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  • MEF + Plug-In not updating

    - by mybrokengnome
    I asked this on the MEF Codeplex forum already, but I haven't gotten a response yet, so I figured I'd try StackOverflow. Here's the original post if anyone's interested (this is just a copy from it): MEF Codeplex "Let me first say that I'm completely new to MEF (just discovered it today) and am very happy with it so far. However, I've ran in to a problem that is very frustrating. I'm creating an app that will have a plugin architecture and the plugins will only be stored in a single DLL file (or coded into the main app). The DLL file needs to be able to be recompiled during run-time and the app should recognize this and re-load the plugins (I know this is difficult, but it's a requirement). To accomplish this I took the approach covered http://blog.maartenballiauw.be/category/MEF.aspx there (look for WebServerDirectoryCatalog). Basically the idea is to "monitor the plugins folder, copy the new/modified assemblies to the web application’s /bin folder and instruct MEF to load its exports from there." This is my code, which is probably not the correct way to do it but it's what I found in some samples around the net: main()... string myExecName = Assembly.GetExecutingAssembly().Location; string myPath = System.IO.Path.GetDirectoryName(myExecName); catalog = new AggregateCatalog(); pluginCatalog = new MyDirectoryCatalog(myPath + @"/Plugins"); catalog.Catalogs.Add(pluginCatalog); exportContainer = new CompositionContainer(catalog); CompositionBatch compBatch = new CompositionBatch(); compBatch.AddPart(this); compBatch.AddPart(catalog); exportContainer.Compose(compBatch); and private FileSystemWatcher fileSystemWatcher; public DirectoryCatalog directoryCatalog; private string path; private string extension; public MyDirectoryCatalog(string path) { Initialize(path, "*.dll", "*.dll"); } private void Initialize(string path, string extension, string modulePattern) { this.path = path; this.extension = extension; fileSystemWatcher = new FileSystemWatcher(path, modulePattern); fileSystemWatcher.Changed += new FileSystemEventHandler(fileSystemWatcher_Changed); fileSystemWatcher.Created += new FileSystemEventHandler(fileSystemWatcher_Created); fileSystemWatcher.Deleted += new FileSystemEventHandler(fileSystemWatcher_Deleted); fileSystemWatcher.Renamed += new RenamedEventHandler(fileSystemWatcher_Renamed); fileSystemWatcher.IncludeSubdirectories = false; fileSystemWatcher.EnableRaisingEvents = true; Refresh(); } void fileSystemWatcher_Renamed(object sender, RenamedEventArgs e) { RemoveFromBin(e.OldName); Refresh(); } void fileSystemWatcher_Deleted(object sender, FileSystemEventArgs e) { RemoveFromBin(e.Name); Refresh(); } void fileSystemWatcher_Created(object sender, FileSystemEventArgs e) { Refresh(); } void fileSystemWatcher_Changed(object sender, FileSystemEventArgs e) { Refresh(); } private void Refresh() { // Determine /bin path string binPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Plugins"); string newPath = ""; // Copy files to /bin foreach (string file in Directory.GetFiles(path, extension, SearchOption.TopDirectoryOnly)) { try { DirectoryInfo dInfo = new DirectoryInfo(binPath); DirectoryInfo[] dirs = dInfo.GetDirectories(); int count = dirs.Count() + 1; newPath = binPath + "/" + count; DirectoryInfo dInfo2 = new DirectoryInfo(newPath); if (!dInfo2.Exists) dInfo2.Create(); File.Copy(file, System.IO.Path.Combine(newPath, System.IO.Path.GetFileName(file)), true); } catch { // Not that big deal... Blog readers will probably kill me for this bit of code :-) } } // Create new directory catalog directoryCatalog = new DirectoryCatalog(newPath, extension); directoryCatalog.Refresh(); } public override IQueryable<ComposablePartDefinition> Parts { get { return directoryCatalog.Parts; } } private void RemoveFromBin(string name) { string binPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, ""); File.Delete(Path.Combine(binPath, name)); } So all this actually works, and after the end of the code in main my IEnumerable variable is actually filled with all the plugins in the DLL (which if you follow the code is located in Plugins/1 so that I can modify the dll in the plugins folder). So now at this point I should be able to re-compile the plugins DLL, drop it in to the Plugins folder, my FileWatcher detect that it's changed, and then copy it into folder "2" and directoryCatalog should point to the new folder. All this actually works! The problem is, even though it seems like every thing is pointed to the right place, my IEnumerable variable is never updated with the new plugins. So close, but yet so far! Any suggestions? I know the downsides of doing it this way, that no dll is actually getting unloaded and causing a memory leak, but it's a Windows App and will probably be started at least once a day, and the plugins are un-likely to change that often, but it's still a requirement from the client that it does this without re-loading the app. Thanks! Thanks for any help you all can provide, it's driving me crazy not being able to figure this out."

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  • How can I declare constant strings for use in both an unmanaged C++ dll and in a C# application?

    - by Surfbutler
    Curently I'm passing my const string values up from my C++ into my C# at startup via a callback, but I'm wondering if there's a way of defining them in a C++ header file that I can then also refer to in C#. I already do this with enums as they are easy. I include a file in both my C++ library project (via a .h file with a pragma once at the top), and my C# application (as a link): #if _NET public #endif enum ETestData { First, Second }; I know it sounds messy, but it works :) But...how can I do the same with string constants - I'm initially thinking the syntax is too different between the platforms, but maybe there's a way? Using clever syntax involving #if _NET, #defines etc? Using resource files? Using a C++/CLI library? Any ideas?

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  • Call DB Stored Procedure using @NamedStoredProcedureQuery Injection

    - by anwilson
    Oracle Database Stored Procedure can be called from EJB business layer to perform complex DB specific operations. This approach will avoid overhead from frequent network hits which could impact end-user result. DB Stored Procedure can be invoked from EJB Session Bean business logic using org.eclipse.persistence.queries.StoredProcedureCall API. Using this approach requires more coding to handle the Session and Arguments of the Stored Procedure, thereby increasing effort on maintenance. EJB 3.0 introduces @NamedStoredProcedureQuery Injection to call Database Stored Procedure as NamedQueries. This blog will take you through the steps to call Oracle Database Stored Procedure using @NamedStoredProcedureQuery.EMP_SAL_INCREMENT procedure available in HR schema will be used in this sample.Create Entity from EMPLOYEES table.Add @NamedStoredProcedureQuery above @NamedQueries to Employees.java with definition as given below - @NamedStoredProcedureQuery(name="Employees.increaseEmpSal", procedureName = "EMP_SAL_INCREMENT", resultClass=void.class, resultSetMapping = "", returnsResultSet = false, parameters = { @StoredProcedureParameter(name = "EMP_ID", queryParameter = "EMPID"), @StoredProcedureParameter(name = "SAL_INCR", queryParameter = "SALINCR")} ) Observe how Stored Procedure's arguments are handled easily in  @NamedStoredProcedureQuery using @StoredProcedureParameter.Expose Entity Bean by creating a Session Facade.Business method need to be added to Session Bean to access the Stored Procedure exposed as NamedQuery. public void salaryRaise(Long empId, Long salIncrease) throws Exception { try{ Query query = em.createNamedQuery("Employees.increaseEmpSal"); query.setParameter("EMPID", empId); query.setParameter("SALINCR", salIncrease); query.executeUpdate(); } catch(Exception ex){ throw ex; } } Expose business method through Session Bean Remote Interface. void salaryRaise(Long empId, Long salIncrease) throws Exception; Session Bean Client is required to invoke the method exposed through remote interface.Call exposed method in Session Bean Client main method. final Context context = getInitialContext(); SessionEJB sessionEJB = (SessionEJB)context.lookup("Your-JNDI-lookup"); sessionEJB.salaryRaise(new Long(200), new Long(1000)); Deploy Session BeanRun Session Bean Client.Salary of Employee with Id 200 will be increased by 1000.

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  • Why can't service account such as Local Service, Network Service, or Local System be managed on a domain level?

    - by smwikipedia
    Hi security experts, I read from here that: On a local computer, an administrator can configure the application to run as Local Service, Network Service, or Local System. These service accounts are simple to configure and use but are typically shared among multiple applications and services and cannot be managed on a domain level. I just don't understand why these accounts cannot be managed on a domain level, since they all have well-known SIDs? Thanks for your time.

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  • Why do memory-managed languages retain the `new` keyword?

    - by Channel72
    The new keyword in languages like Java, Javascript, and C# creates a new instance of a class. This syntax seems to have been inherited from C++, where new is used specifically to allocate a new instance of a class on the heap, and return a pointer to the new instance. In C++, this is not the only way to construct an object. You can also construct an object on the stack, without using new - and in fact, this way of constructing objects is much more common in C++. So, coming from a C++ background, the new keyword in languages like Java, Javascript, and C# seemed natural and obvious to me. Then I started to learn Python, which doesn't have the new keyword. In Python, an instance is constructed simply by calling the constructor, like: f = Foo() At first, this seemed a bit off to me, until it occurred to me that there's no reason for Python to have new, because everything is an object so there's no need to disambiguate between various constructor syntaxes. But then I thought - what's really the point of new in Java? Why should we say Object o = new Object();? Why not just Object o = Object();? In C++ there's definitely a need for new, since we need to distinguish between allocating on the heap and allocating on the stack, but in Java all objects are constructed on the heap, so why even have the new keyword? The same question could be asked for Javascript. In C#, which I'm much less familiar with, I think new may have some purpose in terms of distinguishing between object types and value types, but I'm not sure. Regardless, it seems to me that many languages which came after C++ simply "inherited" the new keyword - without really needing it. It's almost like a vestigial keyword. We don't seem to need it for any reason, and yet it's there. Question: Am I correct about this? Or is there some compelling reason that new needs to be in C++-inspired memory-managed languages like Java, Javascript and C#?

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  • Set up a GUI managed firewall for other machines?

    - by Azendale
    What ways are there of setting up a firewall for traffic routed for other machines whose rules can be managed by a GUI? Can GUFW do it? FireStarter? (or should that be avoided because it is supposedly no longer updated?) *By filtering, I'm mean the traffic I am setting rules up for is not destined for this computer. It is either from or to other computers on my LAN. Say, for (a simplified, hypothetical) example: I have an ethernet connection at my dorm that I have plugged into eth0. It gets an address of 192.168.1.185 and I also have 192.168.185.0/24 routed to me, so I don't have to do any NAT. I have a hub attached to my second ethernet port (eth1) with a few Windows computers and I give addresses out of my 192.168.185.0/24 block with DHCP. How can I use my Ubuntu box to block incoming connections from eth0 that are being routed to my Windows computers and let through just a few specific ports (so fellow students can't see what files my Windows boxes are sharing via SMB)?

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  • Why are those modules being loaded in an ASP.NET project (not website)

    - by petergmagid
    I have an ASP.NET 3.5 Project (not website) and I don't understand why all these modules are being created and loaded. I thought that with a web project it would all compile to a single .DLL 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_fwtnlvuq.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_vb8hmtmg.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_v-nkuwgl.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_wn_uucrw.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_ngd_8nhu.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_8keebrhe.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_ohg9e50r.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_yhmgvhum.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_4qltywkk.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_1nml5ezc.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_cdju8bdk.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_xhugloto.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_rkqqzc0u.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_-vfyn7ik.dll', Symbols loaded. 'WebDev.WebServer.EXE' (Managed): Loaded 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\reviewstat_20\c147e006\64781866\App_Web_cthyzgij.dll', Symbols loaded.

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  • Why does @PostConstruct callback fire every time even though bean is @ViewScoped? JSF

    - by Nitesh Panchal
    Hello, I am using datatable on page and using binding attribute to bind it to my backing bean. This is my code :- <?xml version='1.0' encoding='UTF-8' ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:p="http://primefaces.prime.com.tr/ui"> <h:head> <title>Facelet Title</title> </h:head> <h:body> <h:form prependId="false"> <h:dataTable var="item" value="#{testBean.stringCollection}" binding="#{testBean.dataTable}"> <h:column> <h:outputText value="#{item}"/> </h:column> <h:column> <h:commandButton value="Click" actionListener="#{testBean.action}"/> </h:column> </h:dataTable> </h:form> </h:body> </html> This is my bean :- package managedBeans; import java.io.Serializable; import java.util.ArrayList; import java.util.List; import javax.annotation.PostConstruct; import javax.faces.bean.ManagedBean; import javax.faces.bean.ViewScoped; import javax.faces.component.html.HtmlDataTable; @ManagedBean(name="testBean") @ViewScoped public class testBean implements Serializable { private List<String> stringCollection; public List<String> getStringCollection() { return stringCollection; } public void setStringCollection(List<String> stringCollection) { this.stringCollection = stringCollection; } private HtmlDataTable dataTable; public HtmlDataTable getDataTable() { return dataTable; } public void setDataTable(HtmlDataTable dataTable) { this.dataTable = dataTable; } @PostConstruct public void init(){ System.out.println("Post Construct fired!!"); stringCollection = new ArrayList<String>(); stringCollection.add("a"); stringCollection.add("b"); stringCollection.add("c"); } public void action(){ System.out.println("Clicked!!"); } } Please tell me why is the @PostConstruct firing each and every time i click on button? It should fire only once as long as i am on same page beacause my bean is @ViewScoped. Further, if i remove the binding attribute then everything works fine and @PostConstruct callback fires only once. Then why every time when i use binding attribute? I need binding attribute and want to perform initialisation tasks like fetching data from webservice, etc only once. What should i do? Where should i write my initialisation task?

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  • Why do I need a managed switch and which one should I buy?

    - by ascanio1
    I bought a 2nd router and I want both routers to have direct WAN access to the modem. One of the 2 routers directs VOIP traffic to a telephone line port. This VOIP service is provided by the cable carrier which also leases the modem & the router. The cable company technician told me that this VOIP line uses IPv6 addressing and therefore I must employ an IPv6 capable/compliant Giga Hub/Switch or my telephone line won't work anymore. Pls advise me (brand/model) an IPv6 compliant, 2 port, switch to purchase. Pls educate me: By reading this forum I thought that hubs broadcast traffic to all ports, regardless of which input/output is being used and so, theoretically, they have nothing to do with IP. Correct? Same story for unmanaged switches, where the only difference is that these latter devices route traffic only to those ports which are detected to be in use. Correct? I also understood that unmanaged switches route traffic simply by detecting hardware use and not by selecting specific IP traffic. Correct? Finally, there are managed switches which DO select traffic based on IP and, therefore, only these managed switches are involved with IPv6... Why would my cable company explicitly tell me, over and over, that I must use an IPv6 compliant switch? Why would they need a managed switch instead of an unmanaged one? Thanks in advance for helping me understand!

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  • Migrating WebLogic 10.3.0 to new host. Slow managed server startup times

    - by wadevondoom
    We are migrating our Blue Martini Commerce application (only supported on WebLogic 10.3.0) to a new host (Redhat 6.3 on a VMWare ESX vm). We are seeing extremely slow start up times for our managed server(s) that is basically 20x slower than our current production. As a for instance the Publish managed server takes ~30 - 45 seconds in current production and in the new environment it takes ~10 minutes. The setup uses the same domain structure and JVM as the current production environment. The same setup files are used. We use jdk1.6.0_33 on 64 bit architecture. We used the generic 64bit weblogic installer and used pack / unpack utilities to migrate the domain. The JAVA_OPTS to start this server are: "-d64 -Xms256m -Xmx512m -XX:PermSize=48m -XX:MaxPermSize=256m" The sysadmins have checked /etc/sysctl.conf and /etc/limits.conf to ensure we were not hitting some kind of process limit. As I am not sure what this managed server does from a Blue Martini perspective during the phase of startup I also had the DBA check to ensure that Oracle RAC (11.2.0.3) wasn't also hitting some kind of process limit or if there was a tns listener issue. The new host is quite a bit stricter with their server lock downs so there are a few differences.... Redhat 6.3 in new env, RH 5.7 in current SElinux is targeted in new env and disabled in current VM in new env and dedicated hardware in current iptables disabled in current. It was enabled in new prod but I had them disable it just in case I apologize for not being more specific. I am mostly hoping got some tips. I do not have the typical root access I would normally have in this environment. I am just hoping got a path forward. I did a few 'kill -3' to see if there are blocked threads and I got nadda. The service works for all intents and purposes it is just painfully slow. Thanks you all in advance for reading and best regards. Wade

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  • Is it unusual for a small company (15 developers) not to use managed source/version control?

    - by LordScree
    It's not really a technical question, but there are several other questions here about source control and best practice. The company I work for (which will remain anonymous) uses a network share to host its source code and released code. It's the responsibility of the developer or manager to manually move source code to the correct folder depending on whether it's been released and what version it is and stuff. We have various spreadsheets dotted around where we record file names and versions and what's changed, and some teams also put details of different versions at the top of each file. Each team (2-3 teams) seems to do this differently within the company. As you can imagine, it's an organised mess - organised, because the "right people" know where their stuff is, but a mess because it's all different and it relies on people remembering what to do at any one time. One good thing is that everything is backed up on a nightly basis and kept indefinitely, so if mistakes are made, snapshots can be recovered. I've been trying to push for some kind of managed source control for a while, but I can't seem to get enough support for it within the company. My main arguments are: We're currently vulnerable; at any point someone could forget to do one of the many release actions we have to do, which could mean whole versions are not stored correctly. It could take hours or even days to piece a version back together if necessary We're developing new features along with bug fixes, and often have to delay the release of one or the other because some work has not been completed yet. We also have to force customers to take versions that include new features even if they just want a bug fix, because there's only really one version we're all working on We're experiencing problems with Visual Studio because multiple developers are using the same projects at the same time (not the same files, but it's still causing problems) There are only 15 developers, but we all do stuff differently; wouldn't it be better to have a standard company-wide approach we all have to follow? My questions are: Is it normal for a group of this size not to have source control? I have so far been given only vague reasons for not having source control - what reasons would you suggest could be valid for not implementing source control, given the information above? Are there any more reasons for source control that I could add to my arsenal? I'm asking mainly to get a feel for why I have had so much resistance, so please answer honestly. I'll give the answer to the person I believe has taken the most balanced approach and has answered all three questions. Thanks in advance

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  • API's

    - by raghu.yadav
    lets dump API's here .... // if you want to put/get something in/from the pageFlowScope, use thisMap pfsMap = AdfFacesContext.getCurrentInstance().getPageFlowScope(); pfsMap.put(key, value); // pfsMap.put("#{pageFlowScope.param}, "sample"); pfsMap.get(key); // pfsMap.get("#{pageFlowScope.param} // if you want to set bean's property value, use this MyBackingBean bean = (MyBackingBean)pfsMap.get("my_backing_bean_name"); // the name under which the bean is registered in the task flow bean.setMyParam(newValue);

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  • Injecting Entitymanager via XML and not annnotations.

    - by user355543
    What I am trying to do is inject through XML almost the same way that is done through A @PersistenceContext annotation. I am in need of this because of the fact I have different entity managers I need to inject into the same DAO. The databases mirror one another and I would rather have 1 base class and for instances of that base class then create multiple classes just so I can use the @PersistenceContext annotation. Here is my example. This is what I am doing now and it works. public class ItemDaoImpl { protected EntityManager entityManager; public List<Item> getItems() { Query query = entityManager.createQuery("select i from Item i"); List<Item> s = (List<Item>)query.getResultList(); return s; } public void setEntityManger(EntityManager entityManager) { this.entityManager = entityManager; } } @Repository(value = "itemDaoStore2") public class ItemDaoImplStore2 extends ItemDaoImpl { @PersistenceContext(unitName = "persistence_unit_2") public void setEntityManger(EntityManager entityManager) { this.entityManager = entityManager; } } @Repository(value = "itemDaoStore1") public class ItemDaoImplStore1 extends ItemDaoImpl { @PersistenceContext(unitName = "persistence_unit_1") public void setEntityManger(EntityManager entityManager) { this.entityManager = entityManager; } } TransactionManagers, EntityManagers are defined below... <!-- Registers Spring's standard post-processors for annotation-based configuration like @Repository --> <context:annotation-config /> <!-- For @Transactional annotations --> <tx:annotation-driven transaction-manager="transactionManager1" /> <tx:annotation-driven transaction-manager="transactionManager2" /> <!-- This makes Spring perform @PersistenceContext/@PersitenceUnit injection: --> <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor"/> <!-- Drives transactions using local JPA APIs --> <bean id="transactionManager1" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="entityManagerFactory1" /> </bean> <bean id="transactionManager2" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="entityManagerFactory2" /> </bean> <bean id="entityManagerFactory1" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="persistenceUnitName" value="persistence_unit_1"/> ... </bean> <bean id="entityManagerFactory2" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="persistenceUnitName" value="persistence_unit_2"/> ... </bean> What I want to do is to NOT create classes ItemDaoImplStore2 or ItemDaoImplStore1. I want to have these as instances of ItemDaoImpl via xml instead. I do not know how to inject the entitymanager properly though. I want to simulate annotating this as a 'Repository' annotation, and I also want to be able to specify what entityManager to inject by the persistence unit name. I want something similar to the below using XML instead. <!-- Somehow annotate this instance as a @Repository annotation --> <bean id="itemDaoStore1" class="ItemDaoImpl"> <!-- Does not work since it is a LocalContainerEntityManagerFactoryBean--> <!-- Also I would perfer to do it the same way PersistenceContext works and only provide the persistence unit name. I would like to be able to specify persistence_unit_1--> <property name="entityManager" ref="entityManagerFactory1"/> </bean> <!-- Somehow annotate this instance as a @Repository annotation --> <bean id="itemDaoStore2" class="ItemDaoImpl"> <!-- Does not work since it is a LocalContainerEntityManagerFactoryBean--> <!-- Also I would perfer to do it the same way PersistenceContext works and only provide the persistence unit name. I would like to be able to specify persistence_unit_2--> <property name="entityManager" ref="entityManagerFactory2"/> </bean>

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  • Starting jetty with spring xml as a background process/thread

    - by compass
    My goal is to set up a jetty test server and inject a custom servlet to test some REST classes in my project. I was able to launch the server with spring xml and run tests against that server. The issue I'm having is sometimes after the server started, the process stopped at the point before running the tests. It seems jetty didn't go to background. It works every time on my computer. But when I deployed to my CI server, it doesn't work. It also doesn't work when I'm on VPN. (Strange.) The server should be completed initialized as when the tests stuck, I was able to access the server using a browser. Here is my spring context xml: .... <bean id="servletHolder" class="org.eclipse.jetty.servlet.ServletHolder"> <constructor-arg ref="courseApiServlet"/> </bean> <bean id="servletHandler" class="org.eclipse.jetty.servlet.ServletContextHandler"/> <!-- Adding the servlet holders to the handlers --> <bean id="servletHandlerSetter" class="org.springframework.beans.factory.config.MethodInvokingFactoryBean"> <property name="targetObject" ref="servletHandler"/> <property name="targetMethod" value="addServlet"/> <property name="arguments"> <list> <ref bean="servletHolder"/> <value>/*</value> </list> </property> </bean> <bean id="httpTestServer" class="org.eclipse.jetty.server.Server" init-method="start" destroy-method="stop" depends-on="servletHandlerSetter"> <property name="connectors"> <list> <bean class="org.eclipse.jetty.server.nio.SelectChannelConnector"> <property name="port" value="#{settings['webservice.server.port']}" /> </bean> </list> </property> <property name="handler"> <ref bean="servletHandler" /> </property> </bean> Running latest Jetty 8.1.8 server and Spring 3.1.3. Any idea?

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  • JSF in jetty-equinox, Cannot find Bean classes in other bundles!

    - by Arnold
    Hi I have problems running JSF in an OSGi environment. I am using jetty web container and equinox to provide the OSGi functionality. The structure of my application is as follows: The first bundle has all the JSF libs, web.xml and a config.xml. It looks as the following: bundle1 ----src/main/java -------de/package ----------Activator.java ----------JSFResolver.java ----src/main/resource ------ WebContent ----------META-INF -------------face-config.xml --------------web.xhtml ----------start.xhtml -----------include.xhtml ----libs (containing all JSF required Jars) The structure of the second bundle is as follows: bundle2 ---src/main/java ------de/package ----------Bean.java ---src/main/resource ------META-INF ---------face-config.xml ------WebContent ---------index.xhtml When running the application of equinox, the bundle1 is the main bundle where all the browser requests are sent to. In the second bundle, the 'index.xhtml' file can be retrieved the by first bundle upon request. The 'index.xhtml' in bundle 2 gets its values and properties from the 'Bean.java' in bundle 2. The problem comes when i request the 'index.xhtml', the Bean.java class is not found. I think this is because the class loader of bundle1 cannot find it, it has no knowledge of it. So i would like to ask if anyone knows how to solve this problem. If so please do assist me, i have tried all the possibilities i had.. Is it infact possible to have JSF run on multiple bundles using the same FaceletsContex? Can i be able to have seperate faces-config.xml files in each bundle, which can all be connected other faces-config.xml in other bundles? Can anyone please provide me a solution. Sample code would help. thanks workspace_current.rar Arnold

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  • Can we have a component-scoped bean in a JSF2 composite component?

    - by Pradyumna
    Hi, I was wondering how I could create "component-scoped" beans, or so-to-say, "local variables inside a composite component" that are private to the instance of the composite component, and live as long as that instance lives. Below are more details, explained with an example: Suppose there is a "calculator" component - something that allows users to type in a mathematical expression, and evaluates its value. Optionally, it also plots the associated function. I can make a composite component that has: a text box for accepting the math expression two buttons called "Evaluate", and "Plot" another nested component that plots the function It is evidently a self-contained piece of function; so that somebody who wants to use it may just say <math:expressionEvaluator /> But obviously, the implementation would need a java object - something that evaluates the expression, something that computes the plot points, etc. - and I imagine it can be a bean - scoped just for this instance of this component, not a view-scoped or request-scoped bean that is shared across all instances of the component. How do I create such a bean? Is that even possible with composite components?

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  • Spring Test / JUnit problem - unable to load application context

    - by HDave
    I am using Spring for the first time and must be doing something wrong. I have a project with several Bean implementations and now I am trying to create a test class with Spring Test and JUnit. I am trying to use Spring Test to inject a customized bean into the test class. Here is my test-applicationContext.xml: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="............."> <bean id="MyUuidFactory" class="com.myapp.UuidFactory" scope="singleton" > <property name="typeIdentifier" value="CLS" /> </bean> <bean id="ThingyImplTest" class="com.myapp.ThingyImplTest" scope="singleton"> <property name="uuidFactory"> <idref local="MyUuidFactory" /> </property> </bean> </beans> The injection of MyUuidFactory instance goes along with the following code from within the test class: private UuidFactory uuidFactory; public void setUuidFactory(UuidFactory uuidFactory) { this.uuidFactory = uuidFactory; } However, when I go to run the test (in Eclipse or command line) I get the following error (stack trace omitted for brevity): Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'MyImplTest' defined in class path resource [test-applicationContext.xml]: Initialization of bean failed; nested exception is org.springframework.beans.ConversionNotSupportedException: Failed to convert property value of type 'java.lang.String' to required type 'com.myapp.UuidFactory' for property 'uuidFactory'; nested exception is java.lang.IllegalStateException: Cannot convert value of type [java.lang.String] to required type [com.myapp.UuidFactory] for property 'uuidFactory': no matching editors or conversion strategy found Funny thing is, the Eclipse/Spring XML editor shows errors of I misspell any of the types or idrefs. If I leave the bean in, but comment out the dependency injection, everything work until I get a NullPointerException while running the test...which makes sense.

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  • spring annotation configuration issue

    - by shrimpy
    I don't know why spring 2.5.6 keeps complaining, but I don't have any "orderBy" annotation. 2009-10-10 13:55:37.242::WARN: Nested in org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.context.annotation.internalPersiste nceAnnotationProcessor': Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'order' of bean class [org.springfra mework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor]: Bean property 'order' is not writable or has an invalid setter method. Does the parameter type of the setter match the re turn type of the getter?: org.springframework.beans.NotWritablePropertyException: Invalid property 'order' of bean class [org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor]: Bean propert y 'order' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter? at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:801) at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:651) at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:78) at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:59) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1276) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1010) or even when I swap to use lower version spring 2.5.1, it's still complaining: 2009-10-10 13:57:56.062::WARN: failed ContextHandlerCollection@5da0b94d java.lang.NoClassDefFoundError: org/springframework/context/support/AbstractRefreshableConfigApplicationContext at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:621) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124) at java.net.URLClassLoader.defineClass(URLClassLoader.java:260) at java.net.URLClassLoader.access$000(URLClassLoader.java:56) at java.net.URLClassLoader$1.run(URLClassLoader.java:195) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:366) at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:337) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:621) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124) at java.net.URLClassLoader.defineClass(URLClassLoader.java:260) at java.net.URLClassLoader.access$000(URLClassLoader.java:56) at java.net.URLClassLoader$1.run(URLClassLoader.java:195) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:366) at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:337) at org.springframework.util.ClassUtils.forName(ClassUtils.java:230) at org.springframework.util.ClassUtils.forName(ClassUtils.java:183) at org.springframework.web.context.ContextLoader.determineContextClass(ContextLoader.java:283) at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:243) If I do not use annotation, it works fine. No problem at all, Everything happened after this <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd" default-autowire="byName"> <context:component-scan base-package="demo.dao"> <context:include-filter type="annotation" expression="org.springframework.stereotype.Repository"/> </context:component-scan> </beans> and I am sure my spring is configured properly. <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:util="http://www.springframework.org/schema/util" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd" default-autowire="byName"> <!-- For mail settings and future properties files --> <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations"> <list> <value>classpath:jdbc.properties</value> </list> </property> </bean> <!-- Check all the beans managed by Spring for persistence-related annotations. e.g. PersistenceContext --> <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" /> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="${jdbc.driverClassName}"/> <property name="url" value="${jdbc.url}"/> <property name="username" value="${jdbc.username}"/> <property name="password" value="${jdbc.password}"/> </bean> <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="dataSource" ref="dataSource"/> <!-- jpaVendorAdapter Hibernate, injected into emf --> <property name="jpaVendorAdapter"> <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"> <property name="showSql" value="${hibernate.show_sql}"/> <!-- Data Definition Language script is generated and executed for each run --> <property name="generateDdl" value="${jdbc.generateDdl}"/> </bean> </property> <!--<property name="hibernateProperties"> --> <property name="jpaProperties"> <props> <prop key="hibernate.dialect">${hibernate.dialect} </prop> <prop key="hibernate.show_sql">${hibernate.show_sql}</prop> <prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto} </prop> </props> </property> </bean> <tx:annotation-driven transaction-manager="transactionManager" /> <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="entityManagerFactory"/> <property name="dataSource" ref="dataSource"/> </bean> </beans> Can anyone tell me what is wrong? How can I fix this?

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  • How do I get spring to inject my EntityManager?

    - by Trampas Kirk
    I'm following the guide here, but when the DAO executes, the EntityManager is null. I've tried a number of fixes I found in the comments on the guide, on various forums, and here (including this), to no avail. No matter what I seem to do the EntityManager remains null. Here are the relevant files, with packages etc changed to protect the innocent. spring-context.xml <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd" xmlns:p="http://www.springframework.org/schema/p"> <context:component-scan base-package="com.group.server"/> <context:annotation-config/> <tx:annotation-driven/> <bean id="propertyPlaceholderConfigurer" class="com.group.DecryptingPropertyPlaceholderConfigurer" p:systemPropertiesModeName="SYSTEM_PROPERTIES_MODE_OVERRIDE"> <property name="locations"> <list> <value>classpath*:spring-*.properties</value> <value>classpath*:${application.environment}.properties</value> </list> </property> </bean> <bean id="orderDao" class="com.package.service.OrderDaoImpl"/> <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor"/> <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="persistenceUnitName" value="MyServer"/> <property name="loadTimeWeaver"> <bean class="org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver"/> </property> <property name="dataSource" ref="dataSource"/> <property name="jpaVendorAdapter"> <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"> <property name="showSql" value="${com.group.server.vendoradapter.showsql}"/> <property name="generateDdl" value="${com.group.server.vendoradapter.generateDdl}"/> <property name="database" value="${com.group.server.vendoradapter.database}"/> </bean> </property> </bean> <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="entityManagerFactory"/> <property name="dataSource" ref="dataSource"/> </bean> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="${com.group.server.datasource.driverClassName}"/> <property name="url" value="${com.group.server.datasource.url}"/> <property name="username" value="${com.group.server.datasource.username}"/> <property name="password" value="${com.group.server.datasource.password}"/> </bean> <bean id="executorService" class="java.util.concurrent.Executors" factory-method="newCachedThreadPool"/> </beans> persistence.xml <persistence xmlns="http://java.sun.com/xml/ns/persistence" version="1.0"> <persistence-unit name="MyServer" transaction-type="RESOURCE_LOCAL"/> </persistence> OrderDaoImpl package com.group.service; import com.group.model.Order; import org.springframework.stereotype.Repository; import org.springframework.transaction.annotation.Transactional; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import javax.persistence.Query; import java.util.List; @Repository @Transactional public class OrderDaoImpl implements OrderDao { private EntityManager entityManager; @PersistenceContext public void setEntityManager(EntityManager entityManager) { this.entityManager = entityManager; } @Override public Order find(Integer id) { Order order = entityManager.find(Order.class, id); return order; } @Override public List<Order> findAll() { Query query = entityManager.createQuery("select o from Order o"); return query.getResultList(); } @Override public List<Order> findBySymbol(String symbol) { Query query = entityManager.createQuery("select o from Order o where o.symbol = :symbol"); return query.setParameter("symbol", symbol).getResultList(); } }

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  • Parsing Complex Text File with C#

    - by David
    Hello, I need to parse a text file that has a lot of levels and characters. I've been trying different ways to parse it but I haven't been able to get anything to work. I've included a sample of the text file I'm dealing with. Any suggestions on how I can parse this file? I have denoted the parts of the file I need with TEXTINEED. (bean name: 'TEXTINEED context: (list '/text '/content/home/left-nav/text '/content/home/landing-page) type: '/text/types/text module: '/modules/TEXTINEED source: '|moretext| ((contents (list (list (bean type: '/directory/TEXTINEED ((directives (bean ((chartSize (list 600 400)) (showCorners (list #f)) (showColHeader (list #f)) (showRowHeader (list #f))))))) (bean type: '/directory/TEXTINEED ((directives (bean ((displayName (list "MTD")) (showCorners (list #f)) (showColHeader (list #f)) (showRowLabels (list #f)) (hideDetailedLink (list #t)) (showRowHeader (list #f)) (chartSize (list 600 400))))))) (bean type: '/directory/TEXTINEED ((directives (bean ((displayName (list "QTD")) (showCorners (list #f)) (showColHeader (list #f)) (showRowLabels (list #f)) (hideDetailedLink (list #t)) (showRowHeader (list #f)) (chartSize (list 600 400)))))))) Thanks!

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  • A VS2010 Project Made From Post: How to: Host a WCF Service in a Managed Windows Service

    MSDN has a very nice article on how to create a windows service that hosts a Windows Communication Foundation (WCF) service.  It explains all the details of doing this in a step by step fashion.  One thing that I often find missing from these articles is the actual Visual Studio project that I can download [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • A VS2010 Project Made From Post: How to: Host a WCF Service in a Managed Windows Service

    MSDN has a very nice article on how to create a windows service that hosts a Windows Communication Foundation (WCF) service.  It explains all the details of doing this in a step by step... This site is a resource for asp.net web programming. It has examples by Peter Kellner of techniques for high performance programming...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • In Scrum, should tasks such as development environment set-up and capability development be managed as subtasks within actual user stories?

    - by Asim Ghaffar
    Sometimes in projects we need to spend time on tasks such as: exploring alternate frameworks and tools learning the framework and tools selected for the project setting up the servers and project infrastructure (version control, build environments, databases, etc) If we are using User Stories, where should all this work go? One option is to make them all part of first user story (e.g. make the homepage for application). Another option is to do a spike for these tasks. A third option is to make task part of an Issue/Impediment (e.g. development environment not selected yet) rather than a user Story.

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