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Caching Made Easy with Spring
Spring 3.1 introduced a new and simply way to cache results. In this article we will see how we can use the new Spring caching within our projects in order to avoid repeating task for which outcome was...
View ArticleHow to Refer to Static Fields within Spring XML Configuration
When configuring Spring through XML, you can use static fields in a similar way you use instances defined in the same XML or elsewhere. This is possible by using the util namespace as highlighted...
View ArticleUnable to locate Spring NamespaceHandler for XML schema namespace...
Error The web application fails to start due to the following error org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Unable to locate Spring...
View ArticleHow to make @RequestParam Optional
A @RequestParam can be set as optional by simply providing a default value to it as shown in the following example @Controller public class MyController { @RequestMapping(value = "/myApp", method = {...
View ArticleTransactions with JdbcTemplate
Spring provides a simple API to work with SQL called JdbcTemplate (JavaDoc). This is a very popular class as it simplifies the code when dealing with databases. The JdbcTemplate does not provide...
View ArticleHow to mock the @Value properties during tests
Spring allows you to provide an instance of PropertySourcesPlaceholderConfigurer which will be used to populate the values of the fields annotated with @Value(). /** * Creates the mock properties that...
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Handle InterruptedExceptions with JdbcTemplate
Spring JdbcTemplate (Java Doc) provides a centralised way to handle errors while accessing the underlying database. Say that a duplicate key error occurs while adding a new record into the database,...
View ArticleHow to get Auto-Generated Key with JdbcTemplate
Spring provides GeneratedKeyHolder (Java Doc) class which can be used to retrieve the auto generated values. All code listed below is available at:...
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