Vineet Manohar's blog

This article shows how to copy multiple properties from one bean to another with a single line of code, even if the property names in the source and target beans are different. Copying properties from one bean is quite common especially if you are working with a lot of POJOs, for example working with JAXB [...]

This post shows how to call any static method from EL. You can also pass arguments to the method.

How to pass multiple parameters in an EL function, in 3 simple steps.

A script which automatically detects that tomcat has crashed and restarts it.

This tutorial outlines steps required to install Nexus (Maven Repository Manager) under Tomcat, or another webapp container. It shows you practical configuration and includes code snippets that go in your pom.xml and settings.xml in order to read and publish artifacts to Nexus server.

This article shows 2 ways to convert Java Map to String. Approach 1: simple, lightweight – produces query string like output, but restrictive. Approach 2: uses Java XML bean serialization, more robust but produces overly verbose output. Approach 1: Map to query string format Approach 1 converts a map to a query-string like output. Here’s [...]

Seam lets you specify navigation rules in the pages.xml file which can become very large for apps with many pages and transitions. Seam allows you to break this file into multiple small files. This allows you to easily manage large applications by creating multiple pages.xml files, typically one per page. This article describes how to create multiple pages.xml files in Seam 2.2.

Spring 2.5 classpath scan does not work on JBoss5 due to internal architecture changes in JBoss5. You may face this issue when migrating from JBoss4 to JBoss5. This article walks you through a simple fix, with code snippets.

When I tried migrating my JBoss 4.2 application which uses Spring to manage transactions, to JBoss 5.1, I got the following error message.

Specification violation [EJB3 JPA 6.2.1.2] – You have not defined a jta-data-source for a JTA enabled persistence context

This is a known issue and there are two known workarounds for this problem. See article for details.

If catalina.out becomes 2GB in size, tomcat crashes and fails to start without any error message. To avoid this scenario you should rotate the catalina.out frequently. This article describes how to setup auto rotation of catalina.out on a linux/unix machine.