Getting Started with WebSphere Application Server

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214 Getting Started with WebSphere Application Server Community Edition 5. Use following Steps to use a created JMS resource group in Web application 6. C 7. A 8. B 9. A 10. D - Add the created JMS resource group component as a dependency in section of WEB-INF/geronimo-web.xml. - Define the JMS resource mapping in WEB-INF/web.xml. - Use JNDI lookup or Resource injection in Servlet to use the JMS resource. Chapter 7 – Web services 1. No. Community Edition is a Java EE 5.0 compliant application server, so there is no difference to develop a SEI and its implement class with others. 2. Community Edition has a built-in plugin named jaxws-tools which based on wsgen and wsimport tools, we can use that to generate stubs and import them into client project. 3. Download axis2 v1.3 and import its lib into eclipse’s build path. 4. Use the and tag in the standard Java EE deployment descriptor of web project “WEB-INF/web.xml”. 5. Data Web Services refer to the ability to wrap Web services around the logic provided by the database 6. C 7. A 8. D 9. E All of the above 10. B Data development project Chapter 8 – Security 1. Security Realm, a concept of Community Edition, which is actually a user registry definition, containing users and groups which can map to Java EE roles used to protect resources. 2. In general, access to a secured Java EE resource results in a request against the user registry to validate the presented credentials (user ID/password). The user registry by itself does not enforce any security policies or constraints (authorization). It simply validates the supplied user, group, and password
Appendix A – Solutions to review questions 215 information by the Java EE authentication mechanisms. Role-based security allows the developer to secure access to Java EE resources based on roles. Often the developer has no knowledge of the users and groups that will exist at runtime, so how does the developer refer to the set of users and groups that should have access to a specific artifact? The answer is through roles. Java EE allows the developer to define an arbitrary set of roles and to restrict access to artifacts based on these roles. Later, the developer (or an administrator) can map these roles to actual users and groups. 3. Java EE has two forms of role-based security: Declarative security, where the security constraints limiting access are defined in the deployment descriptors and the Java EE runtime is the mechanism that manages access to the Java EE artifact. Consider this as coarse-grained security, where the user will see all or none of the resource. Programmatic security, where the user code queries if a user is in a role, and then executes different statements depending on whether the user is in the role or not. Consider this as fine-grained security, where the user might only see a subset of the resource depending on his role. 4. In Community Edition’s web console, select Security -> Users and Groups. 5. A Java EE (three-tiered) application using Community Edition and DB2 will improve its security and performance when using trusted contexts because the user ID's are always preserved for security, and auditing, they are not "lost" behind the database user ID used by Community Edition to connect to the database (as it would without trusted contexts). In addition, performance is improved because by using trusted contexts, each user ID does not need to create a new database connection. 6. C 7. E 8. A, D 9. B 10. E Chapter 9 – Administering 1. Use the following steps to start the Community Edition server on Linux platform: - Change the current directory into /bin, - Run startup.sh. 2. To override all the default port numbers, one can change the PortOffset parameter in /var/config/configsubstitutions.properties. 3. Use following Steps to add a library to the server repository:
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G E T T I N G S T A R T E D W I T H
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Notices This information was develo
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Trademarks IBM, the IBM logo, and i
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3.8 Exercises .....................
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9.3.2 Changing port numbers .......
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13 Preface Keeping your skills curr
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The DB2 on Campus book series 15
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18 Getting Started with WebSphere A
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1 Chapter 1 - Introduction to WebSp
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Introduction to WebSphere Applicati
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Chapter 4 - Working with databases
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textMessage.getText()); } catch (JM
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PART III - ADMINISTERING COMMUNITY
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