package ca-certificates-java 20170930 failed to install/upgrade: installed ca-certificates-java package post-installation script subprocess returned error exit status 127

[Kiro minak]

Im using Ubuntu Bionic beaver is that also might be the problem???

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: ca-certificates-java 20170930
ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
Date: Sat Feb 24 16:05:41 2018
DuplicateSignature:
 package:ca-certificates-java:20170930
 Setting up ca-certificates-java (20170930) ...
 /var/lib/dpkg/info/ca-certificates-java.postinst: line 56: java: command not found
 dpkg: error processing package ca-certificates-java (--configure):
  installed ca-certificates-java package post-installation script subprocess returned error exit status 127
ErrorMessage: installed ca-certificates-java package post-installation script subprocess returned error exit status 127
InstallationDate: Installed on 2018-02-24 (0 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180224)
PackageArchitecture: all
Python3Details: /usr/bin/python3.6, Python 3.6.4+, python3-minimal, 3.6.4-1
PythonDetails: /root/Error: command ['which', 'python'] failed with exit code 1:, Error: [Errno 2] No such file or directory: "/root/Error: command ['which', 'python'] failed with exit code 1:": "/root/Error: command ['which', 'python'] failed with exit code 1:", unpackaged
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu1
 apt 1.6~alpha7ubuntu2
SourcePackage: ca-certificates-java
Title: package ca-certificates-java 20170930 failed to install/upgrade: installed ca-certificates-java package post-installation script subprocess returned error exit status 127
UpgradeStatus: No upgrade log present (probably fresh install)

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1748776, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.