Program: 10545
Project: 10545
Buggy source:
private void promoteApk(AndroidPublisherExtension publisherExtension){
  try {
    AndroidPublisher service=AndroidPublisherHelper.init(publisherExtension.getApplicationName(),publisherExtension.getServiceAccountEmail(),publisherExtension.getServiceAccountKeyFile());
    final Edits edits=service.edits();
    Insert editRequest=edits.insert(publisherExtension.getPackageName(),null);
    AppEdit edit=editRequest.execute();
    final String editId=edit.getId();
    getLogger().info(String.format("String_Node_Str",editId));
    Tracks.List list=edits.tracks().list(publisherExtension.getPackageName(),editId);
    List<Track> tracks=list.execute().getTracks();
    Track sourceTrack=null;
    Track destinationTrack=null;
    for (    Track track : tracks) {
      if (track.getTrack().equals(publisherExtension.getTrack()))       sourceTrack=track;
 else       if (track.getTrack().equals(publisherExtension.getPromotionTrack()))       destinationTrack=track;
    }
    if (sourceTrack == null || destinationTrack == null) {
      throw new InvalidUserDataException(String.format("String_Node_Str",publisherExtension.getTrack(),publisherExtension.getPromotionTrack()));
    }
    if (sourceTrack.getVersionCodes().size() == 0) {
      throw new InvalidUserDataException(String.format("String_Node_Str",sourceTrack.getVersionCodes()));
    }
    getLogger().info("String_Node_Str",sourceTrack.getTrack(),sourceTrack.getVersionCodes());
    getLogger().info("String_Node_Str",destinationTrack.getTrack(),destinationTrack.getVersionCodes());
    Integer versionCode=Collections.max(sourceTrack.getVersionCodes());
    List<Integer> sourceVersionCodes=sourceTrack.getVersionCodes();
    sourceVersionCodes.remove(versionCode);
    sourceTrack.setVersionCodes(sourceVersionCodes);
    List<Integer> destinationVersionCodes=new ArrayList<Integer>();
    destinationVersionCodes.add(versionCode);
    destinationTrack.setVersionCodes(destinationVersionCodes);
    getLogger().info("String_Node_Str",versionCode);
    Update sourceUpdateRequest=edits.tracks().update(publisherExtension.getPackageName(),editId,sourceTrack.getTrack(),sourceTrack);
    sourceUpdateRequest.execute();
    getLogger().info(String.format("String_Node_Str",sourceTrack.getTrack()));
    Update destinationUpdateRequest=edits.tracks().update(publisherExtension.getPackageName(),editId,destinationTrack.getTrack(),destinationTrack);
    getLogger().info(String.format("String_Node_Str",destinationTrack.getTrack()));
    destinationUpdateRequest.execute();
    Commit commitRequest=edits.commit(publisherExtension.getPackageName(),editId);
    AppEdit appEdit=commitRequest.execute();
    getLogger().info(String.format("String_Node_Str",appEdit.getId()));
    getLogger().lifecycle("String_Node_Str",versionCode,sourceTrack.getTrack(),destinationTrack.getTrack());
  }
 catch (  IOException e) {
    throw new InvalidUserDataException(String.format("String_Node_Str",publisherExtension.getTrack(),publisherExtension.getPromotionTrack(),e.getMessage()),e);
  }
catch (  GeneralSecurityException e) {
    throw new InvalidUserDataException(String.format("String_Node_Str",publisherExtension.getTrack(),publisherExtension.getPromotionTrack(),e.getMessage()),e);
  }
}

Fixed version (ground truth):
private void promoteApk(AndroidPublisherExtension publisherExtension){
  try {
    AndroidPublisher service=AndroidPublisherHelper.init(publisherExtension.getApplicationName(),publisherExtension.getServiceAccountEmail(),publisherExtension.getServiceAccountKeyFile());
    final Edits edits=service.edits();
    Insert editRequest=edits.insert(publisherExtension.getPackageName(),null);
    AppEdit edit=editRequest.execute();
    final String editId=edit.getId();
    getLogger().info("String_Node_Str",editId);
    Tracks.Get get=edits.tracks().get(publisherExtension.getPackageName(),editId,publisherExtension.getTrack());
    Track sourceTrack=get.execute();
    if (sourceTrack == null) {
      throw new InvalidUserDataException(String.format("String_Node_Str",publisherExtension.getTrack()));
    }
    if (sourceTrack.getVersionCodes().size() == 0) {
      throw new InvalidUserDataException(String.format("String_Node_Str",sourceTrack.getVersionCodes()));
    }
    getLogger().info("String_Node_Str",sourceTrack.getTrack(),sourceTrack.getVersionCodes());
    getLogger().info("String_Node_Str",publisherExtension.getPromotionTrack());
    Integer versionCode=Collections.max(sourceTrack.getVersionCodes());
    List<Integer> sourceVersionCodes=sourceTrack.getVersionCodes();
    sourceVersionCodes.remove((Object)versionCode);
    sourceTrack.setVersionCodes(sourceVersionCodes);
    List<Integer> destinationVersionCodes=new ArrayList<Integer>();
    destinationVersionCodes.add(versionCode);
    Track destinationTrack=new Track();
    destinationTrack.setTrack(publisherExtension.getPromotionTrack());
    destinationTrack.setVersionCodes(destinationVersionCodes);
    getLogger().info("String_Node_Str",versionCode);
    Update sourceUpdateRequest=edits.tracks().update(publisherExtension.getPackageName(),editId,sourceTrack.getTrack(),sourceTrack);
    sourceUpdateRequest.execute();
    getLogger().info("String_Node_Str",sourceTrack.getTrack());
    Update destinationUpdateRequest=edits.tracks().update(publisherExtension.getPackageName(),editId,destinationTrack.getTrack(),destinationTrack);
    getLogger().info("String_Node_Str",destinationTrack.getTrack());
    destinationUpdateRequest.execute();
    Commit commitRequest=edits.commit(publisherExtension.getPackageName(),editId);
    AppEdit appEdit=commitRequest.execute();
    getLogger().info("String_Node_Str",appEdit.getId());
    getLogger().lifecycle("String_Node_Str",versionCode,sourceTrack.getTrack(),destinationTrack.getTrack());
  }
 catch (  IOException e) {
    throw new InvalidUserDataException(String.format("String_Node_Str",publisherExtension.getTrack(),publisherExtension.getPromotionTrack(),e.getMessage()),e);
  }
catch (  GeneralSecurityException e) {
    throw new InvalidUserDataException(String.format("String_Node_Str",publisherExtension.getTrack(),publisherExtension.getPromotionTrack(),e.getMessage()),e);
  }
}