Category Archives: Enterprise Java

Enterprise Java and JEE

REST API Versioning: URI and Media Type-Header Versioning Strategies

What are the best strategies to implement REST API versioning? URI and Media Type-Header Versioning Strategies and Examples When considering REST API Versioning strategy , there are few different options available such as REST api URI versioning or Media Type Header versioning. As our Restful web services application grows and the need for API upgrades… Read More »

HATEOAS and Hypermedia Aware Services And Clients :REST

In this article we discuss HATEOAS (Hypermedia as the Engine of Application State) Rest constraint and some HATEOAS example and HATEOAS Json representations of embedded hypermedia.Jersey currently supports HATEOAS and Spring Rest-hateoas also provides rich support to buiild Hypermedia-Driven RESTful Web Services. Table of Contents What is HATEOAS? HATEOAS Tutorial and HATEOAS Example HATEOAS Example:… Read More »

How To Fix: PKIX Path Building Failed (Validation) : sun.security.validator.ValidatorException

How To Fix Error : sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target You could get the error “PKIX path building failed” validation error when working on a client that works with an SSL enabled server running in https protocol. This article focuses on detecting the root cause… Read More »

JAX-WS Exceptions and Faults: Annotation, Exception and Fault Handling Examples

JAX-WS exception and SOAP fault handling sometimes confuses a Java programmer. This article explains the handling of JAX-WS exceptions and SOAP Fault with examples. Here, we also check some of the common Exceptions such as “IllegalAnnotationExceptions. java.lang.StackTraceElement does not have a no-arg default constructor.“. This article also discusses the JAX-WS mapping of WSDL faults to… Read More »

How to Fix : java.security.cert.CertificateException: No name matching localhost found

How to Fix the exception ” java.security.cert.CertificateException: No name matching localhost found”, when client uses URL with “localhost” as host name to access some secure service over HTTPS? In this article we will check the root cause of the issue and will try two different solutions two fix the same. There are other similar issues… Read More »

Logging or Tracing Web Service XML Request/Response with JAX-WS

How to Log Request and Response With Java JAX-WS web-service Server and Client? We have discussed many examples to develop secure web services with JAX-WS API and using the Metro web service stack. We also discussed how to enable Message Transmission Optimization Mechanism (MTOM) to optimize the data transfer between services and clients. In our… Read More »

Secure Metro JAX-WS UsernameToken Web Service with Signature, Encryption and TLS (SSL)

Java Web Services Security: How to Secure JAX-WS UsernameToken Web Service with Signature, Encryption and TLS (SSL) Securing the data exchanged between web service producers and consumers is essential to ensure confidentiality, authenticity and integrity of critical business data. There are many approaches to implement Web Service Security (WSS) popularly called as WS-Security. WS-Security is… Read More »

JAX-WS Secure Web Services with Signatures and Encryption: WS-Security with Metro and WSIT

Java Web Services: Create Secure JAX-WS Metro Web Service Signed and Encrypted Using Public-Key Cryptography Asymmetric Encryption Security is the primary concern when web services exchange critical business data. WS-Security is an is an extension to SOAP to apply security to web services. It is one of the main part of WS-* specification from OASIS.… Read More »

JAX-WS and Secure Java Web Services using UsernameToken : WS-Security with Metro and WSIT

JAX-WS and Secure Java Web Services using UsernameToken: WS-Security with Metro and WSIT Example This tutorial focuses on creating secure JAX-WS web service with UsernameToken WS-Security profile by using Metro and WSIT. You will learn how to create , deploy and run JAX-WS UsernameToken web service security example and UsernameToken jax-ws client. We will also… Read More »

JAX-WS Attachment – Enable MTOM for JAX-WS Web services

JAX-WS with Attachment – MTOM , XOP and Java Web Service Example using JAX-WS In this MTOM JAX-WS tutorial, we discuss how to use MTOM (Message Transmission Optimization Mechanism) with JAX-WS Web Services. We also discuss the advantage of using MTOM with web services and how MTOM works with XOP and how the MIME attachments… Read More »