We just moved to VMs and while deploying we are having issues in Java Environment. The error is Error Create Config Bucket failed. during VmCreateConfigBucket.
Then tried all the steps in the Google Page - deploying to Production. Nothing seems to work. (https://cloud.google.com/appengine/docs/managed-vms/sdk)
Then We manually tried to create the buckets in Google Console. Retried our deployement but got the same error.
DETAILED Error message in the LOG :: Unable to update:
java.lang.RuntimeException: Fatal problem encountered during deployment. Please refer to the logs for more information.
at com.google.appengine.tools.admin.AppVersionUpload.isServing(AppVersionUpload.java:900)
at com.google.appengine.tools.admin.AppVersionUpload.access$100(AppVersionUpload.java:41)
at com.google.appengine.tools.admin.AppVersionUpload$2.call(AppVersionUpload.java:779)
at com.google.appengine.tools.admin.AppVersionUpload$2.call(AppVersionUpload.java:776)
at com.google.appengine.tools.admin.AppVersionUpload.retryWithBackoff(AppVersionUpload.java:1029)
at com.google.appengine.tools.admin.AppVersionUpload.commit(AppVersionUpload.java:776)