How can I write maven build to add resources to classpath

Question

I am building a jar using maven with simple maven install  If I add a file to src main resources it can be found on the classpath but it has a config folder where I want that file to go but moving it inside the config folder makes it disappear from the classpath

User · Accepted Answer

If you place anything in src main resources directory  then by default it will end up in your final   jar  If you are referencing it from some other project and it cannot be found on a classpath  then you did one of those two mistakes      jar is not correctly loaded  maybe typo in the path   you are not addressing the resource correctly  for instance   src main resources conf settings properties is seen on classpath as classpath conf settings properties

User · Answer

A cleaner alternative of putting your config file into a subfolder of src main resources would be to enhance your classpath locations  This is extremely easy to do with Maven   For instance  place your property file in a new folder src main config  and add the following to your pom       lt build gt       lt resources gt           lt resource gt               lt directory gt src main config lt  directory gt           lt  resource gt       lt  resources gt    lt  build gt    From now  every files files under src main config is considered as part of your classpath  note that you can exclude some of them from the final jar if needed  just add in the build section        lt plugins gt           lt plugin gt               lt groupId gt org apache maven plugins lt  groupId gt               lt artifactId gt maven-jar-plugin lt  artifactId gt               lt configuration gt                   lt excludes gt                       lt exclude gt my-config properties lt  exclude gt                   lt  excludes gt               lt  configuration gt           lt  plugin gt       lt  plugins gt    so that my-config properties can be found in your classpath when you run your app from your IDE  but will remain external from your jar in your final distribution

User · Answer

By default maven does not include any files from  src main java     You have two possible way to that    put all your resource files  different than java files  to  src main resources  - this is highly recommended   Add to your pom  resource plugin          lt resources gt          lt resource gt              lt directory gt src main resources lt  directory gt           lt  resource gt               lt resource gt                   lt directory gt src main java lt  directory gt                   lt includes gt                       lt include gt      xml lt  include gt                   lt  includes gt               lt  resource gt     lt  resources gt

[java] How can I write maven build to add resources to classpath?

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