change path

build.gradle

@@ -41,8 +41,7 @@ java {
 
 jar {
   doFirst {
-    def versionPath = "/resources/main/version.json"
-    def versionFile = new File(project.buildDir.toString() + versionPath)
+    def versionFile = new File("${projectDir}/src/main/resources/version.json")
     def details = versionDetails()
     def versionInfo = [
       branchName: details.branchName,