How to add an extra source directory for maven to compile and include in the build jar

Question

In addition to the src main java  I am adding a src bootstrap directory that I want to include in my build process  in other words  I want maven to compile and include the sources there in my build  How

User · Accepted Answer

You can use the Build Helper Plugin  e g   lt project gt           lt build gt       lt plugins gt         lt plugin gt           lt groupId gt org codehaus mojo lt  groupId gt           lt artifactId gt build-helper-maven-plugin lt  artifactId gt           lt version gt 3 2 0 lt  version gt           lt executions gt             lt execution gt               lt id gt add-source lt  id gt               lt phase gt generate-sources lt  phase gt               lt goals gt                 lt goal gt add-source lt  goal gt               lt  goals gt               lt configuration gt                 lt sources gt                   lt source gt some directory lt  source gt                                     lt  sources gt               lt  configuration gt             lt  execution gt           lt  executions gt         lt  plugin gt       lt  plugins gt     lt  build gt   lt  project gt

User · Answer

With recent Maven versions  3  and recent version of the maven compiler plugin  3 7 0   I notice that adding a source folder with the build-helper-maven-plugin is not required if the folder that contains the source code to add in the build is located in the target folder or a subfolder of it  It seems that the compiler maven plugin compiles any java source code located inside this folder whatever the directory that contains them  For example having some  generated or no  source code in target a  target generated-source foo will be compiled and added in the outputDirectory   target classes

User · Answer

You can add the directories for your build process like               lt resources gt        lt resource gt          lt directory gt src bootstrap lt  directory gt        lt  resource gt      lt  resources gt           The src main java is the default path which is not needed to be mentioned in the pom xml

User · Answer

http   maven apache org guides mini guide-using-one-source-directory html   lt build gt   lt sourceDirectory gt    src main java lt  sourceDirectory gt    also see  Maven compile with multiple src directories

User · Answer

NOTE  This solution will just move the java source files to the target classes directory and will not compile the sources     Update the pom xml as -   lt project gt                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       lt  project gt

[java] How to add an extra source directory for maven to compile and include in the build jar?

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