Errors when using multiple USB-8473 devices

I am trying to put together an application that uses five USB-8473 devices simultaneously on one PC. I can't seem to get more than two of them running without getting error -1074388956 (object handle invalid). Any two of them will run together, but when I go from two devices to three, I get the error every time. I have gone through and made sure that the object handles I am providing to ncReadNetMult are the same ones generated by ncOpen. Is there some limit to the number of these devices that can be run at the same time on one PC?
It is not a USB issue (though they are all on the same powered hub) because I am only writing 4 frames/sec on each device and get the same issue without any modules attached.
I need to run five at a time so I can talk to five modules with the same address at the same time.

Marcus,
Can you please clarify your comments regarding the USB hub? Specifically why you believe the hub is not part of the issue? I looked into the spec for the USB 8473 and these devices are rated at 250mA and 5VDC per module. Can you please check the rating of your hub? If you are trying to run 5 modules simultaneously, you will need the hub to output 1250mA to power all 5 modules. One of the common current output ratings is 500mA per hub - thus your ability to run only 2 modules.
One way to eliminate the hub as the root cause is to try to connect multiple modules directly to your computer. I checked on my system and found that each of my 7 USB ports is rated at 500mA each. To check on your computer simply go to the Device Manager and expand USB Controllers. This will let you know how many internal "hubs" are on your system. When you right click on a hub, select "Properties", and click the "Power" tab, you will see the current rating of the ports assigned to that internal hub. If you have 3 (or more) available ports that meet the power requirements, then you should be able to test with three (or more) modules to see if the issue is present without the external powered hub.
To me it sounds as though your hardware requires more current than the hub can supply.
Kareem W.
National Instruments
Web Product Manager

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<mkdir dir="${jdocs.dir}"/>
<mkdir dir="${weblogic.application.dir}"/>
<taskdef name="call"
classpathref="antelope.classpath"
classname="ise.antelope.tasks.Call"/>
<taskdef name="if"
classpathref="antelope.classpath"
classname="ise.antelope.tasks.IfTask"/>
<taskdef name="servicegen"
classpathref="webservice.classpath"
classname="weblogic.ant.taskdefs.webservices.servicegen.ServiceGenTask"/>
<taskdef name="clientgen"
classpathref="webservice.classpath"
classname="weblogic.ant.taskdefs.webservices.clientgen.ClientGenTask"/>
<taskdef name="source2wsdd"
classpathref="webservice.classpath"
classname="weblogic.ant.taskdefs.webservices.autotype.JavaSource2DD"/>
<taskdef name="wldeploy"
classpathref="webservice.classpath"
classname="weblogic.ant.taskdefs.management.WLDeploy"/>
</target>
<target name="buildEar"
depends="buildCommonJar, ejbc">
<echo message ="[${module.name}] Checking to see if ${ear.file} is up to date...[${appc.classpath}]" />
<source2wsdd
javaSource="${webserviceServer_src_dir}/HelloWorld.java"
ddFile="${descriptor.dir}/webservice/web-services.xml"
serviceUri="/HelloWorld">
<classpath refid="webservice.classpath" />
</source2wsdd>
<echo message ="[Done with buildEar]" />
</target>

Did you ever resolve this?

Error When Using Class :(

Hey,
Class:
package
    import flash.display.MovieClip;
    import flash.events.Event;
    public class Main extends MovieClip
        public var enemyA:Array = [];
        public var birdA:Array = [];
        public var rowNum:int = 2;
        private var gap:int = 100;
        private var obj_no = 2;
        public var enemy1:mychar = new mychar();
        public var TheBird:BirdChar = new BirdChar();
        public function Main()
            // constructor code
            createEnemyF();
            createBirdF();
            this.addEventListener(Event.ENTER_FRAME,loopF);
        public function createEnemyF()
            for (var i:int = 0; i < rowNum; i++)
                for (var j:int = 0; j < obj_no; j++)
                    enemy1.x = Math.random() * stage.stageWidth - enemy1.width;
                    enemy1.y = - i * (gap + enemy1.height) - 30.65;
                    enemyA.push(enemy1);
                    addChild(enemy1);
        public function createBirdF() {
            TheBird.x = 270.95;
            TheBird.y = 350.95;
            birdA.push(TheBird);
            addChild(TheBird);
        public function loopF(event:Event) {
            updateEnemyPositionsF();
            updateBirdPositionsF();
            hitTestF();
        public function updateEnemyPositionsF() {
            enemy1.y += 2;
        public function updateBirdPositionsF() {
            TheBird.x = mouseX;
        public function hitTestF() {
            if(TheBird.hitTestObject(enemy1))
                gotoAndPlay(5);
                trace('The Bird Hit Enemy 1');
This conflicts and causes this error:
1046: Type was not found or was not a compile-time constant: MouseEvent
^ ^ Code repeats to all of my event listeners
Thanks for your time.

Thanks, i thought it might be this because of previous problems but i seen i already had : import flash.events.Event; so i thought that would be OK!
Second Error:
1180: Call to an undefined method Timer.
I think this is the same sort of thing but what to import to fix this?
So far these are my imports:
    import flash.display.MovieClip;
    import flash.events.Event;
    import flash.events.MouseEvent;
    import flash.events.TimerEvent;
Thanks for helping.
Date: Thu, 3 Nov 2011 05:36:22 -0600
From: [email protected]
To: [email protected]
Subject: Error When Using Class
    Re: Error When Using Class
    created by markerline in Flash Pro - General - View the full discussion
Looks like you imported events.Event but not events.MouseEvent (or some similar syntax) basically you must import MouseEvents separately from other Events.
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Dbms_crypto - avoid error when using different key in lower environment

Hello Experts,
We are using Oracle 11.2.0.2. We are planning to implement dbms_crypto to encrypt few columns. We clone the data from production to lower environment ( DEV, QC).
For the lower environments, we do not want to get the sensitive data from production and do not plan to use same key. Rather than getting an error when using differnt key, is it possible to get a different resultset back.
In other words, we want the implementation to be same across environments but want to use a diffent key in lower environment and get different result (or garbage).
Any suggestions would be greatly appreciated.
While testing this logic, I am getting following error when using differnt key to decrypt. It works fine if I use same key.
Error at line 1
ORA-28817: PL/SQL function returned an error.
ORA-06512: at "SYS.DBMS_CRYPTO_FFI", line 67
ORA-06512: at "SYS.DBMS_CRYPTO", line 44
ORA-06512: at line 19
DECLARE
l_credit_card_no    VARCHAR2(19) := '1234 5678 9012 3456';
l_ccn_raw           RAW(128) := UTL_RAW.cast_to_raw(l_credit_card_no);
l_key               RAW(128) := UTL_RAW.cast_to_raw('abcdefgh');
   l2_key               RAW(128) := UTL_RAW.cast_to_raw('12345678');
l_encrypted_raw     RAW(2048);
l_decrypted_raw     RAW(2048);
BEGIN
DBMS_OUTPUT.put_line('Original : ' || l_credit_card_no);
l_encrypted_raw := DBMS_CRYPTO.encrypt(src => l_ccn_raw,
                                         typ => DBMS_CRYPTO.des_cbc_pkcs5,
                                         key => l_key);
DBMS_OUTPUT.put_line('Encrypted : ' || RAWTOHEX(UTL_RAW.cast_to_raw(l_encrypted_raw)));
l_decrypted_raw := DBMS_CRYPTO.decrypt(src => l_encrypted_raw,
                                         typ => DBMS_CRYPTO.des_cbc_pkcs5,
                                         key => l2_key); --**Using different key to decrypt
DBMS_OUTPUT.put_line('Decrypted : ' || UTL_RAW.cast_to_varchar2(l_decrypted_raw));
END;Thank you.

If I understand what you are trying to do ... and I may not ... it is not going to work.
SQL> DECLARE
2   l_credit_card_no VARCHAR2(19) := '1612-1791-1809-2605';
3   l_ccn_raw RAW(128) := utl_raw.cast_to_raw(l_credit_card_no);
4   l_key1     RAW(128) := utl_raw.cast_to_raw('abcdefgh');
5   l_key2     RAW(128) := utl_raw.cast_to_raw('zyxwvuts'); -- alternate key used to attempt a different decryption
6
7   l_encrypted_raw RAW(2048);
8   l_decrypted_raw RAW(2048);
9 BEGIN
10    dbms_output.put_line('Original : ' || l_credit_card_no);
11
12    l_encrypted_raw := dbms_crypto.encrypt(l_ccn_raw, dbms_crypto.des_cbc_pkcs5, l_key1);
13
14    dbms_output.put_line('Encrypted : ' || RAWTOHEX(utl_raw.cast_to_raw(l_encrypted_raw)));
15
16    l_decrypted_raw := dbms_crypto.decrypt(src => l_encrypted_raw, typ => dbms_crypto.des_cbc_pkc
s5, key => l_key1);
17
18    dbms_output.put_line('Key1 : ' || utl_raw.cast_to_varchar2(l_decrypted_raw));
19
20    l_decrypted_raw := dbms_crypto.decrypt(src => l_encrypted_raw, typ => dbms_crypto.des_cbc_pkc
s5, key => l_key2);
21
22    dbms_output.put_line('Key2 : ' || utl_raw.cast_to_varchar2(l_decrypted_raw));
23 END;
24 /
Original : 1612-1791-1809-2605
Encrypted : 3534443342333642353141363846384237463732384636373943374630364234323243334539383042323135
Key1 : 1612-1791-1809-2605
DECLARE
ERROR at line 1:
ORA-28817: PL/SQL function returned an error.
ORA-06512: at "SYS.DBMS_CRYPTO_FFI", line 67
ORA-06512: at "SYS.DBMS_CRYPTO", line 44
ORA-06512: at line 20

Error when using Oracle Migration WorkBench (Sql Server 2k to Oracle 8i)

I'm trying to migrate a Sql Server 2k database to an Oracle 8i schema using OMWB. After using BCP to collect metadata information on the source database, I tried to capture the source data model and got a "Capture aborted" message on the progress screen (even though then it appears a dialog window reporting "0 errors and 0 warnings", funny!). Down there is the error log OMWB generated. After reading some posts, I changed some columns of the OMWB dictionary that holds the source database name, but still got the same error. If someone can enlighten me on this toppic, I'd greatly appreciated it.
Here's the error log of OMWB:
** Oracle Migration Workbench
** Production
** ( Build 20050629 )
** OMWB_HOME: D:\Datos\Download\Oracle\Oracle Migration Workbench\omwb
** user language: es
** user region: null
** user timezone:
** file encoding: Cp1252
** java version: 1.4.2_04
** java vendor: Sun Microsystems Inc.
** o.s. arch: x86
** o.s. name: Windows 2000
** o.s. version: 5.0
** Classpath:
..\lib\boot.jar
** Started : Fri Feb 23 17:18:48 GMT-03:00 2007
** Workbench Repository : Oracle8i Enterprise Edition Release 8.1.6.0.0 - Production
With the Partitioning option
JServer Release 8.1.6.0.0 - Production
Repository Connection URL: jdbc:oracle:thin:@ServerCms:1521:sigcewbc
** The following plugins are installed:
** Microsoft Access 2.0/95/97/2000/2002/2003 Plugin, Production Release 10.1.0.4.0
** Microsoft SQLServer 2000 Plugin, Production Release 10.1.0.4.0
** Microsoft SQLServer 6.5 Plugin, Production Release 10.1.0.4.0
** Microsoft SQLServer 7.0 Plugin, Production Release 10.1.0.4.0
** Active Plugin : SQLServer2K
EXCEPTION :SQLServer2KDisconnSourceModelLoad.loadSourceModel(): oracle.mtg.migration.MigrationStopException: java.lang.IndexOutOfBoundsException: Index: 15, Size: 15
** Shutdown : Fri Feb 23 18:00:50 GMT-03:00 2007

Duplicate thread
Error when using Oracle Migration WorkBench (Sql Server 2k to Oracle 8i)

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