stream reads never seem to go back to their original speed.
Is this an O/s thing? a JVM thing? I'm running JDK 1.3.1 on an intel box with Linux Redhad 6.2. It seems to me that there must be some way of getting the socket buffer clear on the receive side so that I can get something that ressembles a normal dataflow. Oh, and I tried toggling the TCP no delay flag to no avail.
Any suggestions?
-hugh

However, even with a large socket buffer, there is
always the chance that the receiving app will run
slowly due to bad programming, network latency, etc
(we're not the authors of the clients who will
connect), meaning even with the maximum buffer size,
we could fill the socket buffer. I suppose, though,
if it is the sender app that is getting fooled, then
it's a matter for the authors of the sending
application.True but the same thing will happen if the client connects directly to the server without your proxy, so why worry? General tips for writing proxies: use as large a buffer as possible, run separate reading and writing threads in your proxy, and propagate an EOF by doing shutdownOutput in the opposite direction. When you have done this in both directions you can close the socket, not before.

Restore short read timeout

Somewhere around the last updates, the time it takes for a message to be marked as read when the Skype window receives focus has been greatly increased.
This is, at least to some people, very annoying, because you have to wait even if you already read the message (for example, when you have the Skype window always displayed on a second monitor).
Please restore this timeout to the short value it had previously.

Please upgrade to the latest Skype 6.16 from www.skype.com/go/download where this behaviour should be better again.
Follow the latest Skype Community News
↓ Did my reply answer your question? Accept it as a solution to help others, Thanks. ↓

Read & Write to Buffer an Image

I'm newbie.
I try to program an application(digital image processing). And I want read/write an image from/to buffer (physic memory) or temp file. Is there any one can help ?
Thank you very much!
Sorry about my English.

Hello Trung,
I am very excited to hear that you are interested in using IMAQ Vison for your image application and thank you for using our discussion forums. To answer your question, you certainly can use IMAQ Vision to read from a jpeg or tiff file, run your algorithm for processing the image and then save back your results as an image. Some of the VIs you will need to use are IMAQ ReadFile.vi, IMAQ Write JPEG File.vi and IMAQ Write TIFF File.vi. These VIs can be used to read and write image files. There are some examples included with IMAQ Vision that demonstrate how to use these VIs. One good example on reading image files is ..\Examples\Vision\2. Functions\Analysis\Histogram Example.vi, included as an example under your LabVIEW folder.
For your application you will begin by creating a memory buffer for your image using the IMAQ Create.vi then read the file using IMAQ ReadFile, process the images, save your file and finally deallocate the memory associated with your image using the IMAQ Dispose.vi. The memory allocation, file read, processing and dispose part of this process is shown in the example I mentioned above. For more information about vision concepts refer to the IMAQ Vision Concepts Manual. This is the manual for the newest release of IMAQ Vision 7.1.1, but most of the concepts should apply to your version of Vision.
For information about using the different VIs and functions refer to the IMAQ Vision for LabVIEW User Manual installed on your computer and found under Start>>Programs>>National Instruments>>Vision>>Documentation. I hope this helps you out. If you have more questions I would encourage your to continue using the discussion forums or if you would like one on one assistance from an Applications Engineer contacting your local National Instruments Representative and looking into the IMAQ Vision Standard Service Program (SSP). Have a great day!
Regards,
Nipun M
Applications Engineer
National Instruments

Data read from AI buffer missing samples at start

I'm using a USB-6251. The program sets up two AI channels (reading I and Q) on a single task and a DO channel on another task. The DO channel uses the ai\SampleClock as it's clock, so the two are synchronized. The DO creates a periodic rising edge digital pulse (a clock, basically) that is used as a trigger on an external function generator. The signal from the function generator, after passing through some external signal processing hardware, is eventually what is read in by the AI channel.
We know from scoping the relevant signals, that they appear to be synchronized correctly. That is to say, the analog signal to be read arrives at the AI channel of the DAQ more or less instananeously with the DO trigger being activated. If there is a delay, it is on the order of a few microseconds.
However, when I read in the AI buffer (FiniteSamples in a repeated fashion), the waveform I get back always has a section of samples at the start that appear to be backfilled from the first actually read data-point (see the attached image). This delay is on the order of milliseconds (it varies with each run).
I want to eliminate this delay entirely. The signal should be a sinusoid that starts at sample 0 and is continuous through until the last sample read.
I have put the code below.
Setup:
// Create the analog read task
analogReadTask = new Task("analogReadTask");
// Create the virtual channel for the I component
analogReadTask.AIChannels.CreateVoltageChannel(initParams.AddrI.ChannelAddress, "I", AITerminalConfiguration.Differential, -4, 4, AIVoltageUnits.Volts);
// Create the virtual channel for the Q component
analogReadTask.AIChannels.CreateVoltageChannel(initParams.AddrQ.ChannelAddress, "Q", AITerminalConfiguration.Differential, -4, 4, AIVoltageUnits.Volts);
// Configure the clock for the analog reads
analogReadTask.Timing.ConfigureSampleClock(string.Empty, initParams.SamplingRateHz, SampleClockActiveEdge.Rising, SampleQuantityMode.FiniteSamples, totalSamples);
// Create the mult-channel reader
analogReader = new AnalogMultiChannelReader(analogReadTask.Stream);
analogReader.SynchronizeCallbacks = false;
pulseWriterTask = new Task("pulseWriterTask");
// Create a digital output channel that provides the trigger to the U/S system
pulseWriterTask.DOChannels.CreateChannel(initParams.AddrUsTrigger.PortLineAddress, "US trigger", ChannelLineGrouping.OneChannelForEachLine);
pulseWriterTask.Timing.ConfigureSampleClock("/Dev1/ai/SampleClock", initParams.SamplingRateHz, SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, samplesPerPulse);
pulseWriterTask.Stream.Buffer.OutputBufferSize = samplesPerPulse;
pulseWriterTask.Stream.WriteRegenerationMode = WriteRegenerationMode.AllowRegeneration;
pulseWriter = new DigitalSingleChannelWriter(pulseWriterTask.Stream);
pulseWaveform = new DigitalWaveform(samplesPerPulse, 1, DigitalState.ForceDown);
pulseWaveform.Signals[0].States[0] = DigitalState.ForceUp;
analogReadTask.Control(TaskAction.Verify);
pulseWriterTask.Control(TaskAction.Verify);
Starting the read:
analogReadTask.Start();
// Start writing the digital pulse, however it will not begin
// until the ai/SampleClock starts, thus implicitly synchronizing the two tasks
pulseWriter.WriteWaveform(true, pulseWaveform);
analogReader.BeginReadWaveform(totalSamples, readerCallback, analogReadTask);
Result (should be a sinusoid from start to finish)
Solved!
Go to Solution.

More information. The very first read is different from subsequent reads.
On the first read, I only see 11 trigger signals, even though we expect 16 (250-sample period for 4000 samples at 40Khz).
On subsequent reads, we see 16 trigger signals as expected, but still a small delay at the beginning of the read.

Reading Data from Buffer

Hi all,
I have a custom RFC which makes use of IDOC_INPUT_BOMMAT to create a BOM.But the BOM is not yet committed and i need to retrieve this data.If i put a break-point after the call to the FM IDOC_INPUT_BOMMAT and at the same time check the database table it's not yet present in the table.We tried all methods but could not succeed.Please let us know if the data can be read through buffers.If so which FM should i use to get this data .. ?
Cheers
Nishanth

Hi,
I don't think you will be able to read the data from buffer. Even if you can find it, getting the right strcutures for the data you are looking for will be very tedious.
Regards,
Ravi
Note :Please mark the helpful answers

Can I trigger the read of a buffer period measurement with a external signal (PFI line) with my 6602 card? How can I do it?

I am doing a buffered period measurement with a 6602 card, Labview real time. I want to measure the period of 6 rising edges of a TTL, but I want to do it exactly when an edge comes on other external signal (of course slowler than the previous one), that is to say that I want an external start trigger. Can anybody help me? I have hardly searched at the web and I have not found an example of code of what I am looking for.
Another question:
After reading the buffer, how does my program know that the data has been refreshed in a continuous measurement? I attach two VIs I am trying to make work and a quite explanatory bmp of what I
want to do.
Thanks.
Attachments:
rtc_regimen.zip ‏3 KB
Buffered_Period_pulse_generation.vi ‏283 KB
simgle_counter_pulse_generation.vi ‏177 KB

Hello;
I can't think of any way to accomplish that task. Once the counters have only two input pins, and both are in use when one configures the counter to do buffered measurements, there isn't a way to trigger that operation in hardware.
I'm not sure if I understood your second question, however, the buffered operation on a counter is hardware controlled, meaning that a pulse on its gate input triggers the transfer of the count value from the counter register to the PC memory buffer. That is therefore a continuous measurement.
Regards
Filipe A.
Applications Engineer
National Instruments

Recording fails when reading from a buffer

Hello together,
I'm new to the java sound api so I decided to get some example code working that I found on the internet. But I Fail.
Here's the code snippet that does the recording and runs in a thread:
ByteArrayOutputStream byteOutStream = new ByteArrayOutputStream();
DataLine.Info info = new DataLine.Info(TargetDataLine.class, m_format); // m_format is initialised somewhere in the c'tor
TargetDataLine inputLine = (TargetDataLine)AudioSystem.getLine(info);
inputLine.open();
inputLine.start();
AudioInputStream inStream = new AudioInputStream(inputLine);
int iCount = 0;
byte[] buffer = new byte[1024];
while(m_bRecording && ((iCount = inStream.read(buffer)) != -1))
{   // m_bRecording will be set false when invoking stop() method
     if(!m_bPause)
         byteOutStream.write(buffer, 0, iCount);
inStream.close();
byteOutStream.flush();
byteOutStream.close();
byte[] inBuffer = byteOutStream.toByteArray();
AudioInputStream inRecorded = new AudioInputStream(new ByteArrayInputStream(inBuffer),
                                        m_format,
                                        inBuffer.length / m_format.getFrameSize());
Clip clip = (Clip)AudioSystem.getLine(info);
clip.open(inRecorded);I've read the documentations about the classes and their methods so everything seems to make sense about this approach. But when I invoke clip.start() then all I get to hear is only a second or less of the sound I recorded. I found a link (http://www.jsresources.org/faq_audio.html#recordings_cutoff) that may (I'm not sure) be the solution I am looking for. But I still don't know how to apply this suggestion on my example code. Maybe you can help.
By the way: I've already tried the examples from www.jsresources.org and they work fine. But now I find it important to have my recorded data in a byte array so I will be able to apply effects and play around with the data and see what happens.
I am looking forward to reading your answers. Tanks!
Edited by: schmetterfly on Dec 22, 2009 10:22 AM

captfoss wrote:First, there's absolutely no need for "inStream" because you can read directly from inputLine...so get rid of inStream.You're totally right about this so I got rid of the inStream.
captfoss wrote:Second, redo the loop so it doesn't exit until you run out of data on the line...rather than when the boolean changes. Close the line in response to the boolean changing (don't flush it or anything, just close it) and continue to read until you get a -1 from reading from it...My code looks like this now.
   inputLine.open();
            inputLine.start();
            byte[] buffer = new byte[1024];
            int iCount = 0;
            do
                iCount = inputLine.read(buffer, 0, buffer.length);
                if(!m_bPause)
                    byteOutStream.write(buffer, 0, iCount);
                if(!m_bRecording && inputLine.isActive())
                    inputLine.stop();
                    //inputLine.drain();
            }while(iCount > 0);
            inputLine.close();It is important to stop() the line, then go on reading until there is no more data to read and then close() the line. It is neccesary to just stop() the line first because it muste be open for reading. So I close() the line when all the job is done.
I added inputLine.isActive() as an additional condition for the line to stop so it will not be stopped several times although nothing bad happens when closing the line several times.
After stepping into the if-block the loop continues few more times. When looping for the next to last time iCount has a value smaller than 1024. I suppose this way I can see that the line in fact does run out of data. When looping the last time iCount equals 0 and the loop is left.
Everything looks just fine but it still doesn't work properly.
Im starting to wonder if there's something wrong with the version of my JRE installed or the OS or the input device... Is there a way to figure that out?

Short read on DerValue buffer

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