Spring read map from properties file

Active 2 years, 9 months ago. Viewed 24k times. Community Bot 1 1 1 silver badge. Add a comment. Active Oldest Votes. Where to write properties file name? Just ensure application. NullPointerException is probably from empty ApplicationProperties. Example: path-mapper. What the prefix? You can use prefix custom. This values need to be added in application. Looks another answer same with your advice — gstackoverflow. You use app.

How should I use it? Show 7 more comments. For example, given two properties files a. The override ordering depends on the order these classes are registered with the application context. In case your properties file is optional and you don't want exception to be thrown if it doesn't exist you can use ignoreResourceNotFound attribute and set it as true.

Default is false. If you want to load test. If you have any doubt or any suggestions to make please drop a comment. Posted by Anshudeep. Labels: Spring framework. Note that org. PropertySourcesPlaceholderConfigurer is used from Spring framework 5.

PropertyPlaceholderConfigurer class was used which is deprecated from Spring 5. For example there is a app. Notice how org. Environment is injected and that object is used to get properties. If app. If no default is specified and a property cannot be resolved, an IllegalArgumentException is thrown. You can also use PropertySources container annotation that aggregates several PropertySource annotations.