OOPS concepts in Java

OOPS concepts in Java OOPS concepts in Java: Object oriented programming  is a methodology in which programs are created by using classes and Objects. Principles/Features ·       Abstraction          Encapsulation          Inheritance          Polymorphism   Abstraction: Mechanism of hiding the implementation complexity. Key is to simplify a complex design into smaller parts. Abstraction in java can be achieved using Abstract classes. Read Abstract class in java Encapsulation: Mechanism of binding both data members and member methods in the same class. Encapsulation in java can b achieved using Abstract classes and Interfaces. Read Interface in java Uses: Provides...

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java.lang.NoSuchMethodError: javax.xml.ws.WebFault.messageName()Ljava/lang/String

java.lang.NoSuchMethodError java.lang.NoSuchMethodError: javax.xml.ws.WebFault.messageName()Ljava/lang/String java.lang.NoSuchMethodError: javax.xml.ws.WebFault.messageName()Ljava/lang/String If you trying to use JAX-WS 2.2 on top of JDK 6, you run into classloading problems.  The reason could be using JAX-WS 2.1 on JDK 6.  JDK 6 (U4 and later) has JAX-WS implementation with JAX-WS 2.1 API.  If you try to use JAX-WS 2.2, the runtime always picks up the JAX-WS API from boot clasloader and will not see JAX-WS 2.2 API in your classpath.  Well, the solution is the same, i.e, using the endorsed overriding mechanism. That I will explain in this post how to do that set up, and resolving the error  "java.lang.NoSuchMethodError:javax.xml.ws.WebFault.messageName()Ljava/lang/String" ...

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How to handle JAX-WS Exceptions and Faults

How to handle JAX-WS Exceptions and Faults How to handle JAX-WS Exceptions and Faults This post will  discusses the JAX-WS mapping of WSDL faults to Java exceptions,  Java exceptions to WSDL faults. To unserstand the concept of handling faults and exceptions in webservices, you should have a basic knowledge on how to create JAX-WS web services and clients. You may find the following posts helpful. Creating SOAP Web Services using JAX-WS Testing the SOAP web services using SOAP UI Tools required: 1. Eclipse 2. Tomcat 6 or above version 3. Java 1.6 or above verson. What is  JAX-WS Fault Handing and Exception Handling: The JAX-WS Specification demands that mapped exception must be annotated with a javax.xml.ws.WebFault (@WebFault) annotation. A wsdl:fault element...

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