I am trying to build with MAVEN the project thats located at
https://github.com/jamesagnew/hapi-fhir. I am trying the build in windows using JDK 1.8 and Maven 3.3.9. i have failure as below. am i missing anything?
[INFO] --- buildnumber-maven-plugin:1.4:create (standard) @ hapi-fhir-base ---
[INFO] Executing: cmd.exe /X /C "git rev-parse --verify HEAD"
[INFO] Working directory: C:\hapi-fhir\hapi-fhir-master\hapi-fhir-base
[INFO] Storing buildNumber: null at timestamp: 1560190520069
[WARNING] Cannot get the branch information from the git repository:
Detecting the current branch failed: fatal: Not a git repository (or any of the parent directories): .git
[INFO] Executing: cmd.exe /X /C "git rev-parse --verify HEAD"
[INFO] Working directory: C:\hapi-fhir\hapi-fhir-master\hapi-fhir-base
[INFO] Storing buildScmBranch: UNKNOWN_BRANCH
[INFO]
[INFO] --- buildnumber-maven-plugin:1.4:create-metadata (downstream) @ hapi-fhir-base ---
[INFO] Executing: cmd.exe /X /C "git rev-parse --verify HEAD"
[INFO] Working directory: C:\hapi-fhir\hapi-fhir-master\hapi-fhir-base
[INFO] ------------------------------------------------------------------------
[INFO] HAPI FHIR - Core Library ........................... FAILURE [ 1.776 s]
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 6.889 s
[INFO] Finished at: 2019-06-10T13:15:21-05:00
[INFO] Final Memory: 59M/981M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:buildnumber-maven-plugin:1.4:create-metadata (downstream) on project hapi-fhir-base: Execution downstream of goal org.codehaus.mojo:buildnumber-maven-plugin:1.4:create-metadata failed. NullPointerException -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR]