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33

EntityManagerFactory Fails To Swtich Over To Slave When Master Is Unavailable

: 499.5 7.) Also, if I start both servers, and change the URL to connect only to the slave, I ... ; which generates the following exception below. What am I doing wrong? It appears the connection manager fails to try the second URL in the list: objectdb://10.9.2.15:9998//10.9.2.15:9999/test.odb;user=admin
32

Invalid/Missing licence when connecting, however correct licence is definitely present

Invalid/Missing licence when connecting, however correct licence is definitely present
6

JPA Persistence Unit

> <properties> <property name="javax.persistence.jdbc.url" value="objectdb ... elements specify general properties. JPA 2 defines standard properties for specifying database url
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Step 2: Entity Class and Persistence Unit

.objectdb.jpa.Provider</provider> <properties> <property name="javax.persistence.jdbc.url ... database url. The next step is adding an EJB Session Bean that will manage Guest entity objects.
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Step 6: Set the Spring XML

> </servlet> <servlet-mapping> <servlet-name>spring</servlet-name> <url-pattern>*.html</url-pattern> </servlet-mapping> <session-config> <session-timeout> 30
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Step 6: Set the Spring XML

-mapping> <servlet-name>spring</servlet-name> <url-pattern>*.html</url-pattern> </servlet
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Step 1: Install BIRT and ObjectDB Driver

> Install New Software... In the [Work with] field enter the BIRT update site url. http://download.eclipse ... > Install New Software... In the [Work with] field enter the ObjectDB update site url: http://www
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Step 2: Entity Class and Persistence Unit

="javax.persistence.jdbc.url" value="$objectdb/db/guests.odb"/> <property name="javax.persistence ... provider with the specified database url. The next step is adding an EJB Session Bean that will manage Guest entity objects.
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Step 2: Entity Class and Persistence Unit

</provider> <properties> <property name="javax.persistence.jdbc.url" value="$objectdb/db ... > </persistence> Now ObjectDB should be used as a JPA provider with the specified database url
1

Step 2: Entity Class and Persistence Unit

</class> <properties> <property name="javax.persistence.jdbc.url" value="$objectdb/db/guests ... > </persistence> Now ObjectDB should be used as a JPA provider with the specified database url. The next step

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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