Using JNDI to connect LDAP directory : pb of reconnection

Hi everybody !
I really need our help.
I work with java servlets and i try to connect a LDAP directory with JNDI.
When i launch my application, and when LDAP server is ready, connection is done, i get data from ldap, everything is ok.
But when ldap server fails down, and startup, (my application doesn't stop), i can't connect again to ldap (ldap connext is not null). I get an error "Connection reset by peer, socket write error".
I can't connect, even if i put my context null, and build another context, to get ldap data.
Maybe its a problem of servlet programmation, or JNDI use, i don't know.
Any ideas ?? Thanks you so much for your help !
Here i give my code, to build ldap context (which is equivalent to a connection to ldap) :
_env = new Hashtable();
env.put(Context.INITIALCONTEXT_FACTORY,"com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.PROVIDERURL, "ldap://"+_ldapIPAddress+"/o=netcentrex");
//securite
env.put(Context.SECURITYAUTHENTICATION, "simple");
env.put(Context.SECURITYPRINCIPAL, "cn=admin, o=div");
env.put(Context.SECURITYCREDENTIALS, "admin");
try
ldapCtx = new InitialDirContext(env);
catch(NamingException e)
System.out.println("ConnectionLdap : Cannot get directory context for LDAP");

Sorry, no need to reply !!
I've found my error (3 days i am searching, and its a stupid null ldap address) !!!

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Message was edited by:
Ameya Pimpalgaonkar
Message was edited by:
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What you need to do is get your developers to conform to a database naming standard, as stated above, so if you have an oracle database that is for eBusiness Suite you get all developers to create a DB connection in JDev called, ora_esb as an example.
When the developer creates a DB adapter this will create a JNDI name of eis/DB/ora_ebs. When the BPEL project is deployed it looks for the JNDI name in the oc4j-ra.xml file to see its connection details. If they don't exist then they use the developers connection details. The issue with this is that they generally always point to the development DB. It is best practice for the developers to remove the mcf settings in the DB adapter WSDL. This way if the JNDI name has not been configured it will fail.
So when you migrate from dev-test-prod what you have is the JNDI name eis/DB/ora_ebs. The dev points to the dev instance of ebs, test points to the test instance and so on. This means that you don't need to adjust any code in the BPEL projects.
cheers
James

Integrating Flat File data to LDAP Directory using sunopsis driver

Hello
I need to import data from a csv file into a LDAP Directory.
In order to acheive this, i used Demo physical and logical File data server (called FILE_GENERIC) and set up a new LDAP data server using tutorial "Oracle Data Integrator Driver for LDAP - User's Manual".
I can manually see and update data on both file and LDAP datastores.
The fact is that i cannot manage to import/update data from the file to the LDAP directory through a dedicated interface.
The issue do, i think, come from the PK/FK used by sunopsis relational model to represent the directory.
LDAP DN is represented by a set of two table representing in my example the organizational units in one hand and the persons in the other hands, linking them through FK in persons to auto-generated PK in organization units. My person table also have a auto generated PK. All the directory datastore tables have been reversed through ODI.
In my interface, i always use my cn as update key.
I first tried not to map the person PK in the interface, letting the driver generating it for me (or mapping a null PK). I then catch in operator a message like: " null : java.sql.SQLException: Try to insert null into a non-nullable column".
Anyway, the first row is created in the directory and a new PK is given into ODI datastore. Curiously, this is not as i would presume the last PK value + 1.
There are some kinds of gaps in the ID sequences.
I even tried checking the "tolerated error" into the IKM step called "Insert new row". I'm using IKM shipped with ODI :"IKM SQL Incremental Update". The sequence is finished in operator but due, i guess, to the catched error, the other rows are not processed. (Anyway i shouldn't have to tolerate errors)
I tried after to put not used custom PK values into my file, then map the PK column to the LDAP datastore PK column without much success: Only one row is processed. Futhermore, the id of the PK in the datastore is different of the one I put in the file.
I finally tried to generate PK values through SQL instructions by creating new steps in the IKM modul but that did not worked much.
I really do not see any other ideas to either have the driver construct new PK at insert/update or to make him ignore the null PK problem and process all the rows.
If anyone do have an idea about it, please share...
Greetings,
Adrien

Hi,
I am facing an issue who is probably the same.
using ODI 10.1.3.5, I can't insert new rows into my openLDAP.
One of the point I see is that the execution take the LDAP server for staging area and want to create I$ table into it, so the data are already imported into the ldap Server.
thanks for any help.

Using JNDI to connect LDAP directory : pb of reconnection

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