Enterprise Technologies

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Enterprise Technologies

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LEFT JOIN FETCH - trouble understanding it

Hi,I've been reading the JPA spec lately and have come across a trouble understanding how LEFT JOIN FETCH is supposed to work.Let's assume I have two entities - Person and Project. Let's assume that there's a @ManyToMany association between Person and Project where the attribute - projects ...

0 answers | 1543 bytes |

Leave the Messages (POP3)

Hi all.As we know when using POP3 to retrive messages ,the messages is removed .Is it possible to configure a POP3 client to leave the email messages on the server ?Thanks.......

3 answers | 210 bytes |

Leave session open

HiAnybody know how can I leave the session open after retriving the messages from POP3 ?this is my codeThanks Collection mensajesAL = new ArrayList(); Properties props = System.getProperties(); Session session = Session.getDefaultInstance(props,null); try ...

1 answers | 1180 bytes |

lease help me, I'd need to create XForms binding-exception with XHTML page

Hello,is anyone here who could help me?I've spent plenty of hours by searching the correct and suitable way for creating a binding exception in XForms, but I did not succeed...My situation is: I've got an XHTML page with XForms and XML (input) file, which describes this page. Whenewer I ...

0 answers | 1504 bytes |

Learning Web Services with J2EE

Hi: I've been developing in J2EE for 3 years now, using Servlets/JSP/Tag Libraries etc.... I want to find a good source (book) that teaches you web services with J2EE, does anyone recommend any good starters to advance books for Web Services.Thank youGoce ...

2 answers | 291 bytes |

Learning Web Services

Hi everybody , I want to get the web services certificate , but is hard to find articles, books wich explain everything starting from basics, anyone can help me to give the first step to learn web services ?Thanks....

1 answers | 228 bytes |

learning javamail package..

Hi guys,i'm new of jsf and servlets and i'm trying to learn developing an application.Now i want create a section in which a user click a botton and a mail with his password is send to his email.This data are stored in User(password and email).How can i send an email with this password at ...

1 answers | 578 bytes |

Learning J2EE

Dear Friends,Myself vismay shah, i know java-servets and now i am trying to learn j2ee technology. i have downloaded j2ee sdk, jdk, tomcat server and related technologies. i know there are java.sun.com site for better help. but i need some basic examples to learn the same as well as to ...

1 answers | 512 bytes |

Learning EJB: stuck with CMP; EJB-QL error

I am trying to create a simple CMP entity bean (no relationships or anything)that will access an existing table in an Oracle database.I've used the "capture-schema" tool and it generated a ".dbschema" file.I've got this .dbschema in the Jar file for the entity bean.My Home class defines a ...

3 answers | 732 bytes |

Learning EJB

Hi, AllI want to learn EJB, but got a question.Should I learn EJB first and then JSP or get JSP under the belt first ?Thx for help. ...

1 answers | 166 bytes |

Leak memory in xerces DomParser

Hey,I have " leak memory " in my Java application (Stand alone).I suspect that this leak caused by xerces DomParser.i reached to this conculsion after using in Jprobe as a memory debuger.Does any one has a similar problem?Thank you.code:DOMParser parser = new DOMParser();...parser.parse(new ...

0 answers | 507 bytes |

LDAP y EJB

I need to access a LDAP Directory to read and write things. What is thebest option Bean Manage Enterprise Bean or Session Bean? -How can i find a collection of things? Which is the best option: a find metthod or a business methods? ...

1 answers | 252 bytes |