J'ai créer un EJB Entity à partir d'une BD Oracle, puis j'ai lui associé un EJB session et lors du déployement de ce dernier j'ai eu ce message d'erreur qui vient apparemment de la connexion définie dans data-sources.xml sachant que j'ai une data-source avec le nom Conn. S'il vous est ce qu'il existe quelqu'un qui peut m'aider?
Voici le message lors du déploiement:

[EJB 3.0]: Assigning default-data-source=jdbc/ConnDS, specified in projects EJB 3.0 properties
[Starting OC4J using the following ports: HTTP=8988, RMI=23891, JMS=9227.]
C:\Documents and Settings\ihassairi\Bureau\jdevstudio10132\jdev\system\oracle.j2ee.10.1.3.40.66\embedded-oc4j\config>
"C:\Documents and Settings\ihassairi\Bureau\jdevstudio10132\jdk\bin\javaw.exe" -client "-Doracle.home=C:\Documents and Settings\ihassairi\Bureau\jdevstudio10132" -classpath "C:\Documents and Settings\ihassairi\Bureau\jdevstudio10132\j2ee\home\oc4j.jar;C:\Documents and Settings\ihassairi\Bureau\jdevstudio10132\jdev\lib\jdev-oc4j-embedded.jar" -Dhttp.proxyHost=192.168.10.3 -Dhttp.proxyPort=808 -Dhttp.nonProxyHosts=localhost|127.0.0.1|ptami118 -Dhttps.proxyHost=192.168.10.3 -Dhttps.proxyPort=808 -Dhttps.nonProxyHosts=localhost|127.0.0.1|ptami118 -Xverify:none -XX:MaxPermSize=256m -DcheckForUpdates=adminClientOnly -Doracle.application.environment=development -Doracle.j2ee.dont.use.memory.archive=true -Doracle.j2ee.http.socket.timeout=500 -Doc4j.jms.usePersistenceLockFiles=false oracle.oc4j.loader.boot.BootStrap -config "C:\Documents and Settings\ihassairi\Bureau\jdevstudio10132\jdev\system\oracle.j2ee.10.1.3.40.66\embedded-oc4j\config\server.xml"
[waiting for the server to complete its initialization...]
10 mai 2007 10:54:05 com.evermind.server.XMLDataSourcesConfig parseRootNode
INFO: Legacy datasource detected...attempting to convert to new syntax.
10 mai 2007 10:54:05 com.evermind.server.XMLDataSourcesConfig addManagedDataSource
ATTENTION: Multiple data sources are defined to be registered in JNDI at location: jdbc/Conn. Only the last one encountered will be registered. Please correct data-sources.xml.
10 mai 2007 10:54:05 com.evermind.server.XMLDataSourcesConfig addManagedDataSource
ATTENTION: Multiple data sources are defined to be registered in JNDI at location: jdbc/Conn2. Only the last one encountered will be registered. Please correct data-sources.xml.
10 mai 2007 10:54:07 com.evermind.server.jms.JMSMessages log
INFO: JMSServer[]: OC4J JMS server recovering transactions (commit 0) (rollback 0) (prepared 0).
10 mai 2007 10:54:07 com.evermind.server.jms.JMSMessages log
INFO: JMSServer[]: OC4J JMS server recovering local transactions Queue[jms/Oc4jJmsExceptionQueue].
10 mai 2007 10:54:11 com.evermind.server.ejb.logging.EJBMessages logException
GRAVE: [current-workspace-app] Une erreur s'est produite lors du déploiement du module EJB : com.evermind.server.ejb.exception.DeploymentException: [current-workspace-app:HRApp_EJB_Project_0] - Impossible de résoudre la source de données : jdbc/ConnDS
com.evermind.server.ejb.exception.DeploymentException: [current-workspace-app:HRApp_EJB_Project_0] - Impossible de résoudre la source de données : jdbc/ConnDS
at com.evermind.server.ejb.exception.DeploymentException.unableToResolveDataSource(DeploymentException.java:116)
at com.evermind.server.ejb.persistence.PersistenceUnitInfoImpl.getDataSource(PersistenceUnitInfoImpl.java:114)
at com.evermind.server.ejb.persistence.PersistenceUnitInfoImpl.initialize(PersistenceUnitInfoImpl.java:79)
at com.evermind.server.ejb.persistence.PersistenceUnitManagerImpl.initializePersistenceUnit(PersistenceUnitManagerImpl.java:158)
at com.evermind.server.ejb.persistence.PersistenceUnitManagerImpl.initialize(PersistenceUnitManagerImpl.java:86)
at com.evermind.server.ejb.EJBPackageDeployment.initializePersistenceUnitManager(EJBPackageDeployment.java:1022)
at com.evermind.server.ejb.EJBContainer.postInit(EJBContainer.java:845)
at com.evermind.server.ApplicationStateRunning.initializeApplication(ApplicationStateRunning.java:217)
at com.evermind.server.Application.setConfig(Application.java:439)
at com.evermind.server.Application.setConfig(Application.java:340)
at com.evermind.server.ApplicationServer.addApplication(ApplicationServer.java:1853)
at com.evermind.server.ApplicationServer.initializeDeployedApplications(ApplicationServer.java:1608)
at com.evermind.server.ApplicationServer.setConfig(ApplicationServer.java:990)
at com.evermind.server.ApplicationServerLauncher.run(ApplicationServerLauncher.java:131)
at java.lang.Thread.run(Thread.java:595)
Caused by: javax.naming.NameNotFoundException: jdbc/ConnDS not found
at com.evermind.server.rmi.RMIServerContext.lookup(RMIServerContext.java:207)
at com.evermind.server.ApplicationContext.unprivileged_lookup(ApplicationContext.java:255)
at com.evermind.server.ApplicationContext.lookup(ApplicationContext.java:195)
at com.evermind.server.ejb.persistence.PersistenceUnitInfoImpl.getDataSource(PersistenceUnitInfoImpl.java:112)
... 13 more
07/05/10 10:54:11 ATTENTION: Application.setConfig Application: current-workspace-app is in failed state as initialization failed.
java.lang.InstantiationException: Error initializing ejb-modules: [current-workspace-app:HRApp_EJB_Project_0] - Impossible de résoudre la source de données : jdbc/ConnDS
10 mai 2007 10:54:11 com.evermind.server.ServerMessages warningApplicationInitializationFailed
ATTENTION: Exception lors de l'initialisation de l'application déployée : current-workspace-app. Application: current-workspace-app is in failed state as initialization failed
Ready message received from Oc4jNotifier.
Embedded OC4J startup time: 14751 ms.
07/05/10 10:54:15 Oracle Containers for J2EE 10g (10.1.3.1.1) initialized
Process exited.