Universal Messaging offer a wide range of functionality in the areas of Scheduling, Triggers, Clustering, Peer-to-Peer, Realm Federation, Joins, JMS, Pub / Sub.
This server gets configured as a web server by making use of HTTP listener for supporting the HTTP. Web servers like that of Apache, Netscape and Microsoft are utilized. The configuration of a web server allows WebLogic is capable of.
Bandwidth gets wasted in the case of continues DNS requests to that of unavailable machine at the time of server failure. This problem usually occurs during the time of startup associated with the application that of client side.
20. How can you solve the issue of server crash? A crash associated with JVM is capable of generating hs_err_pid file. You need to refer this file for finding out the root cause for such a crash.
1. Explain deployment descriptors? Deployment descriptors are associated with almost all the modules as well as applications. The deployment descriptors can be seen in the form of XML documents and they are capable of describing the contents that are part.
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23. Define memory leak? Memory leak is the condition that arises when the objects get retained in the heap even after they have no use. 24. What causes the condition OUT OF MEMORY?
WebSphere MQ provides periodic fixes for release 7.0. The following is a complete listing of available and scheduled fixes for Version 7.0 with the most.
T3 can be considered as a superset associated with java object. T3 is mandated between WebLogic servers, programmatic clients and cluster associated with WebLogic server. The protocols HTTP and IIOP are made used for enabling communication between WebLogic server and.
T3 provides enhancements support for the messages of WebLogic server. The enhancements comprise of the object replacement, the working of the seblogic server clusters and also HTTP. T3 also performs serialization of java object and also predation of RMI.
Operating system is another factor that helps in choosing the certified JDK JVM. 4. Explain the methods for providing user credentials for starting the server? At the time of the creation of domain, the wizard for setting configuration asks for.
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J2EE specifications usually define the standard as well as the deployment descriptors which are portable for J2EE applications and modules. 2. What is web. xml? Web. xml is an XML document that is mainly for application purpose and it helps.
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The servers that are unavailable are removed by searching DNS entries provided by WebLogic server. This removal prevents the clients from accessing failed servers. A third party load balancers are made used for avoiding the unnecessary DNS requests.
Change the config. xml of domain for using the JRockit javac. exe. Remove any kind of switches specific to Sun JVM from start scripts of server. 13. How clients handle the DNS requests to the failed servers?
If the condition has aroused because of HTTP session, then it will be automatically solved when the session gets time out. You should also verify the code associated with the handling of jdbc connectivity.
19. What are the causes for server crash? The major reasons for the occurrence of server crash are the native IO, JVM, supported configuration, JDBC driver issues and SSL native libraries.
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IIOP is a kind of protocol helpful in enabling the communication between WebLogic server and object request broker. 11. How do stubs function inside WebLogic server cluster at the time of failure?
List of the instances available with the server inside cluster gets periodically refreshment and allows in acquiring advantages associated with new servers. The advantages are gained as the server gets added to the cluster.
Occurrence of memory leak inside the application code. The prevention of occurrence of full GC because of JVM bug. 25. How can the OUT OF MEMORY be solved? There is a possibility for collecting the memory data after enabling GC.
Stubs perform the process of removing the failed instance from the list whenever there is a failure. The stub usually makes use of DNS for finding the running server and also for obtaining the list of the instances that are.
15. How can classpath be set? Classpath can be set by making use of the following script WL_d (in case of windows). 16. Explain the functioning of Stub? Stub is usually expected by the people who connect to the WebLogic.
14. Explain the functionality of T3 associated with WebLogic server? T3 is capable of providing framework or overall structure for the messages that are capable of supporting the enhancements. The enhancements comprises of product tunneling, working in the context associated.
17. What are the steps for the creation of Pooling within Tomcat server? The first step involved in this process of creating pooling is to download 3 jar files which are the commons-dbcp-1.2 jar, commons-pool-1.3.jar and commons-collections-3.1 jar.
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The next step is to make an entry inside server. xml of tomcat factory. 18. How can you differentiate server crash and server hang? With a server crash, there is no existence for the Java process and if it is.
Some of the third party load balancers are BigIP, resonate, local director and Alteon. The main function of these third party loads balancers is to mask multiple addresses of DNS in to a single one.
7. What are the capabilities of WebLogic server? There are various capabilities associated with WebLogic server and they are. Changes in dynamic configuration. Production application redeployment Rolling upgrades. 8. Explain about the function associated with T3 in WebLogic server?