pack build error, Installing JDK

[fomin-zhu]

run shell:
pack build myapp --builder cnbs/sample-builder:bionic

error:
===> BUILDING
[builder] ---> Java buildpack
[builder] ---> Installing JDK
[builder]
[builder] gzip: stdin: unexpected end of file
[builder] tar: Child returned status 1
[builder] tar: Error is not recoverable: exiting now
[builder] ERROR: failed to build: exit status 2
ERROR: failed to build: executing lifecycle. This may be the result of using an untrusted builder: failed with status code: 145