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OpenNMS (Network Management)* Open Source Software in Java**
JavaRSS.com** JUDE - A Java/UML Object-Oriented Design Tool
Java Examples**  
Understanding JavaServer Pages Model 2 Architecture
Double-checked locking and the Singleton pattern [Another] [Another]
Java Message Service (JMS): Developing a Simple Example
Java and RMI: Serialization Client-Server Communication: XML-RPC in Java
Message-Driven Beans Java and XML: SOAP
<display> Tag Library ** Struts, an open-source MVC implementatione
Producing SAX2 Events Oracle JDBC Performance
XSLT Processing with Java Oracle SQLJ: Contexts and Multithreading
Java Examples: XML Java Performance Tuning: Object Creation
Mapping XML to Java, Part 1 Mapping XML to Java, Part 2
XSLT Processing with Java Web Server Java: Servlets and JSP
Enterprise Servlets and J2EE JSP: Generating Dynamic Content
The Servlet Life Cycle J2EE 1.2.1 Documentation
Servlet 2.2 and JSP 1.1 API Servlet 2.3 and JSP 1.2 API [Mirror]
Servlet 2.4 API JSP 2.0 API
J2EE 1.3 API J2EE 1.4 API
Java API Documentation** Java JDK 1.4.x Documentation
Java & Internet Glossary Java JDK 1.3.x Documentation
Introduction to Threading Java JDK 1.2.x Documentation
Java Distributing Objects Java JDK 1.1.x Documentation
Java2 Enterprise Tutorials Developing Your First Enterprise Beans
Java I/O: Network Streams Network Programming: Sockets for Servers
Java 2D: Painting and Stroking Fundamentals of Java Servlets
JDBC: Persistence Database Access Through JDBC
Using Swing Components Java and XML: Web-Publishing Frameworks
The Java Tutorial Creating HelpSet Data and Navigation Files
Java Application Security Java Cryptography: Authentication
JMK: Make in Java
Java Cryptography Architecture
The Java Platform Gamelan Java Directory
Basic Jini Programming
Programming the CICS Java Component
Java Corner Cafe au Lait Java FAQs, and Resources [Mirror]
JavaWorld Source Code of "Core Servlets & JSP"
JavaPro Java Report Online
Java and HTTPS - HTTPClient Java Community Process
PoolMan Object Pooler* Jetty - Java HTTP Server/Servlet Container
JavaSide.com Using Apache Tomcat 4
Java Network Programming FAQ Java Olympus
JESS - the Rule Engine for the Java JavaServer Faces (JSF) Center
Ostermiller.util Java Utilities  
The Jakarta Project** The home of Tomcat, Log4J, Ant, ......
Problem of the jConnect JDBC Driver by Sybase  In order to support scrollable cursors, jConnect caches the row data on the client - the entire result set is stored in the client memory!!!
The following is from the reference:
"jConnect uses the Tabular Data Stream (TDS)--the Sybase proprietary protocol--to communicate with Sybase database servers. As of jConnect 6.0, TDS does not support scrollable cursors. To support scrollable cursors, jConnect caches the row data on demand, on the client, on each call to ResultSet.next. However, when the end of the result set is reached, the entire result set is stored in the client memory. Because this may cause a performance strain, Sybase recommends that you use TYPE_SCROLL_INSENSITIVE result sets only when the result set is reasonably small"

 
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