Java buildpack error while creating offline buildpack

[riddhichheda03]

Hi ,
I am trying to get 1 Java buildpack offline, but facing below error :
$ sudo bundle exec rake clean package OFFLINE=true PINNED=true
Pinning groovy version to 2.4.10
Pinning spring_boot_cli version to 1.5.17_RELEASE
Pinning tomcat version to 8.5.34
Pinning lifecycle_support version to 3.2.0_RELEASE
Pinning logging_support version to 3.2.0_RELEASE
Pinning access_logging_support version to 3.2.0_RELEASE
Pinning redis_store version to 1.3.6_RELEASE
[DownloadCache] WARN Request failure 1, retrying after 5s. Failure: 401
{
"errors" : [ {
"status" : 401,
"message" : "Unauthorized"
} ]
}
[DownloadCache] WARN Request failure 2, retrying after 10s. Failure: 401
{
"errors" : [ {
"status" : 401,
"message" : "Unauthorized"
} ]
}
[DownloadCache] WARN Unable to download https://repo.spring.io/ext-release-local/geode-store/index.yml into cache build/staging/resources/cache: 401
{
"errors" : [ {
"status" : 401,
"message" : "Unauthorized"
} ]
}
rake aborted!
Unable to find cached file for https://repo.spring.io/ext-release-local/geode-store/index.yml
/workspace/javab4161/gitjabab/java-buildpack/lib/java_buildpack/util/cache/download_cache.rb:79:in get' /workspace/javab4161/gitjabab/java-buildpack/rakelib/dependency_cache_task.rb:176:in get_from_cache'
/workspace/javab4161/gitjabab/java-buildpack/rakelib/dependency_cache_task.rb:168:in block (2 levels) in uris' /workspace/javab4161/gitjabab/java-buildpack/rakelib/dependency_cache_task.rb:166:in each'
/workspace/javab4161/gitjabab/java-buildpack/rakelib/dependency_cache_task.rb:166:in block in uris' /workspace/javab4161/gitjabab/java-buildpack/rakelib/dependency_cache_task.rb:165:in each'
/workspace/javab4161/gitjabab/java-buildpack/rakelib/dependency_cache_task.rb:165:in uris' /workspace/javab4161/gitjabab/java-buildpack/rakelib/dependency_cache_task.rb:46:in initialize'
/workspace/javab4161/gitjabab/java-buildpack/Rakefile:42:in new' /workspace/javab4161/gitjabab/java-buildpack/Rakefile:42:in <top (required)>'
/var/lib/gems/2.3.0/gems/rake-12.3.1/exe/rake:27:in `<top (required)>'
(See full trace by running task with --trace)

Could you please suggest a solution or workaround?
Thanks.