JBoss Enterprise Application Platform Common Criteria Certification ...

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4 0 Chapter 6. The JNDI Naming Service Figure 6.4 . The JMX Console view of the configured JBoss MBeans Selecting the JNDIView link takes you to the JNDIView MBean view, which will have a list of the JNDIView MBean operations. This view should look similar to that shown in Figure 6.5, “The JMX Console view of the JNDIView MBean”. Figure 6.5. The JMX Console view of the JNDIView MBean The list operation dumps out the JBoss server JNDI namespace as an HTML page using a simple text view. As an example, invoking the list operation produces the view shown in Figure 6.6, “The JMX Console view of the JNDIView list operation output”.
JBoss Enterprise Application Platform Common Criteria Certification 5 Administration And Configuration Guide 4 1 Figure 6.6. The JMX Console view of the JNDIView list operation output 6.6. J2EE and JNDI - The Application Component Environment JNDI is a fundamental aspect of the J2EE specifications. One key usage is the isolation of J2EE component code from the environment in which the code is deployed. Use of the application component's environment allows the application component to be customized without the need to access or change the application component's source code. The application component environment is referred to as the ENC, the enterprise naming context. It is the responsibility of the application component container to make an ENC available to the container components in the form of JNDI Context. The ENC is utilized by the participants involved in the life cycle of a J2EE component in the following ways. Application component business logic should be coded to access information from its ENC. The component provider uses the standard deployment descriptor for the component to specify the required ENC entries. The entries are declarations of the information and resources the component requires at runtime. The container provides tools that allow a deployer of a component to map the ENC references made by the component developer to the deployment environment entity that satisfies the reference. The component deployer utilizes the container tools to ready a component for final deployment. The component container uses the deployment package information to build the complete component ENC at runtime The complete specification regarding the use of JNDI in the J2EE platform can be found in section 5 of the J2EE 1.4 specification. An application component instance locates the ENC using the JNDI API. An application component instance creates a javax.naming.InitialContext object by using the no argument constructor and then looks up the naming environment under the name java:comp/env. The application component's environment entries are stored directly in the ENC, or in its subcontexts. Example 6.4, “ENC access sample code” illustrates the prototypical lines of code a component uses to access its ENC. Example 6.4 . ENC access sample code // Obtain the application component's ENC Context iniCtx = new InitialContext(); Context compEnv = (Context) iniCtx.lookup("java:comp/env");
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JBoss Enterprise Application Platfo
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** * Annotation for specifying the
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that have not completed after a spe
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Oracle 10g: org.hibernate.dialect.O
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That's it; that's all it takes to g
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Application Platform ships with a d
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ean. By default true, since replica
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a different physical host. If not a
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deployment (war, ear, jar, whatever
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The available attributes in the FD
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import org.jboss.ha.cachemanager.Ca
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Example A.10. Sybase Datasource [ 1
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Example A.25. PostgreSQL XA Datasou
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Example B.2. Filtering App1 Log Out
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