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via Oracle Community by 807581, 1 year ago
Error in allocating a connection. Cause: Connection could not be allocated because: Communications link failure Last packet sent to the server was 0 ms ago.Error Code: 0
via Oracle Community by ptony, 1 year ago
Error in allocating a connection. Cause: Class name is wrong or classpath is not set for : com.mysql.jdbc.jdbc2.optional.MysqlDataSource Error Code: 0
via manning.com by Unknown author, 1 year ago
Error in allocating a connection. Cause: Connection could not be allocated because: java.net.Connect Exception : Error connecting to server localhost on port 1527 with message Connection refused: connect. Error Code: 0
via Oracle Community by 487675, 2 years ago
Error in allocating a connection. Cause: Connection could not be allocated because: java.net.ConnectException: Connection refused: connect。 Error Code: 0
via Google Groups by Kolszew, 8 months ago
Error in allocating a connection. Cause: Error instantiating class : org.firebirdsql.jdbc.FBDataSourceError Code: 0
via GitHub by glassfishrobot
, 1 year ago
Error in allocating a connection. Cause: Connection could not be alloca ted because: java.security.PrivilegedActionException : Error opening socket to server localhost on port 1527 with message : nullError Code: 0
java.sql.SQLException: Error in allocating a connection. Cause: Connection could not be allocated because: Communications link failure
Last packet sent to the server was 0 ms ago.Error Code: 0	at oracle.toplink.essentials.exceptions.DatabaseException.sqlException(DatabaseException.java:289)	at oracle.toplink.essentials.jndi.JNDIConnector.connect(JNDIConnector.java:135)	at oracle.toplink.essentials.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:170)	at oracle.toplink.essentials.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:537)	at oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:180)	at oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:230)	at oracle.toplink.essentials.internal.ejb.cmp3.base.EntityManagerFactoryImpl.getServerSession(EntityManagerFactoryImpl.java:78)	at oracle.toplink.essentials.internal.ejb.cmp3.base.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:113)	at oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:84)	at com.sun.enterprise.util.EntityManagerWrapper._getDelegate(EntityManagerWrapper.java:166)	at com.sun.enterprise.util.EntityManagerWrapper.createQuery(EntityManagerWrapper.java:271)	at com.ixisoft.test.CustomerManagerBean.getMyCustomer(CustomerManagerBean.java:47)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:585)	at com.sun.enterprise.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1050)	at com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:165)	at com.sun.ejb.containers.BaseContainer.invokeTargetBeanMethod(BaseContainer.java:2766)	at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:3847)