Adding Groups To OpenLdap
This article describes how to setup an OpenLdap server and add inetperson user objects. However, the article didn’t describe how to add groups to OpenLdap and add users to the groups.
Websphere v6.x Classloaders
Building on the ideas introduced in the last article, a J2EE Application servers classloaders are explored in this installment. In particular, Websphere Application Server v.6.x Classloaders are introduced. The J2EE Spec provides some guidance regarding J2EE Application Servers, but as with so many…
JEE 6 Draft Proposal Is Available For Public Review
Check out JSR 316 and this article. There is also a Slashdot.org thread on the subject.
Java Virtual Machine Classloaders
Classloaders are responsible for finding and loading classes that are requested in Java code executed inside a Java Virtual Machine. Classloader-related issues are among the most difficult to troubleshoot in the Java/J2EE technology stack.
JAAS Authentication — An Introduction
This article introduces JAAS authentication via a relatively simple example. The example presented here is based upon the Sun tutorial of the same subject. The thinkmiddleware.com example extends the tutorial to use LDAP to authenticate users.
An Openldap Directory Server
The recent JNDI article and an upcoming JAAS article require an LDAP server. This tutorial will walk through the basic details of reproducing the Openldap Server used in these two articles.
JNDI — Java Naming & Directory Interface
While researching an upcoming JAAS article, the decision was made to use JNDI to interact with the Openldap server that was stored user information. JNDI is used extensively in the J2EE landscape; so, exploring JNDI separately from JAAS seemed in order.
Java Security — The Low-Level details To J2EE Security–And, Beyond
While researching details for a Java Security Manager article, it became obvious that I didn’t understand the mappings of all the different Java, security-related specifications to the technologies and acronyms I knew. Thus, was the beginning of this article. Below each security-related feature in…
EJB vs. Web Services
This article is by no means an exhaustive discussion on the subject of Web Services and EJBs. But, I have often found many of the points I bring up here missing from meaningful debate. Researching this article also gave me an opportunity to go over material I've been wanting to read for a while now.
Performance Tuning In Industry
IT Professionals face an up hill battle in the realm of performance tuning. First, management must be convinced that time needs to be set aside for it. Next, the skill sets to successfully move through the performance tuning life cycle must be present. Then, the tools to effectively identify issues…
Part 2: Custom Client-Server Java Application That CommunicatesOver A Mutually Authenticated SSL (MASSL) Connection
This is the second of a two-part series discussing Java and Mutually Authenticated SSL. This will gave you a taste of how a J2EE container is communicating (over SSL or MASSL) behind the scenes.
Achieving highly available HTTP database session persistence spanning multiple cells with Websphere v6.1
Websphere can provide HTTP Session data replication across multiple clusters and cells by using database session persistence.