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[Vladimir Petko <1818631@xxxxxxxxxxxxxxxxxx>]

Unable to reproduce using the docker script provided. 
The issue affects qemu, rather than ca-certificates-java


** Changed in: ca-certificates-java (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1818631

Title:
  SIGSEGV (core dump) java -Xmx64m -jar $JAR -storepass "$storepass"

Status in ca-certificates-java package in Ubuntu:
  Invalid

Bug description:
  ## Environment

  OS version: Ubuntu arm64-bionic
    I am using below ubuntu container.
    https://hub.docker.com/r/multiarch/ubuntu-debootstrap/tags/
  ca-certificates-java: 20180516ubuntu1~18.04.1

  
  ```
  $ uname -a
  Linux 4e7245866a0e 4.15.0-1026-gcp #27~16.04.1-Ubuntu SMP Fri Dec 7 09:59:47 UTC 2018 aarch64 aarch64 aarch64 GNU/Linux
  ```

  ## How to reproduce

  I created reproducer script.
  https://github.com/junaruga/ubuntu-arm-java-sigsegv/blob/master/.travis.yml
  The actual result. You can see the core dump here.
  https://travis-ci.org/junaruga/ubuntu-arm-java-sigsegv/builds/501915248#L469-L492

  
  ```
  $ git clone https://github.com/junaruga/ubuntu-arm-java-sigsegv.git
  ``

  Then run Travis CI on your repository,

  or run below commands

  ```
  $ docker run --rm --privileged multiarch/qemu-user-static:register --reset
  $ docker build --rm -t sample -f Dockerfile-arm64 .
  ```

  or run below commands on your ARM (arm64) environment

  ```
  # apt-get update && apt-get install -y ca-certificates-java
  ```

  
  Below result is shown randomly with around 30%.
  When trying 3 times, succeeded 2 times, failed 1 time on my impression.

  
  ```
  ...
  Setting up ca-certificates-java (20180516ubuntu1~18.04.1) ...
  /usr/bin/head: cannot open '/etc/ssl/certs/java/cacerts' for reading: No such file or directory
  #
  # A fatal error has been detected by the Java Runtime Environment:
  #
  #  SIGSEGV (0xb) at pc=0x00000040013c8dd8, pid=5827, tid=5831
  #
  # JRE version:  (10.0.2+13) (build )
  # Java VM: OpenJDK 64-Bit Server VM (10.0.2+13-Ubuntu-1ubuntu0.18.04.4, mixed mode, tiered, compressed oops, g1 gc, linux-aarch64)
  # Problematic frame:
  # V  [libjvm.so+0x898dd8]
  #
  # Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport %p %s %c %d %P" (or dumping to //core.5827)
  #
  # An error report file with more information is saved as:
  # //hs_err_pid5827.log
  #
  # If you would like to submit a bug report, please visit:
  #   http://bugreport.java.com/bugreport/crash.jsp
  #
  /var/lib/dpkg/info/ca-certificates-java.postinst: line 76:  5826 Done                    echo -e "-diginotar_root_ca\n-diginotar_root_ca_pem"
        5827 Aborted                 (core dumped) | java -Xmx64m -jar $JAR -storepass "$storepass"
  dpkg: error processing package ca-certificates-java (--configure):
   installed ca-certificates-java package post-installation script subprocess returned error exit status 134
  ```

  
  `default-jre` package installation is also failed for this issue.

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