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• how to have a vm image act as a server host

  - by tipu

  I have a VM Ware player, VMware-player-3.0.1-227600.exe I downloaded a cent os image, it's version is CentOS release 5.4 (Final) I have apache installed and listening on port 8080. However when I visit my ip address, x.x.x.x.:8080/ I don't get the default apache page as I would by going to localhost:8080/ What do I have to do in my image or vmware to get it to serve?

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• QEMU & libvirt: Dual screen VM?

  - by thecapsaicinkid

  I'm running a Windows 7 guest virtualised under QEMU and using libvirt on a Fedora 17 host, does anyone know if it's possible to create 2 video 'cards' (or a single dual-head) and a spice server for each and connect multiple spice clients to simulate a dual screen VM? Looking through the VMs xml configuration file I can't see a way to associate elements (eg. Spice servers) to elements (in this case, a qxl card). I'm sure qxl doesn't support the dual-head option but are multiple video elements possible?

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• VM using a secondary graphic card

  - by Arthur

  Hi everyone, at the moment i have a dual monitor setup on my main PCIe gfx card. I know that on windows it is almost impossible to have a second card (eg no thrills PCI card) running without having an SLI motherboard because of a driver issue. Well this was my conclusion after many weeks of research. I was thinking...is it possible to use a VM in order to utilize the secondary card as the default video output to feed another monitor? let me know if you want me to clarify Thanks :)

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• Xen command xl doesn't create a vm but xend/xm does

  - by ineff

  I'm a newbie to Xen, and I've recently installed Xen 4.2 by sources on my system. I've found a strange thing I've a VM when I start it via the command "xm create machine.cfg" all work fine, but if I use "xl create machine.cfg" it gives me the following error xc: error: panic: xc_dom_core.c:442: xc_dom_alloc_segment: segment ramdisk too large (0x4ba 0x2000 - 0x1bd9 pages): Out of memory libxl: error: libxl_dom.c:208:libxl__build_pv xc_dom_build_image failed: Invalid argument cannot (re-)build domain: -3 xenconsole: Could not read tty from store: No such file or directory What could be the problem? Any idea?

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• How to connect to ESX Server Storage To Upload VM Images

  - by dotnetgeek

  I am trying to figure out how I can connect to an ESX server's storage system so that I can upload VM image files. I am a windows user if that matters (i suspect it does). Thanks in advance

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• VMWare Workstation 8 reporting ""vmx86 driver version invalid handle" problem on booting VM

  - by dommer

  I'm just doing a VMWare Workstation 8 installation. However, on trying to boot (or create) a VM, it's reporting "Could not get vmx86 driver version: The handle is invalid." It recommends reinstalling, which I've done. Also, VMWare Player just hangs. Was going to post on the VMWare forums, but can't seem to create a new discussion (even though I've registered/logged in). It's our own fault for being too eager to upgrade, I guess.

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• Security tab missing on Windows 7 VM

  - by Chris

  I am trying to get a .NET website running. The problem I am getting can be resolved by setting the security on the folder that the site is running from, but I do not have a security tab. I am running window 7 in VM on MAC.

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• git-daemon fails on VM suspend and resume

  - by fuzzy lollipop

  I have Gitorious running on a Centos 5.3 install on a VMWare virtual machine under VMWare Server. Everytime we take down the server via suspend to back up the image, and resume the VM, the git-daemon dies. All my other processes continue to function without any problems, this one process dies and has to be manually be restarted. Does anyone have any ideas why this might be happening, or how to make sure this process never dies off?

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• Cocos3d lighting problem

  - by Parasithe

  I'm currently working on a cocos3d project, but I'm having some trouble with lighting and I have no idea how to solve it. I've tried everything and the lighting is always as bad in the game. The first picture is from 3ds max (the software we used for 3d) and the second is from my iphone app. http://prntscr.com/ly378 http://prntscr.com/ly2io As you can see, the lighting is really bad in the app. I manually add my spots and the ambiant light. Here is all my lighting code : _spot = [CC3Light lightWithName: @"Spot" withLightIndex: 0]; // Set the ambient scene lighting. ccColor4F ambientColor = { 0.9, 0.9, 0.9, 1 }; self.ambientLight = ambientColor; //Positioning _spot.target = [self getNodeNamed:kCharacterName]; _spot.location = cc3v( 400, 400, -600 ); // Adjust the relative ambient and diffuse lighting of the main light to // improve realisim, particularly on shadow effects. _spot.diffuseColor = CCC4FMake(0.8, 0.8, 0.8, 1.0); _spot.specularColor = CCC4FMake(0, 0, 0, 1); [_spot setAttenuationCoefficients:CC3AttenuationCoefficientsMake(0, 0, 1)]; // Another mechansim for adjusting shadow intensities is shadowIntensityFactor. // For better effect, set here to a value less than one to lighten the shadows // cast by the main light. _spot.shadowIntensityFactor = 0.75; [self addChild:_spot]; _spot2 = [CC3Light lightWithName: @"Spot2" withLightIndex: 1]; //Positioning _spot2.target = [self getNodeNamed:kCharacterName]; _spot2.location = cc3v( -550, 400, -800 ); _spot2.diffuseColor = CCC4FMake(0.8, 0.8, 0.8, 1.0); _spot2.specularColor = CCC4FMake(0, 0, 0, 1); [_spot2 setAttenuationCoefficients:CC3AttenuationCoefficientsMake(0, 0, 1)]; _spot2.shadowIntensityFactor = 0.75; [self addChild:_spot2]; I'd really appreciate if anyone would have some tip on how to fix the lighting. Maybe my spots are bad? maybe it's the material? I really have no idea. Any help would be welcomed. I already ask some help on cocos2d forums. I had some answers but I need more help.

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• Get Your Enterprise Working With Oracle On Track Communication 1.0

  - by Josh Lannin

  The On Track Development team is very pleased to announce that today On Track is available for our customers to download and evaluate.  To learn more about what On Track does start with our whitepaper and datasheet.   If you are a developer, take a look at our documentation and samples posted to our OTN page. For this first blog post, I’ll be speaking to several notable points about our product. Graceful Escalation via Conversations: On Track addresses the “Collaboration Problem” through a single guiding principle – graceful escalation – within the construct of a Conversation. In On Track, collaboration is based on a context (called a “Conversation”) that gracefully escalates in form, structure, and content, as dictated by the particular needs of a given collaboration.  Within that context, On Track provides a rich set of tools to choose from.  These tools provide for communication, coordination, content management, organization, decision making, and analysis -- all essential aspects of collaboration, but not all of them are essential all of the time.  Every collaborative interaction will evolve differently.  Some will evolve to represent work spreading over the course of years and involving a large, distributed team, while others may involve few people and not evolve at all.  Regardless, all collaborative contexts are built from the same parts, utilize the same concepts, and start the same way.  The principle of graceful escalation is that you only use the tools and structure you need; so you only incur the complexity you need. Purposeful Collaboration: Through application integration, On Track Conversations bring enterprise application users the communication and collaboration capabilities required to complete business process.  By association with specific processes or business objects conversations extend the possible interactions and broaden participation to internal or external non-application users and provide a sophisticated interaction experience, all the while enhancing the data set within the owning application.  Purposeful collaboration not only needs to happen in the context of applications, it must support a full range of real-time and long-running interactions to provide the greatest value. Multi Client, Multi Modal: This On Track 1.0 product release includes the same day availability of  multiple clients, including iPhone and iPad applications which are now available on the Apple Store, a fully capable and accessible Outlook Add-In, along with our browser web client.  With each client we have sought to leverage the strengths of each unique device- our iPhone client supports picture and voice posts, the iPad is optimized for meeting room situations and document viewing, and our Outlook add-in allows you to take emails in context and bring them into On Track.  In addition to supporting a diverse array of clients, On Track provides a unified multi modal experience support starting with basic messages moving through to integrated documents with live annotations, snapshots, application sharing, and voice. Next Generation Web Architecture: We believe On Track will help move the bar higher for what users can expect from all web applications, most notably ones that involve real-time activity.  On Track is built from the ground up with an innovative, real-time architecture that leverages the extensive push capabilities of our server.  Whether you are receiving a new message, viewing where crowds of people are collaborating, or doing live annotation on a document with a set of people, that information comes to you immediately without refreshes or moving back and forth between pages.  We’ve leveraged this core architecture across the product experience and raised the user experience bar for this type of application.  As well these capabilities are based on open standards and protocols, and are fully extensible by anyone- enabling sophisticated integrations to be created with a wide variety of both legacy and next-generation applications. Agile Product Development: As a product team we operate using continuous feedback and modified agile development methodologies.  We have thousands of active internal Oracle users who have helped pilot our product for critical business functions, and the On Track product development team uses our product as our primary vehicle for all our collaboration.  Additionally we been working with early access customers who are adopting our technology and providing us valuable feedback - which our process has rapidly realized in improvements to our software.  On Track agility extends to our server as well, which is built to scale, and is very simple to install and configure. We are pleased to make this product announcement and encourage you to join us on Facebook or follow us on Twitter, as well as checking back here for the latest product information.

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• Attaching two objects and changing their world matrices accordingly

  - by A-Type

  I'm having a hard time wrapping my head around the transformations required to bind two objects together in either a two-way or one-way relationship. I will need to implement both types. For the first case, I want to be able to 'couple' two ships together in space. The ships have different mass, of course. Forces applied to either ship will use combined mass and moment of inertia to calculate and move both ships. The trick is, being sure that the point at which they are coupled remains the same, and they don't move at all relative to each other. The second case is similar: I want a ship to be able to enter the atmosphere of a planet and move relative to the planet. The planet will be orbiting the sun, which is fixed at 0,0,0. Essentially, when the ship is sitting still outside of the atmosphere, the planet will move past it on its course-- but when the ship is sitting still inside the atmosphere, it moves and rotates with the planet, so that it is always relative to the horizon. Essentially, the vertices which make up the ship are now transformed just like the ones that make up the planet, except that the ship can move itself around relative to the planet. I get the feeling I can implement both of these with the same code. Essentially, I am thinking of giving each object (which I call Fixtures) a list of "slave" Fixtures onto which that Fixture's world matrix is imposed. So, this would be the planet imposing its world on any contained ships. In the case of coupling, I would simply make each ship a slave of the other, somehow. Obviously I can't just multiply the ship's world matrix by the planet's, or each ship by the others. What I'd like some help with is what calculations to make in order to get a nice, seamless relative world to the other object. I was thinking maybe I could just multiply the world of the slave by the inverse of the master, but then when you couple two ships you would lose all that world data. So, perhaps I need an intermediate "world" which is the absolute world, but use a secondary "final world" to actually transform the objects?

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• Why is my primitive xna square not drawn/shown?

  - by Mech0z

  I have made this class to draw a rectangle, but I cant get it to be drawn, I have no issues displaying a 3d model created in 3dmax, but shown these primitives seems much harder I use this to create it board = new Board(Vector3.Zero, 1000, 1000, Color.Yellow); And here is the implementation using System; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Ink; using System.Windows.Input; using System.Windows.Shapes; using Quadro.Models; using Microsoft.Xna.Framework; using Microsoft.Xna.Framework.Graphics; namespace Quadro { public class Board : IGraphicObject { //Private Fields private Vector3 modelPosition; private BasicEffect effect; private VertexPositionColor[] vertices; private Matrix rotationMatrix; private GraphicsDevice graphicsDevice; private Matrix cameraProjection; //Constructor public Board(Vector3 position, float length, float width, Color color) { var _color = color; vertices = new VertexPositionColor[6]; vertices[0].Position = new Vector3(position.X, position.Y, position.Z); vertices[1].Position = new Vector3(position.X, position.Y + width, position.Z); vertices[2].Position = new Vector3(position.X + length, position.Y, position.Z); vertices[3].Position = new Vector3(position.X + length, position.Y, position.Z); vertices[4].Position = new Vector3(position.X, position.Y + width, position.Z); vertices[5].Position = new Vector3(position.X + length, position.Y + width, position.Z); for(int i = 0; i < vertices.Length; i++) { vertices[i].Color = color; } initFields(); } private void initFields() { graphicsDevice = SharedGraphicsDeviceManager.Current.GraphicsDevice; effect = new BasicEffect(graphicsDevice); modelPosition = Vector3.Zero; float screenWidth = (float)graphicsDevice.Viewport.Width; float screenHeight = (float)graphicsDevice.Viewport.Height; float aspectRatio = screenWidth / screenHeight; this.cameraProjection = Matrix.CreatePerspectiveFieldOfView(MathHelper.ToRadians(45.0f), aspectRatio, 1.0f, 10000.0f); this.rotationMatrix = Matrix.Identity; } //Public Methods public void Update(GameTimerEventArgs e) { } public void Draw(Vector3 cameraPosition, GameTimerEventArgs e) { Matrix cameraView = Matrix.CreateLookAt(cameraPosition, Vector3.Zero, Vector3.Up); foreach (EffectPass pass in effect.CurrentTechnique.Passes) { pass.Apply(); effect.World = rotationMatrix * Matrix.CreateTranslation(modelPosition); effect.View = cameraView; effect.Projection = cameraProjection; graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleList, vertices, 0, 2, VertexPositionColor.VertexDeclaration); } } public void Rotate(Matrix rotationMatrix) { this.rotationMatrix = rotationMatrix; } public void Move(Vector3 moveVector) { this.modelPosition += moveVector; } } }

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• Is it possible to add an existing Azure VM to an Azure Virtual Network?

  - by Dan Harris

  Didn't think this was directly related to programming, so thought Superuser would be better than Stack Overflow.... Is it possible to add an existing Azure VM to an Azure Virtual Network if you didn't add it to the virtual network at the time of creation? I can't see an option to change which Virtual Network the VM is connected to. Do you just have to do it at the time you create the VM, and if you don't do it then you will need to re-create the VM and delete the existing one? Example of the scenario: No VM's or Virtual Networks exist I create a VM (VM1), there is no virtual network so it isn't added to one Later I create a Virtual Network in Azure (Network1) It is possible to create another VM (VM2) and connect it to the Virtual Network (Network1), but can I connect VM1 to Network1 or must I delete VM1 and re-create it to get it connected to Network1?

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• My 3D Games crashing in these scenarios

  - by desaivv

  I have a situation here which I am unable to solve. I bought a PC last year March, here are my specs: Intel Core i3 550 @ 3GHz 4 GB RAM @400 MHz XFX GeForce 9500 GT graphics card 1GB @550MHz 500 GB HDD Lately as soon as I load my save game of Skyrim, it crashes. I have been playing Skyrim since I joined Gaming.SE site. Crashes as in the entire scene gets red lines. I can not ALT + TAB back or even CTRL + ALT + DEL either. My only recourse is a hard reset via the power button. Can not take a screen shot either. I have the latest Forceware 296.10 drivers also. This has been happening since the last 2 weeks. I always use Driver Sweeper to clean my old drivers, since that is what XFXForce recommends before installing new drivers. I installed MSI Afterburner lately to see my GPU temperature. My GPU is default, never over-clocked it. In MSI's Afterburner, I can not adjust fan speed. It is greyed out. Also in settings there is no fan tab. With normal Internet browsing it stays at 51 C. Ran Memtest86 over night with level 11. Took about 13 hours, but no errors in my RAM. I even re-installed my OS, with just the 296 drivers. The fan for the GPU does come on. I can play Diablo 2. I can not get past Warcraft 3's menu selection. There WAS some dust in my machine, but I always try and keep everything clean, since in my home town dust is an issue. Always keep cool my entire PC cabinet. My friend came with his functioning graphics card, we bought our PCs at the same time with exact same specifications. His card did not work either. Same problem with the scene freezing with red lines. I did do my research before posting here. That is how I was able to learn about MSI Afterburner, Driver Sweeper, SpeedFan etc. I followed posts on Tom's Hardware too regarding people that had similar problems. One person suggested and was followed by worked as well the suggestion to "Bake the card in an oven". Since I bought it, played Diablo 2 for months, Starcraft 2 campaign for months and Skyrim recently for months. Bought ME3 also. I am at my wits end. I do not know what else to do. I can go out and buy a card, but my friend's card did not work either. I can use the machine for Eclipse or VS2010 development just fine. Just not with 3D gaming. I originally posted this question on Gaming.SE But I was directed here. I have browsed the SU database for my problem and found this, this, and this. But none of these cover my question. My machine is only one year old. Can some experienced superuser(s) shed some light on this scenario? Is it a 3D graphics card problem? Will a brand new card work? What else can I try to pin point the problem? Can it be the Motherboard? Thanks.

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• Transferring data from Salesforce using Apex Data Loader to Oracle

  - by Barret

  While attempting to transfer data from Salesforce using Apex Data Loader to Oracle Keep getting the following error: 26937 [databaseAccountExtract] FATAL com.salesforce.dataloader.dao.database.Data baseContext - Error getting value for SQL parameter: nkey__c. Please make sure that the value exists in the configuration file or is passed in. Database conf iguration: insertAccount. The database-conf.xml has the following beans: <bean id="insertAccount" class="com.salesforce.dataloader.dao.database.DatabaseConfig" singleton="true"> <property name="sqlConfig" ref="insertAccountSql"/> <property name="dataSource" ref="dbDataSource"/> </bean> <bean id="insertAccountSql" class="com.salesforce.dataloader.dao.database.SqlConfig" singleton="true"> <property name="sqlString"> <value> INSERT INTO VANTROPO.SF_ACCOUNTCHANNEL (nkey__c) VALUES (@nkey__c@) </value> </property> <property name="sqlParams"> <map> <entry key="nkey__c" value="java.lang.String"/> </map> </property> </bean> The SDL (mapping file) has the following values: # Account Insert Mapping values for query from Salesforce (left) and insert/update to Oracle (right) # SalesforceFieldName=OracleFieldName nkey__c=NKEY__C Any help appreciated.

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• Perl DBI doesn't work with Oracle 11g

  - by John

  I am getting the following error connecting to an Oracle 11g database using a simple perl script: failed: ERROR OCIEnvNlsCreate. Check ORACLE_HOME (Linux) env var or PATH (Windows) and or NLS settings, permissions, etc. at The script is as follows: #!/usr/local/bin/perl use strict; use DBI; if ($#ARGV < 3) { print "Usage: perl testDbAccess.pl dataBaseUser dataBasePassword SID dataBasePort\n"; exit 0; } my ($user, $pwd, $sid, $port) = @ARGV; my $host = `hostname`; my $dbh; my $sth; my $dbname = "dbi:Oracle:HOST=$host;SID=$sid;PORT=$port"; openDbConnection(); closeDbConnection(); sub openDbConnection() { $dbh = DBI->connect ($dbname, $user ,$pwd , { RaiseError => 1}) || die "Database connection not made: $DBI::errstr"; } sub closeDbConnection() { #$sth->finish(); $dbh->disconnect(); } Anyone seen this problem before? /john

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• Parsing SOAP XML in Oracle

  - by user258587

  Hi I am new to Oracle and I am working on something that needs to parse a SOAP request and save the address to DB Tables. I am using the XML parser in Oracle (XMLType) with XPath but am struggling since I can't figure out the way to parse the SOAP request because it has multiple namespaces. Could anyone give me an example? Thanks in advance!!! edit It would be a typical SOAP request similar to the one below. <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:soap="http://soap.service.****.com"> <soapenv:Header /> <soapenv:Body> <soap:UpdateElem> <soap:request> <soap:att1>123456789</soap:att1> <soap:att2 xsi:nil="true" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" /> <soap:att3>L</soap:att3> ..... </soap:request> </soap:UpdateElem> </soapenv:Body> </soapenv:Envelope> I need to retrieve parameters att1, att2... and save them in to a DB table.

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• Mono ASP.NET Oracle Connection

  - by bladepit

  Hello to everybody, if i want to connect to orcale i became the following error: libclntsh.so Description: HTTP 500. Error processing request. Stack Trace: System.DllNotFoundException: libclntsh.so at (wrapper managed-to-native) System.Data.OracleClient.Oci.OciCalls/OciNativeCalls.OCIEnvCreate (intptr&,System.Data.OracleClient.Oci.OciEnvironmentMode,intptr,intptr,intptr,intptr,int,intptr) <0x0005d at System.Data.OracleClient.Oci.OciCalls.OCIEnvCreate (intptr&,System.Data.OracleClient.Oci.OciEnvironmentMode,intptr,intptr,intptr,intptr,int,intptr) [0x00000] in /src/monoscript/mono-2.4.2.3/mcs/class/System.Data.OracleClient/System.Data.OracleClient.Oci/OciCalls.cs:738 at System.Data.OracleClient.Oci.OciEnvironmentHandle..ctor (System.Data.OracleClient.Oci.OciEnvironmentMode) [0x00013] in /src/monoscript/mono-2.4.2.3/mcs/class/System.Data.OracleClient/System.Data.OracleClient.Oci/OciEnvironmentHandle.cs:35 at System.Data.OracleClient.Oci.OciGlue.CreateConnection (System.Data.OracleClient.OracleConnectionInfo) [0x00000] in /src/monoscript/mono-2.4.2.3/mcs/class/System.Data.OracleClient/System.Data.OracleClient/OciGlue.cs:86 at System.Data.OracleClient.OracleConnectionPoolManager.CreateConnection (System.Data.OracleClient.OracleConnectionInfo) [0x00006] in /src/monoscript/mono-2.4.2.3/mcs/class/System.Data.OracleClient/System.Data.OracleClient/OracleConnectionPoolManager.cs:57 at System.Data.OracleClient.OracleConnectionPool.CreateConnection () [0x0000e] in /src/monoscript/mono-2.4.2.3/mcs/class/System.Data.OracleClient/System.Data.OracleClient/OracleConnectionPool.cs:97 at System.Data.OracleClient.OracleConnectionPool.GetConnection () [0x000ba] in /src/monoscript/mono-2.4.2.3/mcs/class/System.Data.OracleClient/System.Data.OracleClient/OracleConnectionPool.cs:74 at System.Data.OracleClient.OracleConnection.Open () [0x00061] in /src/monoscript/mono-2.4.2.3/mcs/class/System.Data.OracleClient/System.Data.OracleClient/OracleConnection.cs:410 at WebServer.Controllers.HomeController.Index () [0x00006] in /home/bhcweb/Projects/Controllers/HomeController.cs:19 at (wrapper dynamic-method) System.Runtime.CompilerServices.ExecutionScope.lambda_method (System.Runtime.CompilerServices.ExecutionScope,System.Web.Mvc.ControllerBase,object[]) <0x00080 at System.Web.Mvc.ActionMethodDispatcher.Execute (System.Web.Mvc.ControllerBase,object[]) <0x0001b at System.Web.Mvc.ReflectedActionDescriptor.Execute (System.Web.Mvc.ControllerContext,System.Collections.Generic.IDictionary2<string, object>) <0x000fd> at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod (System.Web.Mvc.ControllerContext,System.Web.Mvc.ActionDescriptor,System.Collections.Generic.IDictionary2) <0x0001c at System.Web.Mvc.ControllerActionInvoker/c_AnonStoreyB.<m_E () <0x00067 at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter (System.Web.Mvc.IActionFilter,System.Web.Mvc.ActionExecutingContext,System.Func`1) <0x000c4 What is my Problem there? I have read that i have to set my ORACLE_HOME AND LD_LIBRARY_PATH. If i do echo $ORACLE_HOME and $LD_LIBRARY_PATH the path which i have set is coming out: /usr/lib/oracle/xe/app/oracle/product/10.2.0/client/lib This is the path where the libclntsh.so is in. Is this right? Best regards bladepit

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• Ibator didn't generate Oracle varchar2 field

  - by bugbug

  I have table APP_REQ_APPROVE_COMPARE with following fields: "ID" NUMBER NOT NULL ENABLE, "TRACK_NO" VARCHAR2(20 BYTE) NOT NULL ENABLE, "REQ_DATE" DATE NOT NULL ENABLE, "OFFCODE" CHAR(6 BYTE) NOT NULL ENABLE, "COMPARE_CASE_ID" NUMBER NOT NULL ENABLE, "VEHICLE_NAME" VARCHAR2(100 BYTE), "ENGINE_NO" VARCHAR2(100 BYTE), "BODY_NO" VARCHAR2(100 BYTE), "HOLD_SHIP" NUMBER, "OWNERSHIP" VARCHAR2(200 BYTE), "RENT_NAME" VARCHAR2(200 BYTE), "CONTRACT" VARCHAR2(100 BYTE), "CONTRACT_NO" VARCHAR2(100 BYTE), "CONTRACT_DATE" DATE, "ISLAWBREAKERRENT" CHAR(1 BYTE) NOT NULL ENABLE, "MISTAKE_DETAIL" VARCHAR2(4000 BYTE), "COMPARE_REASON" VARCHAR2(4000 BYTE), "CREATE_BY" NUMBER NOT NULL ENABLE, "CREATE_ON" DATE DEFAULT SYSDATE NOT NULL ENABLE, "UPDATE_BY" NUMBER, "UPDATE_ON" DATE, When I generate a java bean using Ibator , I didn't find trackNo, VehicalName, ... (all fields defined as varchar2). What is the problem in my case? Here is my Ibator configuration file: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE ibatorConfiguration PUBLIC "-//Apache Software Foundation//DTD Apache iBATIS Ibator Configuration 1.0//EN" "http://ibatis.apache.org/dtd/ibator-config_1_0.dtd"> <ibatorConfiguration> <classPathEntry location="/dos/connector/oracle_jdbc.jar"/> <ibatorContext id="autoPerson" defaultModelType="flat" targetRuntime="Ibatis2Java2"> <jdbcConnection connectionURL="jdbc:oracle:thin:@192.168.42.144:1521:orcl" driverClass="oracle.jdbc.driver.OracleDriver" userId="user" password="password"/> <javaModelGenerator targetPackage="com.ko.model" targetProject="FormConfig"> <property name="enableSubPackages" value="true"/> <property name="trimStrings" value="true"/> </javaModelGenerator> <sqlMapGenerator targetPackage="com.ko.map" targetProject="FormConfig"> <property name="enableSubPackages" value="true"/> </sqlMapGenerator> <daoGenerator targetPackage="com.ko.model.dao" type="SPRING" targetProject="FormConfig" implementationPackage="com.ko.model.dao.impl" > <property name="enableSubPackges" value="true"/> <property name="methodNameCalculator" value="extended"/> </daoGenerator> <table tableName="APP_REQ_APPROVE_COMPARE" domainObjectName="AppReqApproveCompare"/> <ibatorConfiguration>

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• Add new row in a databound form with a Oracle Sequence as the primary key

  - by Ranhiru

  I am connecting C# with Oracle 11g. I have a DataTable which i fill using an Oracle Data Adapter. OracleDataAdapter da; DataTable dt = new DataTable(); da = new OracleDataAdapter("SELECT * FROM Author", con); da.Fill(dt); I have few text boxes that I have databound to various rows in the data table. txtAuthorID.DataBindings.Add("Text", dt, "AUTHORID"); txtFirstName.DataBindings.Add("Text", dt, "FIRSTNAME"); txtLastName.DataBindings.Add("Text", dt, "LASTNAME"); txtAddress.DataBindings.Add("Text", dt, "ADDRESS"); txtTelephone.DataBindings.Add("Text", dt, "TELEPHONE"); txtEmailAddress.DataBindings.Add("Text", dt, "EMAIL"); I also have a DataGridView below the Text Boxes, showing the contents of the DataTable. dgvAuthor.DataSource = dt; Now when I want to add a new row, i do bm.AddNew(); where bm is defined in Form_Load as BindingManagerBase bm; bm = this.BindingContext[dt]; And when the save button is clicked after all the information is entered and validated, i do this.BindingContext[dt].EndCurrentEdit(); try { da.Update(dt); } catch (Exception ex) { MessageBox.Show(ex.Message); } However the problem comes where when I usually enter a row to the database (using SQL Plus) , I use a my_pk_sequence.nextval for the primary key. But how do i specify that when i add a new row in this method? I catch this exception ORA-01400: cannot insert NULL into ("SYSMAN".AUTHOR.AUTHORID") which is obvious because nothing was specified for the primary key. How do get around this? Thanx a lot in advance :)

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• Oracle doesn't remove cursors after closing result set

  - by Vladimir

  Note: we reuse single connection. ************************************************ public Connection connection() {                try {            if ((connection == null) || (connection.isClosed()))            {               if (connection!=null) log.severe("Connection was closed !");                connection = DriverManager.getConnection(jdbcURL, username, password);            }        } catch (SQLException e) {            log.severe("can't connect: " + e.getMessage());        }        return connection;            } ************************************************** public IngisObject[] select(String query, String idColumnName, String[] columns) { Connection con = connection(); Vector<IngisObject> objects = new Vector<IngisObject>(); try {     Statement stmt = con.createStatement();     String sql = query;     ResultSet rs =stmt.executeQuery(sql);//oracle increases cursors count here     while(rs.next()) {        IngisObject o = new IngisObject("New Result");        o.setIdColumnName(idColumnName);                    o.setDatabase(this);        for(String column: columns) o.attrs().put(column, rs.getObject(column));        objects.add(o);        }     rs.close();// oracle don't decrease cursor count here, while it's expected     stmt.close();     } catch (SQLException ex) {     System.out.println(query);     ex.printStackTrace(); }

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• How to export Oracle statistics

  - by A_M

  Hi, I am writing some new SQL queries and want to check the query plans that the Oracle query optimiser would come up with in production. My development database doesn't have anything like the data volumes of the production database. How can I export database statistics from a production database and re-import them into a development database? I don't have access to the production database, so I can't simply generate explain plans on production without going through a third party hosting organisation. This is painful. So I want a local database which is in some way representative of production on which I can try out different things. Also, this is for a legacy application. I'd like to "improve" the schema, by adding appropriate indexes. constraints, etc. I need to do this in my development database first, before rolling out to test and production. If I add an index and re-generate statistics in development, then the statistics will be generated around the development data volumes, which makes it difficult to assess the impact my changes on production. Does anyone have any tips on how to deal with this? Or is it just a case of fixing unexpected behaviour once we've discovered it on production? I do have a staging database with production volumes, but again I have to go through a third party to run queries against this, which is painful. So I'm looking for ways to cut out the middle man as much as possible. All this is using Oracle 9i. Thanks.

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• DBD::Oracle and utf8 issue

  - by goe

  Hi All, I have a problem where my perl code using the latest DBD::Oracle on perl v5.8.8 throws an exception on me when I try to insert characters like 'ñ'. Exception: DBD::Oracle::db do failed: ORA-01756: quoted string not properly terminated (DBD ERROR: OCIStmtPrepare) My $ENV{NLS_LANG} is set to 'AMERICAN_AMERICA.AL32UTF8' These are the DB params based on "SELECT * from NLS_DATABASE_PARAMETERS" 1 NLS_LANGUAGE AMERICAN 2 NLS_TERRITORY AMERICA 3 NLS_CURRENCY $ 4 NLS_ISO_CURRENCY AMERICA 5 NLS_NUMERIC_CHARACTERS ., 6 NLS_CHARACTERSET AL32UTF8 7 NLS_CALENDAR GREGORIAN 8 NLS_DATE_FORMAT DD-MON-RR 9 NLS_DATE_LANGUAGE AMERICAN 10 NLS_SORT BINARY 11 NLS_TIME_FORMAT HH.MI.SSXFF AM 12 NLS_TIMESTAMP_FORMAT DD-MON-RR HH.MI.SSXFF AM 13 NLS_TIME_TZ_FORMAT HH.MI.SSXFF AM TZR 14 NLS_TIMESTAMP_TZ_FORMAT DD-MON-RR HH.MI.SSXFF AM TZR 15 NLS_DUAL_CURRENCY $ 16 NLS_COMP BINARY 17 NLS_LENGTH_SEMANTICS BYTE These are perl params based on "$db-ora_nls_parameters()" $VAR1 = { 'NLS_LANGUAGE' => 'AMERICAN', 'NLS_TIME_TZ_FORMAT' => 'HH.MI.SSXFF AM TZR', 'NLS_SORT' => 'BINARY', 'NLS_NUMERIC_CHARACTERS' => '.,', 'NLS_TIME_FORMAT' => 'HH.MI.SSXFF AM', 'NLS_ISO_CURRENCY' => 'AMERICA', 'NLS_COMP' => 'BINARY', 'NLS_CALENDAR' => 'GREGORIAN', 'NLS_DATE_FORMAT' => 'DD-MON-RR', 'NLS_DATE_LANGUAGE' => 'AMERICAN', 'NLS_TIMESTAMP_FORMAT' => 'DD-MON-RR HH.MI.SSXFF AM', 'NLS_TERRITORY' => 'AMERICA', 'NLS_LENGTH_SEMANTICS' => 'BYTE', 'NLS_NCHAR_CHARACTERSET' => 'AL16UTF16', 'NLS_DUAL_CURRENCY' => '$', 'NLS_TIMESTAMP_TZ_FORMAT' => 'DD-MON-RR HH.MI.SSXFF AM TZR', 'NLS_NCHAR_CONV_EXCP' => 'FALSE', 'NLS_CHARACTERSET' => 'AL32UTF8', 'NLS_CURRENCY' => '$' }; Here are some other strange facts: If I set NLS_LANG to ‘'AMERICAN_AMERICA.UTF8’ the insert executes fine with ‘ñ’ character. If I leave NLS_LANG as ‘'AMERICAN_AMERICA.AL32UTF8' but use ‘Ñ’ the insert will run fine as well.

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• Distributed Cache with Serialized File as DataStore in Oracle Coherence

  - by user226295

  Weired but I am investigating the Oracle Coherence as a substitue for distribute cache. My primarr problem is that we dont have distribituted cache as such as of now in our app. Thats my major concern. And thats what I want to implement. So, lets say if I take up a machine and start a new (3rd) reading process, it will be able to connect to the cache and listen to the cache and will have a full set of cache triplicated (as of now its duplicated) Now thats waste from a common person stanpoint too. The size of the cache is 2 GB and without going distibuted its limiting us. Thats bring me to Coheremce. But now, we dont have database as persistent store too. we have the archival processes as our persistent store. (90 days worth of data) Ok now multiply that with soem where around 2 GB * 90 (thats the bare minimum we want to keep). Preliminary/Intermediate analysis of Coherence as a solution. And a (supposedly) brilliant thought crossed my mind. Why not have this as persistant storage with my distributed cache. Does Oracle Coherence support that. I will get rid of archiving infrastructure too (i hate daemon archiving processes). For some starnge reasons, I dont wanna go to the DB to replace those flat files. What say?, can Coherence be my savior? Any other stable alternate too. (Coherence is imposed on me by big guys, FYI)

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• Batch insert mode with hibernate and oracle: seems to be dropping back to slow mode silently

  - by Chris

  I'm trying to get a batch insert working with Hibernate into Oracle, according to what i've read here: http://docs.jboss.org/hibernate/core/3.3/reference/en/html/batch.html , but with my benchmarking it doesn't seem any faster than before. Can anyone suggest a way to prove whether hibernate is using batch mode or not? I hear that there are numerous reasons why it may silently drop into normal mode (eg associations and generated ids) so is there some way to find out why it has gone non-batch? My hibernate.cfg.xml contains this line which i believe is all i need to enable batch mode: <property name="jdbc.batch_size">50</property> My insert code looks like this: List<LogEntry> entries = ..a list of 100 LogEntry data classes... Session sess = sessionFactory.getCurrentSession(); for(LogEntry e : entries) { sess.save(e); } sess.flush(); sess.clear(); My 'logentry' class has no associations, the only interesting field is the id: @Entity @Table(name="log_entries") public class LogEntry { @Id @GeneratedValue public Long id; ..other fields - strings and ints... However, since it is oracle, i believe the @GeneratedValue will use the sequence generator. And i believe that only the 'identity' generator will stop bulk inserts. So if anyone can explain why it isn't running in batch mode, or how i can find out for sure if it is or isn't in batch mode, or find out why hibernate is silently dropping back to slow mode, i'd be most grateful. Thanks

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