Error in allocating a connection.
hi
i am using netbeans 5.5 to develop. My program contains an session bean which access entity class to put some data in postgresql.
while deploying, i got this error eventhough i placed corresponding jar file in domains/domain1/lib/ext. can anyone help me?
Internal Exception: java.sql.SQLException: Error in allocating a connection. Cause: org.postgresql.DriverError Code: 0at oracle.toplink.essentials.exceptions.DatabaseException.sqlException(DatabaseExc eption.java:289)at oracle.toplink.essentials.jndi.JNDIConnector.connect(JNDIConnector.java:135)at oracle.toplink.essentials.sessions.DatasourceLogin.connectToDatasource(Datasour ceLogin.java:167)at oracle.toplink.essentials.internal.sessions.DatabaseSessionImpl.loginAndDetectD atasource(DatabaseSessionImpl.java:537)at oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider.login(EntityMan agerFactoryProvider.java:193)at oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider.createContainer EntityManagerFactory(EntityManagerFactoryProvider.java:168)at com.sun.jdo.spi.persistence.support.ejb.ejbc.PersistenceProcessor.loadPersisten ceUnitBundle(PersistenceProcessor.java:457)at com.sun.jdo.spi.persistence.support.ejb.ejbc.PersistenceProcessor.generateDDLFi les(PersistenceProcessor.java:286)at com.sun.jdo.spi.persistence.support.ejb.ejbc.PersistenceProcessor.processAppBun dle(PersistenceProcessor.java:176)at com.sun.jdo.spi.persistence.support.ejb.ejbc.PersistenceProcessor.processApplic ation(PersistenceProcessor.java:118)at com.sun.jdo.spi.persistence.support.ejb.ejbc.DeploymentEventListenerImpl.proces sApplication(DeploymentEventListenerImpl.java:193)at com.sun.jdo.spi.persistence.support.ejb.ejbc.DeploymentEventListenerImpl.proces sEvent(DeploymentEventListenerImpl.java:152)at com.sun.jdo.spi.persistence.support.ejb.ejbc.DeploymentEventListenerImpl.notify DeploymentEvent(DeploymentEventListenerImpl.java:109)at com.sun.enterprise.deployment.backend.DeploymentEventManager.notifyDeploymentEv ent(DeploymentEventManager.java:66)at com.sun.enterprise.deployment.backend.AppDeployer.postDeploy(AppDeployer.java:4 29)at com.sun.enterprise.deployment.backend.AppDeployer.deploy(AppDeployer.java:225)at com.sun.enterprise.deployment.backend.AppDeployer.doRequestFinish(AppDeployer.j ava:129)at com.sun.enterprise.deployment.phasing.J2EECPhase.runPhase(J2EECPhase.java:169)at com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase(DeploymentPh ase.java:95)at com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases(PEDeplo ymentService.java:871)at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentSe rvice.java:266)at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentSe rvice.java:739)at com.sun.enterprise.management.deploy.DeployThread.deploy(DeployThread.java:174)at com.sun.enterprise.management.deploy.DeployThread.run(DeployThread.java:210)
