Device buffer overflow error and Log component missing

I have some previous information in "Error device buffer overflow" post.
I am currently running a windows XP machine with a 3.4 GHz
processor and 3 GB of RAM. I tried using just one 9233 module with the
cDAQ9172 and it worked. I added the second 9233 module and it started
giving me the error. I checked the memory usage when acquisition is not
started it was 868 MB and the CPU usage was 0-2%. When I started
acquisition the memory usage did not change much it went to about 880
MB and the CPU to about 100% and the error was displayed. The code shows the error that device buffer is overflowing when I use the program on a new machine even for one module with cDAQ9172 but when I switch it back to the original machine it works for single module but not for multiple.
As the error suggests. I tried switching the update views in "Update
signals while running" and "Prepare log data for viewing" off but it
still did not help. If I switch both these off I wont be able to see
what kind of impact data I am collecting. Please do correct me if I am
wrong.
I need to colelct the impact data on a printer and I have
a many locations on it that I need to collect data from. Please
suggest a solution for this problem.
Also, if i try using the same project on some other machine it gives me an error indicating some log component files are missing from signal express and need to be installed. This happens when i transfer the project from one machine to another.
Thank you.

Stu,
You will still be able to print your data in a later step when setting the two options recommended by the error code. What is likely happening when you try to move the project is that the project has log files still associated with it from previous attempts. You should save a copy of the project and in that copy delete the log files, then try to move the project over. SE projects are directly associated with the log files they create. This should allow you to move the project to a new computer.
When you go to run your project, you should shut down as many background processes as possible, such as IM clients. If you can disconnect from your network, I would suggest doing that and turning off any antivirus/anti-spyware software you have to free up resources.
A couple of further questions:
Are you connecting to a USB 1.0 or USB 2.0 port? You should be able to determine this by opening the device manager on your computer and expanding "Universal Serial Bus" section. If any of the drivers have "Enhanced" in their name, you have a USB 2.0 port.
Does this behavior repeat with any combination of the three modules? For instance, does it work if you just have module one, module two, or module three install? Do you still get the error if module two and three are used instead of one and two? (This will help determine if we are encountering a problem with the modules or with SE)
Finally, if you create a project that contains only one step that only reads the data off of all three modules, do you still get the error? (This will help isolate the problem)
Seth B.
Staff Test Engineer | National Instruments
Certified LabVIEW Developer
Certified TestStand Developer
“Engineers like to solve problems. If there are no problems handily available, they will create their own problems.”- Scott Adams

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Hi,
i need a little help..
for some reason, my prodcution listerner crashes.. but when looking into the logs of my listener, no error is shown.
even if i check the time stamp, there is no error of the log.forgive me, but I need to ask a simple question.
what proof exists that outage was not an Operating System crash?
if the system crashed, then the Oracle listener would no longer be available to log any connection requests.
Handle:     user10388158
Status Level:     Newbie
Registered:     Mar 10, 2010
Total Posts:     25
Total Questions:     9 (8 unresolved)
why do you waste time here when your questions RARELY get answered?

Newbie Topic - compiling errors and jvm.dll missing

Okay, we're starting at square .1 here. I'm trying to compile the ClickMe.java in the tutorial for newbies like myself. I know how to compile from the command line, etc., but I get an 2 errors. Seems to be saying line 6, cannot resolve symbol and line 28.
- - - - code below - - - - - -
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
public class ClickMe extends Applet implements MouseListener {
private Spot spot = null;
private static final int RADIUS = 7;
public void init() {
addMouseListener(this);
public void paint(Graphics g) {
// draw a black border and a white background
g.setColor(Color.white);
g.fillRect(0, 0, getSize().width - 1, getSize().height - 1);
g.setColor(Color.black);
g.drawRect(0, 0, getSize().width - 1, getSize().height - 1);
// draw the spot
g.setColor(Color.red);
if (spot != null) {
g.fillOval(spot.x - RADIUS,
spot.y - RADIUS,
RADIUS * 2, RADIUS * 2);
public void mousePressed(MouseEvent event) {
if (spot == null) {
spot = new Spot(RADIUS);
spot.x = event.getX();
spot.y = event.getY();
repaint();
public void mouseClicked(MouseEvent event) {}
public void mouseReleased(MouseEvent event) {}
public void mouseEntered(MouseEvent event) {}
public void mouseExited(MouseEvent event) {}
- - - - - - end ClickMe.java code - - - - -
I thought maybe it was b/c the Spot was capitalized, but I changed that to l/c and that didn't help. This code is, of course, taken right off of this page:
http://java.sun.com/docs/books/tutorial/java/concepts/practical.html
The other thing that's happening, is that when I try to run the NetBeans IDE 3.6, I get an error "Cannot load jvm.dll." I know there are jvm.dll's on this machine, but maybe they're in the wrong directory. I haven't messed with anything, just d-loaded the whole j2se SDK 1.4.1 and i'm already snafu'd. But then, I'm a newbie, so go ahead make fun. But, if you can, offer advice.
thx in advance!

I seem to be compiling right, b/c I was able to compile the classic HelloWorld.java ok and I can compile the spot.java file ok. I see what looks to be a valid spot.class file after I compile. If you're really bored, I could describe exactly how I'm launching the cmd.exe and how I point successfully to the javac.exe, but, newbie that I am, can we just go on faith that I'm doing that step right? And I also tried re-compiling the Spot.java file first, trashing the original ClickMe.java file so that everything was sequential. I'm wondering if this has something to do with the IDE & that jvm.dll out of whack.....
As for the Netbeans IDE, I'm going to see if I can reinstall that separately. The whole SDK maybe didn't unpack correctly, who knows.
But thanks for responding......

Spool file error - Buffer Overflow

I've a sql script that is running from a.sql file. The script fetches almost 9 million data as a result of the query. Main problem is related to spool file generation. It is saying buffer overflow. But, when i write that query from sql prompts it is running within 2 mins and completes the task within 15 mins.
I've written -
set serveroutput on size ######
But, still it is not working. Total application is freeze whenever i want to run it. Tell me any suggestion if u have.
Satyaki.

i guess what you are more concerned with is the output produced by your query (the spool file).
you need not to see what is displayed on the screen all you need is open up the spool file to
check for those data in there.
to suppress the output from the screen and still generates spool file. use the SET TERMOUT option.
e.g.
-- code for a producing a sample spool file
spool r:\sample_spool.txt;
select * from emp;
spool off;
at the SQL*Plus command line:
SQL> @r:\sample_spool.sql;
     EMPNO ENAME      JOB              MGR HIREDATE         SAL       COMM     DEPTNO
      7566 JONES      MANAGER         7839 02-APR-81       2975       1000         20
      7902 FORD       ANALYST         7566 03-DEC-81       3000                    20
      7839 KING       PRESIDENT            17-NOV-81       5000                    10
      7698 BLAKE      MANAGER         7839 01-MAY-81       2850                    30
      7782 CLARK      MANAGER         7839 09-JUN-81       2450                    10
      7369 SMITH      CLERK           7902 17-DEC-80        800                    20
      7499 ALLEN      SALESMAN        7698 20-FEB-81       1600        300         30
      7521 WARD       SALESMAN        7698 22-FEB-81       1250        500         30
      7654 MARTIN     SALESMAN        7698 28-SEP-81       1250       1400         30
      7788 SCOTT      ANALYST         7566 09-DEC-82       3000                    20
      7844 TURNER     SALESMAN        7698 08-SEP-81       1500          0         30
      7876 ADAMS      CLERK           7788 12-JAN-83       1100                    20
      7900 JAMES      CLERK           7698 03-DEC-81        950                    30
      7934 MILLER     CLERK           7782 23-JAN-82       1300                    10
14 rows selected.
SQL> -- the above example displays the output on the screen
SQL> -- now we want to turn it off by using the SET TERMOUT option
SQL> SQL> set termout off;
SQL> @r:\sample_spool.sql;
SQL>
after executing the script sample_spool.sql it does not display output from the screen which
we want to avoid the buffer overflow error. and still produce the spool file:
     EMPNO ENAME      JOB              MGR HIREDATE         SAL       COMM     DEPTNO
      7566 JONES      MANAGER         7839 02-APR-81       2975       1000         20
      7902 FORD       ANALYST         7566 03-DEC-81       3000                    20
      7839 KING       PRESIDENT            17-NOV-81       5000                    10
      7698 BLAKE      MANAGER         7839 01-MAY-81       2850                    30
      7782 CLARK      MANAGER         7839 09-JUN-81       2450                    10
      7369 SMITH      CLERK           7902 17-DEC-80        800                    20
      7499 ALLEN      SALESMAN        7698 20-FEB-81       1600        300         30
      7521 WARD       SALESMAN        7698 22-FEB-81       1250        500         30
      7654 MARTIN     SALESMAN        7698 28-SEP-81       1250       1400         30
      7788 SCOTT      ANALYST         7566 09-DEC-82       3000                    20
      7844 TURNER     SALESMAN        7698 08-SEP-81       1500          0         30
      7876 ADAMS      CLERK           7788 12-JAN-83       1100                    20
      7900 JAMES      CLERK           7698 03-DEC-81        950                    30
      7934 MILLER     CLERK           7782 23-JAN-82       1300                    10
14 rows selected.

Device buffer overflow error and Log component missing

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