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BEA Weblogic Interview Questions & Answers

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BEA Weblogic Interview Questions & Answers

BEA WebLogic Server is an enterprise-ready Java EE application server that supports the deployment of mission-critical applications in a robust, secure, highly available, and scalable environment. WebLogic Server is an ideal foundation for building applications based on Service Oriented Architectures (SOA). BEA had three major product lines: Tuxedo - transaction-oriented middleware platform. BEA Weblogic, now Oracle Weblogic Server - Java EE enterprise infrastructure platform. AquaLogic, now Oracle Service Bus - Service-Oriented Architecture (SOA) platform.

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How do I do HTTP tunneling?
0.3 Rating
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Which of the following is NOT true about deploying EJBs in the WebLogic Server?
a. The weblogic/config/examples/applications directory acts as an automatic deployment directory for EJB 2.0 .jar files and EJB .jar deployment directories
b. The automatic redeployment feature of the WebLogic Server can only redeploy an EJB's implementation classes, you cannot redeploy an EJB's public interfaces
c. Before deploying a packaged jar file containing uncompiled EJB classes and interfaces, we have to use weblogic.ejbc on the packaged .jar file to generate WebLogic Server container classes.
0.2 Rating
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Why do I get "NoClassDefFound"/"Too Many Open files"messages on Solaris?
Problem: When I am using WebLogic Server on Solaris and try to run my application, I get a "NoClassDefFound" error, although the class causing the error does exist and is in the right directory. In fact, there are other classes in the same directory that are getting loaded. I also get a "Too many open files" error.
0.3 Rating
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Why did my JDBC code throw a rollback SQLException?
Your JDBC code may throw the following exception:
"The coordinator has rolled back the transaction.
No further JDBC access is allowed within this transaction."
0.3 Rating
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Is it possible to send or receive a message from within a message listener?
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Which of the following are valid relationships between JMS objects in the WebLogic Server?
a. A single JMS store can support multiple JMS servers.
b. Multiple consumers may consume from the same queue, but multiple producers may not send to the same queue.
c. Multiple JMS Servers may exist on one WebLogic 6.0 server.
d. A JMS Server can be deployed on only one server.
0.2 Rating
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Does WebLogic JMS support clustering?
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A stateful session bean implementing the SessionSynchronization interface is deployed on the WebLogic server. Which of the following callback methods may be invoked on the bean?
a. beforeBegin
b. afterBegin
c. beforeCompletion
d. afterCompletion
0.3 Rating
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How do I call Oracle stored procedures that take no parameters?
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I tried to run two of the applets in the examples directory of the distribution. I installed the WebLogic classes on my local machine (NT server) and on another machine (a Windows 95 client). I am not using any browsers, just trying to run the applets with Appletviewer. The applets work fine when I run Appletviewer from the NT server, but do not work at all from the Windows 95 client.
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How do I use persistence?
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Which XML parser comes with WebLogic Server 6.1?
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Can two JMS servers share the same persistent store?
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Why it is necessary to run out of resources during updates with Oracle's database link?
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Why do I run out of resources during updates with Oracle's database link?
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Must EJBs be homogeneously deployed across a cluster? Why?
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Where path is the path to your Oracle installation. When you ping your database using the two-tier utils.dbping utility, the JDBC driver loads the database client library and establishes the connection to the database. When you use the multitier utils.t3dbping utility, the WebLogic Server loads a two-tier driver and uses it to establish a database connection. In both cases, the same method is used to connect to the database. SQL*PLUS works because it doesn't require ORACLE_home to find the client libraries.
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Why getting an exception when trying to find a connection factory?
0.3 Rating
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How to set up CLASSPATH in BEAWeblogic?
0.3 Rating
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Java-CORBA integration: RMI-IIOP or Java IDL?
0.2 Rating
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Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal



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