About URL connection

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Manual
6

Server User List

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
Tutorial
6

Step 4: Add a Servlet Class [2011-05-02]

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
Tutorial
6

Step 4: Add a Servlet Class

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
Tutorial
6

Step 4: Add a Servlet Class [2011-05-02]

{ // 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
Tutorial
6

Step 4: Add a Servlet Class

, 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
JDO Doc
6

getConnectionURL()

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
Forum
6

EntityManagerFactory Fails To Swtich Over To Slave When Master Is Unavailable

, 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
Tutorial
6

Step 2: Entity Class and Persistence Unit

="javax.persistence.jdbc.url" value="$objectdb/db/guests.odb"/>
Tutorial
6

Step 2: Entity Class and Persistence Unit

Manual
6

JPA Persistence Unit

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