 6 | a username and a password that have to be provided when the user connects to the server. The optional ip attribute, if specified, restricts the user to connect to the server only from the specified IP ... .0.0-192.18.194.255,127.0.0.1" allows connecting from any IP address in the range of 192.18.0.0 |
6 | ServletException, IOException {
// Obtain a database connection:
EntityManagerFactory ... {
// Close the database connection:
if (em.getTransaction().isActive ... connection) is constructed. If a new guest has registered (using a JSP form that is shown in |
6 | response)
throws ServletException, IOException {
// Obtain a database connection ... , response);
} finally {
// Close the database connection:
if (em ... (representing a database connection) is constructed. If a new guest has registered (using a JSP form |
6 | {
// Obtain a database connection:
EntityManagerFactory emf =
(EntityManagerFactory ... connection:
if (em.getTransaction().isActive())
em.getTransaction().rollback ... , and then an EntityManager (representing a database connection) is constructed. If a new guest |
6 | , IOException {
// Obtain a database connection:
EntityManagerFactory emf ... {
// Close the database connection:
if (em.getTransaction().isActive ... the application scope attribute, and then an EntityManager (representing a database connection |
6 | Method javax.jdo.PersistenceManagerFactory String getConnectionURL() Get the URL for the data store connection. Returns: the URL for the data store connection. Since: JDO 1.0 |
6 | , and change the URL to connect only to the slave, I get the following exception.
COUNT = 0
Failed ... exists as described. Switching urls works only when the initial connection is to the master server ... ; which generates the following exception below. What am I doing wrong? It appears the connection manager fails |
6 | ="javax.persistence.jdbc.url" value="$objectdb/db/guests.odb"/>
|
6 | |
6 | |