Run GPGPU applications through FreeNX connection

Hi, I am trying to remotely run GPGPU applications that use OpenCL through a remote FreeNX connection. I have a computer with AMD GPUs and I am connecting to it with a laptop through FreeNX. If I am locally on the computer, I can run an OpenCL application and it works fine. However, when I execute it through the NX connection from a different computer, the program cannot find any GPU devices. I think this may have to do with the program not being able to connect to the local (non-NX) X server to get access to the GPUs. Does anyone have any experience with this? Thank you.
Also, following this guide, I can run the GPGPU programs over the SSH connection. However, it does not work with NX.
Last edited by budabob07 (2013-03-31 14:22:32)

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Hi,
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http://www.oracle.com/technology/products/jdev/101/tutorials/WS/WSandAScontrol.htm
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Error in Log File:
# An unexpected error has been detected by HotSpot Virtual Machine:
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--------------- T H R E A D ---------------
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V [jvm.dll+0x7859b]
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--------------- P R O C E S S ---------------
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from space 192K, 0% used [0x02c70000, 0x02c70000, 0x02ca0000)
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--------------- S Y S T E M ---------------
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------------------------------------------------------------------------------------------------------------------

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While running java application through Webstart, we got the following error log and application is not running. I am not sure why this is happened? Can anyone help me out to resolve this problem?
Help Regarding this will be highly appreciated.
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Error in Log File:
# An unexpected error has been detected by HotSpot Virtual Machine:
# Internal Error (53545542324F5554494E45530E435050008C), pid=684, tid=9424
# Java VM: Java HotSpot(TM) Client VM (1.5.0_11-b03 mixed mode)
--------------- T H R E A D ---------------
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--------------- S Y S T E M ---------------
OS: Windows Server 2003 family Build 3790 Service Pack 1
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------------------------------------------------------------------------------------------------------------------

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java

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Bilal Durrani
NI
Attachments:
lpk.zip ‏74 KB

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[java] ... 13 more
[java] --- Nested Exception ---
[java] java.io.IOException: CreateProcess: "C:\Program Files\Java\jre1.5.0_05\bin\java.exe" -Xmx100M -classpath E:\tarun\java\workspace1\Nss_Gui\main\output;E:\tarun\java\workspace1\Nss_Gui\main\conf;E:\tarun\java\workspace1\Nss_Gui\main\output\com\ardit\nss\common\model\GuiXmlQueryRequest.class;E:\tarun\java\workspace1\Nss_Gui\main\output\com\ardit\nss\common\model\GuiXmlQueryResponse.class;E:\tarun\java\workspace1\Nss_Gui\main\output\com\ardit\nss\common\model\cdr\Cdr.class;E:\tarun\java\workspace1\Nss_Gui\main\output\com\ardit\nss\common\model\cdr\CdrDescriptor$1.class;E:\tarun\java\workspace1\Nss_Gui\main\output\com\ardit\nss\common\model\cdr\CdrDescriptor$2.class;E:\tarun\java\workspace1\Nss_Gui\main\output\com\ardit\nss\common\model\cdr\CdrDescriptor.class;E:\tarun\java\workspace1\Nss_Gui\main\output\com\ardit\nss\common\model\cdr\Event.class;E:\tarun\java\workspace1\Nss_Gui\main\output\com\ardit\nss\common\model\cdr\EventDescriptor$1.class;E:\tarun\java\workspace1\Nss_Gui\main\output\com\ardit\nss\common\model\cdr\EventDescriptor�
[java] at java.lang.ProcessImpl.create(Native Method)
[java] at java.lang.ProcessImpl.<init>(Unknown Source)
[java] at java.lang.ProcessImpl.start(Unknown Source)
[java] at java.lang.ProcessBuilder.start(Unknown Source)
[java] at java.lang.Runtime.exec(Unknown Source)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[java] at java.lang.reflect.Method.invoke(Unknown Source)
[java] at org.apache.tools.ant.taskdefs.Execute$Java13CommandLauncher.exec(Execute.java:834)
[java] at org.apache.tools.ant.taskdefs.Execute.launch(Execute.java:435)
[java] at org.apache.tools.ant.taskdefs.Execute.execute(Execute.java:449)
[java] at org.apache.tools.ant.taskdefs.Java.fork(Java.java:751)
[java] at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:171)
[java] at org.apache.tools.ant.taskdefs.Java.execute(Java.java:84)
[java] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
[java] at org.apache.tools.ant.Task.perform(Task.java:364)
[java] at org.apache.tools.ant.Target.execute(Target.java:341)
[java] at org.apache.tools.ant.Target.performTasks(Target.java:369)
[java] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
[java] at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
[java] at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
[java] at org.eclipse.ant.internal.ui.antsupport.EclipseDefaultExecutor.executeTargets(EclipseDefaultExecutor.java:32)
[java] at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
[java] at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.run(InternalAntRunner.java:423)
[java] at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.main(InternalAntRunner.java:137)

javax.el.PropertyNotFoundException: Target Unreachable, 'oracle' returned null
The managed bean property 'oracle' is not found with the specified EL expression. What is the EL expression used and what is the managed bean property?

Java.lang.NoSuchMethodError while running the Application on MI client

Hi Experts
During development I run my application through NWDS and worked perfect. But when I run my application only through MI client. It through error on my programmed methods: java.lang.NoSuchMethodError:
Any advice is highly appreciated!
Michal

Thanks for your reply!
I use MI 2.5 SP20 and that trace is:
Internal Servlet Error:
java.lang.NoSuchMethodError: com.sap.myApp.bean.TableViewBean.setAll(Ljava/lang/String;)V
Thanks for any advice

How we can find out the running window application ?

hi all,
how can i find out the running windows application through my java program?
if anyone know any methods or classes please inform me soon...........
one way to ask is "how one can trap the running window's application through java code"?
Please do inform, if you have any valuable guidelines to achieve this
Thanks in advance

I pretty sure this isn't possible. You could write something which uses JNI to call native methods, but you'd have to have methods avaliable to call. So suppose you wanted a process on a Windows machine to read the text in an instance of IE's address text box you'd first need a way to do this with Windows specific code. And I can't think how you'd do that - unless you are directly interacting with the OS. So I'm afraid there is no easy way to do this in Java, and even the very difficult way with JNI may not even be possible.

How to run richfaces application in JBOSS

hi,
I installed jboss-4.2.2.GA and extracted richfaces-ui-3.2.1.GA-src in the jboss-4.2.2.GA\server\default\deploy folder.
But while running richfaces application through http://localhost:8080/richfaces-ui-3.2.1.GA-src , showing "HTTP Status 404 - /richfaces-ui-3.2.1.GA-src" error. I tried to run other simple applications, but those are also not running, as the same error showing "HTTP Status 404"....
please help me asap.

I'm sorry man, but you are not getting out the easy way no matter how many times you post the same question. Whole books have been written on the subjects of JBoss and JSF and you are going to have to read at least some articles online if you are going to get anywhere. It is not something that has a simple 123 step guide, this is complex material that requires research, study and effort to accomplish.
So your first step is to go figure out what the structure of a JSF web application is and how to deploy one to JBoss. Good luck.

Javaw.exe is still running when application is closed

The application works fine. when i close the application using "x" at the top of the window the javaw.exe is still running in task manager. javaw.exe is accumulating all memory when i run the again. The same problem occurs when i run the application through jar. Any help is appreciated

If you use
jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
and you close de window, all your applications
running in the JVM will be closed too because System
exit is used. I prefer to use
jframe.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOS
E);
Alejandro H.If you had read the OP, he was complaining that the JVM was still running even though he had closed his application, which meant he wanted to stop the JVM.

How to protect an application running on weblogic through OAM

I have a requirement where in I need to protect an application (URL/root) deployed on weblogic through Oracle Access Manager.
Here's what I did:
Installed webgate on the Host where the application is deployed.
Configured the webgate on Access System Console.
Configured the policy domain -
a) Mentioned the Resource type and URL to be protected
b) Authentication Type (Basic)
c) Autherization Rules (Anyone can acess)
Issue: When I try to access the application http://<hostname>:7001/myapp
I expect the webgate/OAM to intercept this request and challenge the user with the basic authentication
but the request is carried through and the Home page of myapp is displayed.
Do I need to do some configurations in the webserver (httpd.conf) or deployment descriptors in the application server to get the authentication?
The application above can also be substituted with Oracle Identity Manager, where I'm getting the same result. I'm able to view OIM Home page without prior authentication. I tried protecting with the following pattern <host variation>/xlWebApp
I am new to Oracle Access Manager and looking for some guidance.
Thanks

Hi Joe,
1. Please elaborate step2 or guide me to a link where I can configure reverse proxy from Apache Webserver to weblogic. I think here's where I'm going wrong.
For more details on proxy refer to these links:
http://download-llnw.oracle.com/docs/cd/E13222_01/wls/docs90/plugins/apache.html#119517
OHS to Weblogic Reverse Proxy configuration Problem
After this configuration, won't I be able to access the application /myapp running on weblogic through port 7001 and will I have access to it only on port 80 (web s erver default port)?
You will be able to access the application through 7001, but the request will not be intercepted by OAM. The request will be processed directly by your myApp.
2. I did some reading and found some instructions on using weblogic SSPI plugin. Is this required at all? When is this used?
You can use SSPI Connector if you want to protect the weblogic port. i.e., OAM intercepts the request when you access the application on 7001 port.
Hope this helps
Hrushi

My Blu-Ray player has a USB input but it doesn't have an HDMI input. Can I connect my Apple TV to the Blu-Ray using an HDMI/ USB adapter? It would allow me to run the audio through my stereo. Thanks to all for your help.

My Blu-Ray player has a USB input but it doesn't have an HDMI input. Can I connect my Apple TV to the Blu-Ray using an HDMI/ USB adapter? It would allow me to run the audio through my stereo. Thanks to all for your help.

Can I connect my Apple TV to the Blu-Ray using an HDMI/ USB adapter?
If you can find such a thing. I really doubt that exists since USB is a data connector not a video connector.
would allow me to run the audio through my stereo.
That would depend on this adapter.

Running WD Application : SLD Connectivity Error

Hi Friends,
I developed a Web Dynpro Application using the R/3 Backend in SAP Netweaver Developer Studio and deployed it.
When i run the Application i get the following error.
Refer the error stack trace below :
I am new to WAS administration.Can anyone help me on this
Regards...Rohit
Error stacktrace:
com.sap.tc.webdynpro.services.exceptions.WDTypeNotFoundException: type <b>com.sap.demo.flightlist.model.types.Bapimaxrow could not be loaded: com.sap.dictionary.runtime.DdException: TypeBroker failed to access SLD: Error while obtaining JCO connection: com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Failed to load client to connect to SLD. Please check your SLD connection settings using the Visual Admin.</b>
        at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory$1.run(SystemLandscapeFactory.java:431)
        at java.security.AccessController.doPrivileged(Native Method)
        at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.getClient(SystemLandscapeFactory.java:425)
        at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter(JCOClientConnection.java:427)
        at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.<init>(AbstractJCOClientConnection.java:171)
        at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.<init>(JCOClientConnection.java:101)

Jochen,
I have successfully deployed my demo application "First Dynpro Application using SAP Netweave Studio" given in SDN which takes user input and display its name , but when I am trying to create <b>SLD and JCO Connection</b> for calling a BAPI it is giving me below error.
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=erpides01 GROUP=PUBLIC R3NAME=EII MSSERV=sapmsEII PCS=1 ERROR       service '?' unknown TIME        Sat Nov 06 16:40:11 2004 RELEASE     640 COMPONENT   NI (network interface) VERSION     37 RC          -3 COUNTER     1
Reference of this demo program in given at SDN by the name
"SAP Netweaver in Real World II" where we are calling BAPI but help given in this and sdn forum is not helpful.
Thanks for the co-operation,
Hemant

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