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• PHP - turning register globals off, what is the best way to go about fixing the code?

  - by user187809

  I am working on a old code base, where programmers assumed that register_globals will always be on. Hence variables are used without $_GET or $_POST prefix, pretty much in every page (the code base is huge, hundreds of scripts). I tried turning it off, but the very first script (login script) goes on an infinite loop. I understand that going through one script at a time, and one line at a time and fixing the variables is probably the only option (adding the prefix $_GET or $_POST as the case may be). Has anyone does this before? How did you go about doing it? Any advice?

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• Casting in mixed type calculations in C?

  - by yCalleecharan

  Hi, If I define these variables: double x0, xn, h; int n; and I have this mathematical expression: h = (xn - x0)/n; Is it necessary that I cast n into double prior doing the division for maximum accuracy like in h = (xn - x0)/ (double) n; I wrote a program to check the above but both expressions give the same answers. I understand that C will promote the integer to double type as variables xn and x0 are of type double but strangely enough in a book, the second expression with casting was emphasized. Thanks a lot...

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• Accessing object's method within string

  - by Wild One

  Recently I was reading php documentation and found interesting note in string section: Functions, method calls, static class variables, and class constants inside {$} work since PHP 5. However, the value accessed will be interpreted as the name of a variable in the scope in which the string is defined. Using single curly braces ({}) will not work for accessing the return values of functions or methods or the values of class constants or static class variables. See www.php.net/manual/en/language.types.string.php It says, that I can't use curly syntax to get value returned by object's method call. Is it a mistake in manual or I misunderstood it, because I tried the following code and it works just fine: <?php class HelloWorld { public static function hello() { echo 'hello'; } } $a = new HelloWorld(); echo "{$a->hello()} world";

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• Neural network for aproximation function for board game

  - by Pax0r

  I am trying to make a neural network for aproximation of some unkown function (for my neural network course). The problem is that this function has very many variables but many of them are not important (for example in [f(x,y,z) = x+y] z is not important). How could I design (and learn) network for this kind of problem? To be more specific the function is an evaluation function for some board game with unkown rules and I need to somehow learn this rules by experience of the agent. After each move the score is given to the agent so actually it needs to find how to get max score. I tried to pass the neighborhood of the agent to the network but there are too many variables which are not important for the score and agent is finding very local solutions.

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• Java - Inheritance

  - by Gogi

  Why Instance variables of superclass are not overidden in Inheritance ?

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• PHP String to Float

  - by John

  I am not familiar with PHP at all and had a quick question. I have 2 variables @pricePerUnit and @invoicedUnits. Here's the code that is setting these to values: $InvoicedUnits = ((string) $InvoiceLineItem->InvoicedUnits); $pricePerUnit = ((string) $InvoiceLineItem->PricePerUnit); If I output this, I get the correct values. Lets say 5000 invoiced units and 1.00 for price. Now, I need to show the total amount spent. When I multiply these two together it doesn't work (as expected, these are strings). But I have no clue how to parse/cast/convert variables in PHP. What should I do?

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• Using jquery statement within a jquery data object

  - by richardverbruggen

  As part of a jquery function u use this ajax post statement to get some reaction from a server. I want to pass some arguments to my test page. But these must be variables and are declared on the previous lines (iid and inst) How can i put these variables within the data object marked with the XX? iid = $(this).attr('iid'); inst = $(this).attr('inst'); $.post("test.php", { inst: XX, iid: XX},function(data){ alert("Data Loaded: " + data); });

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• Array Flatten does not work (Instnace variable nil)

  - by Nick

  I was trying to write a simple array flatten method, but it does not work using instance variable. It works only using class variables. Can anyone tell me why? and how to make it work using instance variables. class Array @y = [] def flatten_array self.each do |x| if x.class.to_s != 'Array' @y << x else x.flatten_array end end return @y end end a = [1,2,3,4,5] b = [6,7,8] c = [9,10] a1 = [12,13,a,b,c] puts a1.inspect b1 = a1.flatten_array puts b1.inspect

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• Array Flatten does not work (Instanace variable nil)

  - by Nick

  I was trying to write a simple array flatten method, but it does not work using instance variable. It works only using class variables. Can anyone tell me why? and how to make it work using instance variables. class Array @y = [] def flatten_array self.each do |x| if x.class.to_s != 'Array' @y << x else x.flatten_array end end return @y end end a = [1,2,3,4,5] b = [6,7,8] c = [9,10] a1 = [12,13,a,b,c] puts a1.inspect b1 = a1.flatten_array puts b1.inspect

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• How would one dynamically load Javascript that has been parsed as PHP?

  - by beatsforthemind

  I am looking to dynamically load javascript that has been parsed as PHP so that I will be able to pass PHP variables to javascript, and then load this file into the primary PHP document. I have a document called myscript.js.php that includes the javascript and PHP. I attempted to load it into the primary document using jQuery's getScript like this: $.getScript("myscript.js.php", function() { alert('loaded script.'); }); This attempt failed - I am assuming because of the .php extension on the file. Is there anyway to dynamically load javascript that includes PHP? I have a few session variables that I am looking to pass through javascript that will be updated frequently, creating a need for the javascript to be reloaded.

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• Grabbing value of pointers

  - by user1205956

  In C++ I am making a static library where I must set two variables equal to the value of the objects sent in to the method. This is what I have: bool setTags(char *pStartTag, char *pEndTag) { // Code to set the tags here. return true; } Basically the calling function puts in two character arrays. I am required to do it this way so I cannot deviate on these ways. How do I set two variables equal to the whole character array that is passed through?

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• ADODB DB2 DSN using IBMDADB2 provider

  - by Eli Sand

  I have a very bizarre issue with trying to establish a working connection to an IBM DB2 server from Classic ASP using ADODB. On my development server I am running IIS and have a local instance of DB2 running. When I create a system DSN on this server and try to connect to it with ADODB, I have to specify Provider=IBMDADB2; in my connection along with the DSN name - failure to include the provider and my connection won't work. On my production server(s), I have one running IIS and a second system running an instance of DB2. When I create a system DSN on the production IIS server and try to connect to it with ADODB, I cannot specify the provider, otherwise it throws an uncatchable error in an external module (I assume it's referring to the DB2 module) if I try to do anything past get a connection (oddly, opening the connection itself doesn't throw an error - but if I run a query it does). If I remove the Provider=IBMDADB2; from the connection string (thus I just have DSN=some_name), it works fine. On both systems I can verify through the ODBC connection manager that the DSN's work and can connect to the databases, and on both systems I have made sure to set the correct (only) instance of DB2 as the default. Can anyone tell me why I have to have different connection strings for the development and production servers? I would like to be able to use the same connection string for both environments if at all possible. If that means either specifying a provider for both, or for neither I don't care which - I would just like to know what's going on and how to fix it.

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• Connectivity with SQL Server Express 2008 r2 and SQL Server 2000 on same machine

  - by Jim R

  At first glance this may same a duplicate of Installing both SQL Server 2000 and SQL Server 2008 on the same machine, but it is not. I have SQL Server 2000 and SQL Server 2008 R2 installed on the same machine and working fine. My problem lies with connecting to the 2008 R2 server from a remote machine. My connectivity needs to be TCP. The legacy installation or SQL 2000 uses the default port of 1433. The named instance is by default configured to use 'Shared Memory' and is working fine. When I configured the 2008 R2 server to use 1433 (I did not think that thru) the service refused to start becasue 1433 was already in use by the legacy SQL 2000 default instance. Doh! What I want to do is have both servers available simultaneously via TCP. both servers need not be on the same port, put if I cannot run them on the same port, then how do I configure the clients? Is there not some kind of proxy available that can monitor the 1433 port and pass the request thru to the correct SQL instance by name? Is this capability built into SQL server already? Thanks, Jim

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• Cisco adaptive security appliance is dropping packets where SYN flag is not set

  - by Brett Ryan

  We have an apache instance sitting inside our DMZ which is configured to proxy requests to an internal NATed tomcat instance inside our network. It works fine, but then all of a sudden requests from apache to the tomcat instance stop getting through with the following in the apache logs: [error] (70007)The timeout specified has expired: ajp_ilink_receive() can't receive header Investigating into the Cisco log viewer reveals the following: Error Message %ASA-6-106015: Deny TCP (no connection) from IP_address/port to IP_address/port flags tcp_flags on interface interface_name. Explanation The adaptive security appliance discarded a TCP packet that has no associated connection in the adaptive security appliance connection table. The adaptive security appliance looks for a SYN flag in the packet, which indicates a request to establish a new connection. If the SYN flag is not set, and there is not an existing connection, the adaptive security appliance discards the packet. Recommended Action None required unless the adaptive security appliance receives a large volume of these invalid TCP packets. If this is the case, trace the packets to the source and determine the reason these packets were sent. All are machines are virtualised using VMware, and by default machines have been using the Intel E1000 emulated NIC. Our network administrator has changed this to a VMXNET3 driver in an attempt to correct the problem, we just have to wait and see if the problem persists as it's an intermittent problem. Is there something else that could be causing this problem? This isn't the first service where we have had similar issues. Our apache host is running Ubuntu 11.10 with a kernel version of 3.0.0-17-server. We have also had this issue on RHEL5 (5.8) running kernel 2.6.18-308.16.1.el5, this machine also has the E1000 NIC. NOTE: I am not a network administrator and am a software architect and analyst programmer responsible for these systems.

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• Could not continue scan with NOLOCK due to data movement during installation

  - by dbdev1

  I am running Windows Server 2008 Standard Edition R2 x64 and I installed SQL Server 2008 Developer Edition. All of the preliminary checks run fine (Apart from a warning about Windows Firewall and opening ports which is unrelated to this and shouldn't be an issue - I can open those ports). Half way through the actual installation, I get a popup with this error: Could not continue scan with NOLOCK due to data movement. The installation still runs to completion when I press ok. However, at the end, it states that the following services "failed": database engine services sql server replication full-text search reporting services How do I know if this actually means that anything from my installation (which is on a clean Windows Server setup - nothing else on there, no previous SQL Servers, no upgrades, etc) is missing? I know from my programming experience that locks are for concurrency control and the Microsoft help on this issue points to changing my query's lock/transactions in a certain way to fix the issue. But I am not touching any queries? Also, now that I have installed the app, when I login, I keep getting this message: TITLE: Connect to Server ------------------------------ Cannot connect to MSSQLSERVER. ------------------------------ ADDITIONAL INFORMATION: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 67) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=67&LinkId=20476 ------------------------------ BUTTONS: OK ------------------------------ I went into the Configuration Manager and enabled named pipes and restarted the service (this is something I have done before as this message is common and not serious). I have disabled Windows Firewall temporarily. I have checked the instance name against the error logs. Please advise on both of these errors. I think these two errors are related. Thanks

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• VMRC equivalent for Hyper-V?

  - by Ian Boyd

  VMRC was the client tool used to connect to virtual machines running on Virtual Server. Upgrading to Windows Server 2008 R2 with the Hyper-V role, i need a way for people to be able to use the virtual machines. Note: not all virtual machines will have network connectivity not all virtual machines will be running Windows some people needing to connect to a virtual machine will be running Windows XP Hyper-V manager, allowing management of the hyper-v server, is less desirable (since it allows management of the hyper-v server (and doesn't work on all operating systems)) What is the Windows Server 2008 R2 equivalent of VMRC; to "vnc" to a virtual server? Update: i think Tatas was suggesting Microsoft System Center Virtual Machine Manager Self-Service Portal 2.0 (?): Which requires SQL Server IIS Installing those would unfortunately violate our Windows Server 2008 R2 license. i might be looking at the wrong product link, since commenter said there is a version that doesn't require "System Center". Update 2: The Windows Server 2008 R2 running HyperV is being licensed with the understanding that it only be used to host HyperV. From the [Windows Server 2008 R2 Licensing FAQ][4]: Q. If I have one license for Windows Server 2008 R2 Standard and want to run it in a virtual operating system environment, can I continue running it in the physical operating system environment? A. Yes, with Windows Server 2008 R2 Standard, you may run one instance in the physical operating system environment and one instance in the virtual operating system environment; however, the instance running in the physical operating system environment may be used only to run hardware virtualization software, provide hardware virtualization services, or to run software to manage and service operating system environments on the licensed server. This is why i'm weary about installing IIS or SQL Server.

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• Unable to connect to Postgres on Vagrant Box - Connection refused

  - by Ben Miller

  First off, I'm new to Vagrant and Postgres. I created my Vagrant instance using http://files.vagrantup.com/lucid32.box with out any trouble. I am able to run vagrant up and vagrant ssh with out issue. I followed the instructions http://blog.crowdint.com/2011/08/11/postgresql-in-vagrant.html with one minor alteration. I installed "postgresql-8.4-postgis" package instead of "postgresql postgresql-contrib" I started the server using: postgres@lucid32:/home/vagrant$ /etc/init.d/postgresql-8.4 start While connected to the vagrant instance I can use psql to connect to the instance with out issue. In my Vagrantfile I had already added: config.vm.forward_port 5432, 5432 but when I try to run psql from localhost I get: psql: could not connect to server: Connection refused Is the server running locally and accepting connections on Unix domain socket "/tmp/.s.PGSQL.5432"? I'm sure I am missing something simple. Any ideas? Update: I found a reference to an issue like this and the article suggested using: psql -U postgres -h localhost with that I get: psql: server closed the connection unexpectedly This probably means the server terminated abnormally before or while processing the request.

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• Could not continue scan with NOLOCK due to data movement during installation

  - by dbdev1

  Hi, I am running Windows Server 2008 Standard Edition R2 x64 and I installed SQL Server 2008 Developer Edition. All of the preliminary checks run fine (Apart from a warning about Windows Firewall and opening ports which is unrelated to this and shouldn't be an issue - I can open those ports). Half way through the actual installation, I get a popup with this error: Could not continue scan with NOLOCK due to data movement. The installation still runs to completion when I press ok. However, at the end, it states that the following services "failed": database engine services sql server replication full-text search reporting services How do I know if this actually means that anything from my installation (which is on a clean Windows Server setup - nothing else on there, no previous SQL Servers, no upgrades, etc) is missing? I know from my programming experience that locks are for concurrency control and the Microsoft help on this issue points to changing my query's lock/transactions in a certain way to fix the issue. But I am not touching any queries? Also, now that I have installed the app, when I login, I keep getting this message: TITLE: Connect to Server Cannot connect to MSSQLSERVER. ADDITIONAL INFORMATION: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 67) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=67&LinkId=20476 BUTTONS: OK I went into the Configuration Manager and enabled named pipes and restarted the service (this is something I have done before as this message is common and not serious). I have disabled Windows Firewall temporarily. I have checked the instance name against the error logs. Please advise on both of these errors. I think these two errors are related. Thanks

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• Error deploying Spring with JAX-WS application in Jboss 6 server

  - by arlahiru

  I'm getting this error when I deploying spring+JAX-WS application in jboss server 6.1.0. 09:14:38,175 ERROR [org.springframework.web.context.ContextLoader] Context initialization failed: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.sun.xml.ws.transport.http.servlet.SpringBinding#0' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Cannot create inner bean '(inner bean)' of type [org.jvnet.jax_ws_commons.spring.SpringService] while setting bean property 'service'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)': FactoryBean threw exception on object creation; nested exception is java.lang.LinkageError: loader constraint violation: when resolving field "DATETIME" the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) of the referring class, javax/xml/datatype/DatatypeConstants, and the class loader (instance of <bootloader>) for the field's resolved type, loader constraint violation: when resolving field "DATETIME" the class loader at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:230) [:2.5.6] at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:122) [:2.5.6] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1245) [:2.5.6] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1010) [:2.5.6] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:472) [:2.5.6] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409) [:2.5.6] at java.security.AccessController.doPrivileged(Native Method) [:1.7.0_05] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380) [:2.5.6] at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264) [:2.5.6] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) [:2.5.6] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261) [:2.5.6] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185) [:2.5.6] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164) [:2.5.6] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429) [:2.5.6] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728) [:2.5.6] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380) [:2.5.6] at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255) [:2.5.6] at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199) [:2.5.6] at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45) [:2.5.6] at org.apache.catalina.core.StandardContext.contextListenerStart(StandardContext.java:3369) [:6.1.0.Final] at org.apache.catalina.core.StandardContext.start(StandardContext.java:3828) [:6.1.0.Final] at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeployInternal(TomcatDeployment.java:294) [:6.1.0.Final] at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeploy(TomcatDeployment.java:146) [:6.1.0.Final] at org.jboss.web.deployers.AbstractWarDeployment.start(AbstractWarDeployment.java:476) [:6.1.0.Final] at org.jboss.web.deployers.WebModule.startModule(WebModule.java:118) [:6.1.0.Final] at org.jboss.web.deployers.WebModule.start(WebModule.java:95) [:6.1.0.Final] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [:1.7.0_05] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [:1.7.0_05] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [:1.7.0_05] at java.lang.reflect.Method.invoke(Method.java:601) [:1.7.0_05] at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157) [:6.0.0.GA] at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96) [:6.0.0.GA] at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) [:6.0.0.GA] at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:271) [:6.0.0.GA] at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:670) [:6.0.0.GA] at org.jboss.system.microcontainer.ServiceProxy.invoke(ServiceProxy.java:206) [:2.2.0.SP2] at $Proxy41.start(Unknown Source) at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:53) [:2.2.0.SP2] at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:41) [:2.2.0.SP2] at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:379) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.system.microcontainer.ServiceControllerContext.install(ServiceControllerContext.java:301) [:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:2044) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:1083) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.executeOrIncrementStateDirectly(AbstractController.java:1322) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1246) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1139) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:939) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:654) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.system.ServiceController.doChange(ServiceController.java:671) [:6.1.0.Final (Build SVNTag:JBoss_6.1.0.Final date: 20110816)] at org.jboss.system.ServiceController.start(ServiceController.java:443) [:6.1.0.Final (Build SVNTag:JBoss_6.1.0.Final date: 20110816)] at org.jboss.system.deployers.ServiceDeployer.start(ServiceDeployer.java:189) [:6.1.0.Final] at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:102) [:6.1.0.Final] at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:49) [:6.1.0.Final] at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:63) [:2.2.2.GA] at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:55) [:2.2.2.GA] at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:179) [:2.2.2.GA] at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1832) [:2.2.2.GA] at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1550) [:2.2.2.GA] at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1571) [:2.2.2.GA] at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1491) [:2.2.2.GA] at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:379) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:2044) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:1083) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.executeOrIncrementStateDirectly(AbstractController.java:1322) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1246) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1139) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:939) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:654) [jboss-dependency.jar:2.2.0.SP2] at org.jboss.deployers.plugins.deployers.DeployersImpl.change(DeployersImpl.java:1983) [:2.2.2.GA] at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:1076) [:2.2.2.GA] at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:679) [:2.2.2.GA] at org.jboss.system.server.profileservice.deployers.MainDeployerPlugin.process(MainDeployerPlugin.java:106) [:6.1.0.Final] at org.jboss.profileservice.dependency.ProfileControllerContext$DelegateDeployer.process(ProfileControllerContext.java:143) [:0.2.2] at org.jboss.profileservice.plugins.deploy.actions.DeploymentStartAction.doPrepare(DeploymentStartAction.java:98) [:0.2.2] at org.jboss.profileservice.management.actions.AbstractTwoPhaseModificationAction.prepare(AbstractTwoPhaseModificationAction.java:101) [:0.2.2] at org.jboss.profileservice.management.ModificationSession.prepare(ModificationSession.java:87) [:0.2.2] at org.jboss.profileservice.management.AbstractActionController.internalPerfom(AbstractActionController.java:234) [:0.2.2] at org.jboss.profileservice.management.AbstractActionController.performWrite(AbstractActionController.java:213) [:0.2.2] at org.jboss.profileservice.management.AbstractActionController.perform(AbstractActionController.java:150) [:0.2.2] at org.jboss.profileservice.plugins.deploy.AbstractDeployHandler.startDeployments(AbstractDeployHandler.java:168) [:0.2.2] at org.jboss.profileservice.management.upload.remoting.DeployHandlerDelegate.startDeployments(DeployHandlerDelegate.java:74) [:6.1.0.Final] at org.jboss.profileservice.management.upload.remoting.DeployHandler.invoke(DeployHandler.java:156) [:6.1.0.Final] at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:967) [:6.1.0.Final] at org.jboss.remoting.transport.socket.ServerThread.completeInvocation(ServerThread.java:791) [:6.1.0.Final] at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:744) [:6.1.0.Final] at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:548) [:6.1.0.Final] at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:234) [:6.1.0.Final] Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)': FactoryBean threw exception on object creation; nested exception is java.lang.LinkageError: loader constraint violation: when resolving field "DATETIME" the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) of the referring class, javax/xml/datatype/DatatypeConstants, and the class loader (instance of <bootloader>) for the field's resolved type, loader constraint violation: when resolving field "DATETIME" the class loader at org.springframework.beans.factory.support.FactoryBeanRegistrySupport$1.run(FactoryBeanRegistrySupport.java:127) [:2.5.6] at java.security.AccessController.doPrivileged(Native Method) [:1.7.0_05] at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:116) [:2.5.6] at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:98) [:2.5.6] at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:223) [:2.5.6] ... 89 more Caused by: java.lang.LinkageError: loader constraint violation: when resolving field "DATETIME" the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) of the referring class, javax/xml/datatype/DatatypeConstants, and the class loader (instance of <bootloader>) for the field's resolved type, loader constraint violation: when resolving field "DATETIME" the class loader at com.sun.xml.bind.v2.model.impl.RuntimeBuiltinLeafInfoImpl.<clinit>(RuntimeBuiltinLeafInfoImpl.java:263) [:2.2] at com.sun.xml.bind.v2.model.impl.RuntimeTypeInfoSetImpl.<init>(RuntimeTypeInfoSetImpl.java:65) [:2.2] at com.sun.xml.bind.v2.model.impl.RuntimeModelBuilder.createTypeInfoSet(RuntimeModelBuilder.java:133) [:2.2] at com.sun.xml.bind.v2.model.impl.RuntimeModelBuilder.createTypeInfoSet(RuntimeModelBuilder.java:85) [:2.2] at com.sun.xml.bind.v2.model.impl.ModelBuilder.<init>(ModelBuilder.java:156) [:2.2] at com.sun.xml.bind.v2.model.impl.RuntimeModelBuilder.<init>(RuntimeModelBuilder.java:93) [:2.2] at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getTypeInfoSet(JAXBContextImpl.java:473) [:2.2] at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:319) [:2.2] at com.sun.xml.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(JAXBContextImpl.java:1170) [:2.2] at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:188) [:2.2] at com.sun.xml.bind.api.JAXBRIContext.newInstance(JAXBRIContext.java:111) [:2.2] at com.sun.xml.ws.developer.JAXBContextFactory$1.createJAXBContext(JAXBContextFactory.java:113) [:2.2.3] at com.sun.xml.ws.model.AbstractSEIModelImpl$1.run(AbstractSEIModelImpl.java:166) [:2.2.3] at com.sun.xml.ws.model.AbstractSEIModelImpl$1.run(AbstractSEIModelImpl.java:159) [:2.2.3] at java.security.AccessController.doPrivileged(Native Method) [:1.7.0_05] at com.sun.xml.ws.model.AbstractSEIModelImpl.createJAXBContext(AbstractSEIModelImpl.java:158) [:2.2.3] at com.sun.xml.ws.model.AbstractSEIModelImpl.postProcess(AbstractSEIModelImpl.java:99) [:2.2.3] at com.sun.xml.ws.model.RuntimeModeler.buildRuntimeModel(RuntimeModeler.java:250) [:2.2.3] at com.sun.xml.ws.server.EndpointFactory.createSEIModel(EndpointFactory.java:343) [:2.2.3] at com.sun.xml.ws.server.EndpointFactory.createEndpoint(EndpointFactory.java:205) [:2.2.3] at com.sun.xml.ws.api.server.WSEndpoint.create(WSEndpoint.java:513) [:2.2.3] at org.jvnet.jax_ws_commons.spring.SpringService.getObject(SpringService.java:333) [:] at org.jvnet.jax_ws_commons.spring.SpringService.getObject(SpringService.java:45) [:] at org.springframework.beans.factory.support.FactoryBeanRegistrySupport$1.run(FactoryBeanRegistrySupport.java:121) [:2.5.6] ... 93 more *** DEPLOYMENTS IN ERROR: Name -> Error vfs:///usr/jboss/jboss-6.1.0.Final/server/default/deploy/SpringWS.war -> org.jboss.deployers.spi.DeploymentException: URL file:/usr/jboss/jboss-6.1.0.Final/server/default/tmp/vfs/automountb159aa6e8c1b8582/SpringWS.war-4ec4d0151b4c7d7/ deployment failed DEPLOYMENTS IN ERROR: Deployment "vfs:///usr/jboss/jboss-6.1.0.Final/server/default/deploy/SpringWS.war" is in error due to the following reason(s): org.jboss.deployers.spi.DeploymentException: URL file:/usr/jboss/jboss-6.1.0.Final/server/default/tmp/vfs/automountb159aa6e8c1b8582/SpringWS.war-4ec4d0151b4c7d7/ deployment failed But this application is workinng correctly in glassfish 3.x server and web service is up and running. I'm using Netbeans IDE in Ubuntu 12.04 to build and deploy the application and I couldn't figure out what is the issue here. I guess its about spring and jboss because its working in glassfish smoothly. Please help me to solve this issue. Thanks all in advance.

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• DNAT to 127.0.0.1 with iptables / Destination access control for transparent SOCKS proxy

  - by cdauth

  I have a server running on my local network that acts as a router for the computers in my network. I want to achieve now that outgoing TCP requests to certain IP addresses are tunnelled through an SSH connection, without giving the people from my network the possibility to use that SSH tunnel to connect to arbitrary hosts. The approach I had in mind until now was to have an instance of redsocks listening on localhost and to redirect all outgoing requests to the IP addresses I want to divert to that redsocks instance. I added the following iptables rule: iptables -t nat -A PREROUTING -p tcp -d 1.2.3.4 -j DNAT --to-destination 127.0.0.1:12345 Apparently, the Linux kernel considers packets coming from a non-127.0.0.0/8 address to an 127.0.0.0/8 address as “Martian packets” and drops them. What worked, though, was to have redsocks listen on eth0 instead of lo and then have iptables DNAT the packets to the eth0 address instead (or using a REDIRECT rule). The problem about this is that then every computer on my network can use the redsocks instance to connect to every host on the internet, but I want to limit its usage to a certain set of IP addresses only. Is there any way to make iptables DNAT packets to 127.0.0.1? Otherwise, does anyone have an idea how I could achieve my goal without opening up the tunnel to everyone? Update: I have also tried to change the source of the packets, without any success: iptables -t nat -A POSTROUTING -p tcp -s 192.168.1.0/24 -d 1.2.3.4 -j SNAT --to-source 127.0.0.1 iptables -t nat -A POSTROUTING -p tcp -s 192.168.1.0/24 -d 127.0.0.1 -j SNAT --to-source 127.0.0.1

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• Does any Certificate Authority support both SAN and wildcards?

  - by nicholas a. evans

  My basic quandry is that wildcard certificates don't support subdomains of subdomains, nor do they help with alternate domain names. Basically, if my CN is example.com, I want a Subject Alternative Name field that looks roughly like so: DNS:example.com DNS*.example.com DNS:*.beta.example.com DNS:example.net DNS:*.example.net DNS:*.beta.example.net Using a self-signed cert, I verified that the browsers will work just fine with this. Unfortunately, none of the Certificate Authorities that I looked into (Thawte, GoDaddy, Verisign, Digicert) seemed to support both wildcard certs and Subject Alternative Name (sometimes referred to as "Multiple Domain UCC"). I even called up GoDaddy tech support to confirm. Is there a CA (trusted by 99% of browsers) that supports wildcards for the Subject Alternative Name? One little restriction: I'm saddled with Amazon EC2's single Elastic IP per instance limitation. Here are what I see as my backup plans: set up three extra EC2 instances, each configured for a different IP address and cert, and nginx reverse proxy from three of them into the app server(s) introduces latency(?), and even the cheapest EC2 instance isn't that cheap instead of dedicated reverse proxy instances, setup the four or more almost identical EC2 app servers, with nginx using the port to determine which cert to deliver, and use haproxy to distribute the traffic amongst themselves. complicated to configure and manage? I'm not using the cheapest EC2 instance type for my app servers. If I don't need 4+ app servers for the load, it raises the cost. set up an external server (outside of EC2) that doesn't have EC2's Elastic IP address restrictions, setup all of the alternate IP addresses and certificates on that server, and nginx reverse proxy from that server into the EC2 app servers. extra IP addresses are almost free (still need to pay for the server of course), but don't come with the robust "elasticity" that Amazon's Elastic IPs provide. even more latency than in the first scenario. Are these approaches crazy or reasonable? Do you have another one to suggest?

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• Enable RemoteApp Full Desktop programmatically

  - by Scott Chamberlain

  I am writing a powershell script to set up some HyperV VM's however there is one step I am having trouble automating. How do I check the box to allow Remote desktop access from the RemoteApp settings programmatically? I can set up all of my customizations I need by doing #build the secrity descriptor so the desktop only shows up for people who should be allowed to see it $remoteDesktopUsersSid = New-Object System.Security.Principal.SecurityIdentifier($remoteDesktopUsersGroup.objectSid[0],0) $aceTemplet = 'O:WDG:WDD:ARP(A;CIOI;CCLCSWLORCGR;;;{0})' $securityDescriptor = $aceTemplet -f $remoteDesktopUsersSid #get a copy of the WMI instance $tsRemoteDesktop = Get-WmiObject -Namespace root\CIMV2\TerminalServices -Class Win32_TSRemoteDesktop #set settings $tsRemoteDesktop.Name = $ServerDisplayName $tsRemoteDesktop.SecurityDescriptor = $securityDescriptor $tsRemoteDesktop.IconPath = $IconPath $tsRemoteDesktop.IconIndex = $IconIndex #push settings back to server Set-WmiInstance -InputObject $tsRemoteDesktop -PutType UpdateOnly however the instance of that WMI object does not exist until after you have the above box checked. I attempted to use Set-WmiInstance to instantiate and set the settings at the same time but I keep getting errors like: Set-WmiInstance : At line:53 char:16 + Set-WmiInstance <<<< -Namespace root\CIMV2\TerminalServices -Class Win32_TSRemoteDesktop -Arguments @{Alias='TSRemoteDesktop';Name=$ServerDisplayName;ShowInPortal=$true;SecurityDescriptor=$securityDescriptor} + CategoryInfo : NotSpecified: (:) [Set-WmiInstance], ArgumentException + FullyQualifiedErrorId : System.ArgumentException,Microsoft.PowerShell.Commands.SetWmiInstance (also after running the command and getting the error it will delete the instance of Win32_TSRemoteDesktop if it already exited and un-check the box in the properties setting) Is there any way to programmatically check that box or can anyone help with why Set-WmiInstance throws that error?

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• SQL Server 2008 R2 transactional replication over VPN

  - by enashnash

  I'm having difficulty setting up replication over a VPN. I have a SQL Server 2008 R2, Enterprise Edition database on a Windows 2008 R2 Server. SQL Server is running on a non-standard port. I have set it up so that it is acting as its own distributor and have configured a publisher on this server. It is set as an updatable transational publication (yes, this is necessary). On this server, I have Routing and Remote Access enabled in order to be able to establish VPN connections. It is configured with a static IP address pool, of which the first in the range is always assigned to the server. I have assigned a test user a static address within this range (I don't know if this is necessary or not). All clients will be 2008 R2 versions, but could be SQL Express or standalone developer instances of the full product. I can establish a VPN connection from the client without problems and can see that the correct IP addresses are allocated. After connecting to the database to test that I can establish a connection, I realised that I needed to be able to connect to the database using the server name rather than an IP address - required for replication - which wouldn't work initially. I created an entry in the hosts file for the server on the client using the NETBIOS name of the server, and now I can connect to the server, from the client, using the SERVER\INSTANCE, PORT syntax, over the VPN. As it is the default instance on the server, I can also connect with simply SERVER, PORT syntax. After all that, I still get the following dreaded error: SQL Server replication requires the actual server name to make a connection to the server. Connections through a server alias, IP address, or any other alternate name are not supported. Specify the actual server name, 'SERVER\INSTANCE'. (Replication.Utilities). What have I missed? How do I get this to work? TIA

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• Get-ChildItem fails to connect in SQLSERVER drive

  - by Norman Kelm

  I'm having some trouble with the SQLSERVER PSDRIVE. See error below. I only have named instances on my PC, both 2005 and 2008 Added the SQL snapins. The PC is named YODA The SQL instance is SQL2008 Navigate to the Databases folder for YODA\SQL2008. You can see the path below. dir -name spits out a connection error trying to connect to YODASQL2008\DEFAULT when it should be trying to connect to YODA\SQL2008. Then it outputs the db name which is Twitter in this case. Is there something missing from my config? Output: PS SQLSERVER:\SQL\YODA\SQL2008\Databases dir -name Get-ChildItem : SQL Server PowerShell provider error: Could not connect to 'YODASQL2008\DEFAULT'. [Failed to connect to server YODASQL2008. -- A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)] At line:1 char:4 + dir <<<< -name + CategoryInfo : OpenError: (SQLSERVER:\SQL\...tabases\Twitter:SqlPath) [Get-ChildItem], GenericProviderException + FullyQualifiedErrorId : ConnectFailed,Microsoft.PowerShell.Commands.GetChildItemCommand Twitter Repeats with error for every database. Thanks, Norman

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• Cannot upload files bigger than 8GB to Amazon S3 by multi-part upload due to broken pipe

  - by spencerho

  I implemented S3 multi-part upload, both high level and low level version, based on the sample code from http://docs.amazonwebservices.com/AmazonS3/latest/dev/index.html?HLuploadFileJava.html and http://docs.amazonwebservices.com/AmazonS3/latest/dev/index.html?llJavaUploadFile.html When I uploaded files of size less than 4 GB, the upload processes completed without any problem. When I uploaded a file of size 13 GB, the code started to show IO exception, broken pipes. After retries, it still failed. Here is the way to repeat the scenario. Take 1.1.7.1 release, create a new bucket in US standard region create a large EC2 instance as the client to upload file create a file of 13GB in size on the EC2 instance. run the sample code on either one of the high-level or low-level API S3 documentation pages from the EC2 instance test either one of the three part size: default part size (5 MB) or set the part size to 100,000,000 or 200,000,000 bytes. So far the problem shows up consistently. I attached here a tcpdump file for you to compare. In there, the host on the S3 side kept resetting the socket.

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