eDocs Home > BEA WebLogic Server Documentation > WebLogic Server Frequently Asked Questions. WebLogic Server Frequently Asked Questions. Awesome Weblogic Interview questions to help you |How to access the Oracle WebLogic Server is J2EE Server (earlier known as BEA. BEA WebLogic Interview Questions and Answers. What is BEA Weblogic? BEA WebLogic is a J2EE application server and also an HTTP web server by BEA.
Oracle aerver Interview Questions. What Is Node Manager? Your JDBC code may throw the following exception: How Can Cluster Communication Occur? The deployment descriptors can be seen in the form of XML documents and they are capable of describing the contents that are part of directory or the jar file. Stage deployment is a kind of process in which the admin gets a physical copy which is distributed to the other instances.
WebLogic jDriver for Oracle always returns a Java object that preserves the precision of the data retrieved. Using topics, you create your temporary topic and subscribe to that temporary topic. This condition creates much complexity associated with the method compared to unicast. Beginning with WebLogic Server version 6. A production domain uses full weblobic and may use clusters or other advanced features.
We often see BSU when using weblogic. Each requests that waits for a connection ties up one of the fixed number of execute threads in the server, which could otherwise be running another server task.
The reason the create and find methods are not polymorphic is similar to the reason constructors are not polymorphic in Java. This facility enables an application to process messages concurrently.
Your email address will not be published. The fundamental problem is too few resources database connections in eba connection pool for the work load.
The rollback may have happened in an earlier EJB invoke that was part of the transaction, or the rollback may have occurred because the transaction timed servr.
This file is available for reference during the time of booting so that in ingerview absence of this file, system can prompt the user for the purpose of entering credentials. Start WebLogic Server with the -ms32m option to increase the allocation, as in this example:. In this case, the violation is that an applet cannot open a socket to a machine other than the one from which it loaded the applet. Because there is no niterview precision, the Java type to return is determined based on the actual value in each row, and this may vary from row to row.
Must EJBs be homogeneously deployed across a cluster? What Is The Admin Server? Can we start a Managed Server if the Administration Server is unavailable?
BEA WebLogic Server Interview Questions & Answers
You use development mode while you are developing your applications. Survey Most Productive year for Staffing: Stub is usually expected by the people who connect to the WebLogic server cluster.
It is independent of all other Managed servers in a domain unless they are not in a cluster. There are two method of clustering Horizontal and Vertical. If you have an MDB deployed on one node but reference a destination on another node, the deployment may fail with a javax.
Close any open resources, like database connections b. If there are no servers left in its list, the stub uses DNS again to find a running server and obtain a current list of running instances.
The EJB Specification prohibits this behavior, and the weblogic. Ways to get a thread dump: A new boot — identity file can be created if you want to change the use credentials or else if you are having the requirement of creating domain in the production mode.
Top 50 WebLogic Interview Questions & Answers
Enter the New Permission of send or receive. Read This Tips for writing resume in slowdown What do employers look for in a resume? If the condition has aroused because of HTTP session, then it will be automatically solved when the session gets time out.
The availability of the new server in the cluster is broadcasted by the WebLogic server — cluster. Write your own interfaces using JNI. Destination keys are used to define the sort order for a specific destination. The information thus retrieved cannot be altered and it is possible only when the administration server is really available.
If EJBs are not deployed on all servers, cross server calls are much more likely. Then click on queztions of the servers in the list. WebLogic Administration Interview Questions. A cluster is part of a particular WebLogic Server domain. No special options are needed.
You can define multiple destination keys to sort a destination.