sorry..... I did'nt Think of it..... Please Excuse me.... Once again sorry all.. Thanks in advance phani ----- Original Message ----- From: Juan Pablo Lorandi <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, June 24, 2002 4:30 PM Subject: Re: Need some examples
> Phani, I don't want to discourage you, but what you're doing is not > quite right... > > There are 3099 subscribers to this list, most of whom have taken the > trouble of at least reading the spec carefully and also some other > widely available literature. It is not a how-to list. Nobody here is > supposed to help you with every step of the way. If every time you have > a problem(looks like every 5 minutes) you'll be posting to the list, > 3099 people are going to receive your message. 3099 people are going to > have to open, read, and delete your message. Their time is just as > valuable as yours, don't you think? And most won't care about it. So > please, try to keep at least some of your posts private, only contacting > those that are helping you. > > I know it's difficult when you're starting with EJBs. I hope you come > thru it soon. But there is no need to hassle everybody else on this list > during the process, wouldn't you agree? If everybody in the list posted > a mail with every single compilation error they have, the list would be > as useful as if it never existed. > > I'll be available to help, but only thru private mail. Please don't post > publicly every 5 minutes or everytime you get a compiler/runtime error. > > Thanks in advance, > > Juan Pablo Lorandi > Chief Software Architect > Code Foundry Ltd. > [EMAIL PROTECTED] > > Barberstown, Straffan, Co. Kildare, Ireland. > Tel: +353-1-6012050 Fax: +353-1-6012051 > Mobile: +353-86-2157900 > www.codefoundry.com > > > > -----Original Message----- > > From: A mailing list for Enterprise JavaBeans development > > [mailto:[EMAIL PROTECTED]] On Behalf Of phani > > Sent: Wednesday, May 24, 2000 11:39 AM > > To: [EMAIL PROTECTED] > > Subject: Re: Need some examples > > > > > > hi, > > I created another method ejbFindByUserName(String aKey){} > > but no luck... it is throwing a jit error... and retruns null > > only... Thanks for help phani > > > > ----- Original Message ----- > > From: <[EMAIL PROTECTED]> > > To: <[EMAIL PROTECTED]> > > Sent: Monday, June 24, 2002 3:18 PM > > Subject: Re: Need some examples > > > > > > > > > > Create a new find by method: > > > findByUsername(String username) > > > The find by primaryKey is used by the container I think > > > > > > > from: phani <[EMAIL PROTECTED]> > > > > date: Mon, 24 Jun 2002 09:57:47 > > > > to: [EMAIL PROTECTED] > > > > subject: Re: Need some examples > > > > > > > > Hi, > > > > I got the primary key class concept.... > > > > If i have written a primary key class then i will use > > that class > > > > or i > > can > > > > use defalt java.lang.string class as primary key class ... right? > > > > > > > > Now my problem is i have a login table with two fields user_id and > > password. > > > > I am using Oracle8i DB and i am using BMP. > > > > > > > > I want to get the password from client by entering user_id. > > > > > > > > I coded Entity.java(Remote) EntityHome.java(Home) and > > EnitytEJB.java(Bean) > > > > and EnityClient.java (Client) > > > > > > > > But Client returning null value... > > > > > > > > > > > > ----------- > > > > Entity.java > > > > > > > > import java.rmi.RemoteException; > > > > import javax.ejb.EJBObject; > > > > public interface Entity extends EJBObject { > > > > String getPassword()throws RemoteException; > > > > } > > > > ---------------- > > > > EntityHome.java > > > > > > > > import java.rmi.RemoteException; > > > > > > > > import javax.ejb.CreateException; > > > > import javax.ejb.EJBHome; > > > > import javax.ejb.FinderException; > > > > public interface EntityHome extends EJBHome { > > > > public Entity findByPrimaryKey(String aKey) > > > > throws RemoteException, FinderException; > > > > } > > > > ----------- > > > > EntityEJB.java > > > > > > > > import javax.ejb.CreateException; > > > > import javax.ejb.EntityBean; > > > > import javax.ejb.EntityContext; > > > > import javax.ejb.FinderException; > > > > import java.sql.*; > > > > > > > > public class EntityEJB implements EntityBean { > > > > > > > > /** > > > > * No argument constructor required by container. > > > > */ > > > > private EntityContext ctx; > > > > public String password; > > > > public EntityEJB() { > > > > } > > > > > > > > /** > > > > * Reference EJB specification 1.1 section 9.2.5 > > > > */ > > > > public String ejbFindByPrimaryKey(String aKey) > > > > > > > > Connection con=null; > > > > PreparedStatement ps=null; > > > > ResultSet rs=null; > > > > String password=null; > > > > try{ > > > > Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); > > > > > > > > > > con=DriverManager.getConnection("jdbc:odbc:vqi","system","manager"); > > > > }catch(Exception e){System.out.println(e);} > > > > try{ > > > > ps=con.prepareStatement("select password from > > system.login > > > > where user_id=?"); > > > > ps.setString(1,aKey.trim()); > > > > rs=ps.executeQuery(); > > > > while(rs.next()) > > > > { > > > > password=rs.getString("password"); > > > > System.out.println(password);//it is printing the password > > > > } > > > > con.close(); > > > > }catch(Exception e){System.out.println(e);} > > > > return aKey; > > > > } > > > > > > > > /* Methods required for EntityBean interface. EJB 1.1 section > > > > 9.4 */ > > > > > > > > /** > > > > * @see javax.ejb.EntityBean#ejbActivate() > > > > */ > > > > public void setEntityContext(EntityContext context){ > > > > this.ctx=context; > > > > } > > > > > > > > /** > > > > * @see javax.ejb.EntityBean#unsetEntityContext() > > > > */ > > > > public void unsetEntityContext(){ > > > > > > > > } > > > > > > > > /** > > > > * @see javax.ejb.EntityBean#ejbActivate() > > > > */ > > > > public void ejbActivate() { > > > > } > > > > > > > > /** > > > > * @see javax.ejb.EntityBean#ejbPassivate() > > > > */ > > > > public void ejbPassivate() { > > > > } > > > > > > > > /** > > > > * @see javax.ejb.EntityBean#ejbLoad() > > > > */ > > > > public void ejbLoad() { > > > > } > > > > > > > > /** > > > > * @see javax.ejb.EntityBean#ejbStore() > > > > */ > > > > public void ejbStore() { > > > > } > > > > > > > > /** > > > > * @see javax.ejb.EntityBean#ejbRemove() > > > > */ > > > > public void ejbRemove() { > > > > } > > > > > > > > public java.lang.String getPassword() { > > > > System.out.println(password); > > > > return password; > > > > } > > > > > > > > } > > > > ---------- > > > > EnityClient > > > > import javax.naming.*; > > > > import java.util.*; > > > > public class EntityClient > > > > { > > > > public static void main(String args[]) > > > > throws Exception > > > > {try{ > > > > System.out.println(" Please wait...."); > > > > Properties p=new Properties(); > > > > > > > > > > p.put(Context.INITIAL_CONTEXT_FACTORY,"weblogic.jndi.T3Initial > > ContextFactory > > > > "); > > > > p.put(Context.PROVIDER_URL,"t3://localhost:7001"); > > > > Context ctx=new InitialContext(p); > > > > EntityHome h=(EntityHome)ctx.lookup("bmpBean"); > > > > Entity robj=h.findByPrimaryKey("phani"); > > > > System.out.println(robj.getPassword()); > > > > }catch(Exception e){System.out.println(e);} > > > > } // main > > > > } // end of EmpClient > > > > > > > > Can some one tell me where i went wrong? > > > > I have major doubt regarding to my findbyprimarykey() method > > overiding..... > > > > what i have done was right? > > > > > > > > Can some one point me in right direction? > > > > > > > > Thanks in advance > > > > phani > > > > > > > > ----- Original Message ----- > > > > From: Ashwani Kalra <[EMAIL PROTECTED]> > > > > To: <[EMAIL PROTECTED]> > > > > Sent: Monday, June 24, 2002 1:42 PM > > > > Subject: Re: Need some examples > > > > > > > > > > > > > You need primary key class when there are more than one > > field(composite > > > > > key). Check your deployment descriptor. For the > > <prim-key-class> > > element. > > > > > ----- Original Message ----- > > > > > From: "phani" <[EMAIL PROTECTED]> > > > > > To: <[EMAIL PROTECTED]> > > > > > Sent: Monday, June 24, 2002 1:35 PM > > > > > Subject: Re: Need some examples > > > > > > > > > > > > > > > > Hi vellosa, > > > > > > Thanks for the info. > > > > > > > > > > > > I checked the sample dir. But I have read that the > > entity bean > > > > > > must > > > > > require > > > > > > an Primary key class. > > > > > > But i don't find any primary key class in the > > > > > > samples/examples/ejb/basic/beanManaged > > > > > > I have account.java(Remote) accountHome.java(Home) > > accountBean.java(EJB) > > > > > and > > > > > > client.java but where is Primary Key class. > > > > > > > > > > > > Thanks for the help > > > > > > phani > > > > > > > > > > > > ----- Original Message ----- > > > > > > From: <[EMAIL PROTECTED]> > > > > > > To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> > > > > > > Sent: Monday, June 24, 2002 1:24 PM > > > > > > Subject: Re: Need some examples > > > > > > > > > > > > > > > > > > > Hi Phani, > > > > > > > > > > > > > > I am using WebLogic 6.1 and there in the directory: > > > > > > > > > > > > > > C:\bea\wlserver6.1\samples\examples > > > > > > > > > > > > > > I have a whole set of examples for everything you > > could ever > > > > > > > need > > to > > > > do > > > > > on > > > > > > WebLogic, well quite a bit anyway. There are examples > > of EJB 1.1 > > > > > > and > > 2.0 > > > > > > BMP, CMP and even Message Driven Beans. I'm sure you must have > > something > > > > > > similar under your 6.0 instalation? > > > > > > > > > > > > > > Regards > > > > > > > IV > > > > > > > > > > > > > > > > > > > > > > > > > > > > > from: phani <[EMAIL PROTECTED]> > > > > > > > > date: Mon, 24 Jun 2002 08:41:58 > > > > > > > > to: [EMAIL PROTECTED] > > > > > > > > subject: Re: Need some examples > > > > > > > > > > > > > > > > Hi, > > > > > > > > I am new bie to ejb and i am messed with > > deploying entity > > beans on > > > > > > WL6.0 > > > > > > > > > > > > > > > > I need some basic examples for entity beans > > (both cmp and > > bmp) > > > > > > specific to weblogic 6.0 so that i can deploy and run without > > > > > > any modifications. > > > > > > > > > > > > > > > > Are there any examples available with WL6.0 specific xml > > > > > > > > files? I searched the web but no luck. > > > > > > > > > > > > > > > > Thanks for any help > > > > > > > > phani > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > http://www.amazon.co.uk/exec/obidos/redirect-home?tag=vellosco > > uk-21&placemen > > > > > > t=home_multi.gif&site=amazon > > > > > > > > > > > > > > > > > > > > > > > ============================================================== > > ============= > > > > > > To unsubscribe, send email to [EMAIL PROTECTED] > > and include > > > > > > in > > the > > > > > body > > > > > > of the message "signoff EJB-INTEREST". For general > > help, send > > > > > > email > > to > > > > > > [EMAIL PROTECTED] and include in the body of the message > > > > > > "help". > > > > > > > > > > > > > > > > > > > > > > ============================================================== > > ============= > > > > > To unsubscribe, send email to [EMAIL PROTECTED] and > > include in > > > > > the > > > > body > > > > > of the message "signoff EJB-INTEREST". For general help, send > > > > > email > > to > > > > > [EMAIL PROTECTED] and include in the body of the message > > > > > "help". > > > > > > > > > > ============================================================== > > ============= > > > > To unsubscribe, send email to [EMAIL PROTECTED] and > > include in > > > > the > > body > > > > of the message "signoff EJB-INTEREST". For general help, > > send email > > > > to [EMAIL PROTECTED] and include in the body of the message > > > > "help". > > > > > > > > > > > > > > > > > > http://www.amazon.co.uk/exec/obidos/redirect-home?tag=vellosco > uk-21&placemen > t=home_multi.gif&site=amazon > > ======================================================================== > === > To unsubscribe, send email to [EMAIL PROTECTED] and include in the > body of the message "signoff EJB-INTEREST". For general help, send > email to [EMAIL PROTECTED] and include in the body of the message > "help". > > =========================================================================== > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff EJB-INTEREST". For general help, send email to > [EMAIL PROTECTED] and include in the body of the message "help". =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff EJB-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
